0

雅思大作文占分比例(精选20篇)

雅思作文通常给出一种现象,需要考生分析这种现象出现的原因,带来的影响或者提出解决的办法。下面小编为您搜集了雅思大作文占分比例,欢迎查看!

浏览

4096

作文

94

雅思写作低分的六大原因以及怎样改进方法

全文共 493 字

+ 加入清单

雅思考试中,写作部分要求考生在60分钟内完成两篇作文。第一篇是小作文,要求考生描述图表反映的内容和问题,字数为150个词以上:第二篇是大作文,要求考生根据题目要求写一篇议论文,字数为250个词以上。写作单项的满分为9分,采取半分制:写作部分的总分是小作文分数的1/3加上大作文分数的2/3。由于分值权重方面的原因,很多考生都高度重视大作文,却忽视了小作文的重要性。这主要表现为两种情况:一是考生平时很少练习小作文,导致其在20分钟内无法完成小作文,从而挤占了大作文的写作时间:二是由于比较看重大作文,一部分考生在考试的时候会选择先写大作文,并因过于谨慎仔细而占用了很多时间,最终导致没有时间完成小作文。这两种情况都会导致考生的写作成绩被拖后腿。

根据写作部分的计分权重来算,对于写作分数目标是5.5分的考生,一般来说有以下两种方案可选:

方案A:小作文5分,大作文6分,写作成绩=5.5分:方案B:小作文6分,大作文5分,写作成绩=5.5分。这两个方案殊途同归,但是因为大作文比小作文难拿到高分,因而方案B比较容易实现。这就意味着,写作分数目标是5.5分的考生应重点提高小作文的写作水平。

展开阅读全文

更多相似作文

篇1:雅思写作高分方法之要素分析法

全文共 917 字

+ 加入清单

对象要素法:每一个雅思写作题目都包括很多的要素,在我们准备这些雅思写作的时候,就可以从这些要素入手,逐一分析,这样就会让整个雅思写作更加的全面。

考题:air transport is increasingly used to export fruits and vegetables to some coutries where can not be grown or out of season. Some people think it is not justified. What is your opinion?

我们可从话题所涉及的各个对象出发,如空运水果蔬菜是否合理,那么空运水果蔬菜所涉及的对象就多了,包括出口国,进口国,消费者,航空公司和政府。

对各个要素的分析:

1. for consumers, they can taste some foreign foods without going to other countries.

2. for transporters, such operation can bring much income. Actually, only about 40% seats of plane are in service in off-seasons compared to offering discounted plane tickets, transporting foods may be a better choice.

3. for exporters, such orders are gold of their business. With the development of technology, the yield is increasing, but if those foods can not be sold immediately, they may decay/rot/ go bad/ moldy. The air transportation just solves this problem and brings money for them.

展开阅读全文

篇2:雅思小作文变化句子

全文共 3265 字

+ 加入清单

一篇好的作文少不了好的句子段落,下面是小编整理的雅思小作文变化句子,希望对你有帮助。

1.the table shows the changes in the number of...over the period from...to... 该表格描述了在...年之...年间...数量的变化。

2.the bar chart illustrates that... 该柱状图展示了...

3.the graph provides some interesting data regarding... 该图为我们提供了有关...有趣数据。

4.the diagram shows (that)... 该图向我们展示了...

5.the pie graph depicts (that).... 该圆形图揭示了...

6.this is a cure graph which describes the trend of... 这个曲线图描述了...的趋势。

7.the figures/statistics show (that)... 数据(字)表明...

8.the tree diagram reveals how... 该树型图向我们揭示了如何...

9.the data/statistics show (that)... 该数据(字)可以这样理解...

10.the data/statistics/figures lead us to the conclusion that... 这些数据资料令我们得出结论...

11.as is shown/demonstrated/exhibited in the diagram/graph/chart/table... 如图所示...

12.according to the chart/figures... 根据这些表(数字)...

13.as is shown in the table... 如表格所示...

14.as can be seen from the diagram, great changes have taken place in... 从图中可以看出,...发生了巨大变化。

15.from the table/chart/diagram/figure, we can see clearly that...or it is clear/apparent from the chart that... 从图表我们可以很清楚(明显)看到...

16.this is a graph which illustrates... 这个图表向我们展示了...

17.this table shows the changing proportion of a & b from...to... 该表格描述了...年到...年间a与b的比例关系。

18.the graph, presented in a pie chart, shows the general trend in... 该图以圆形图形式描述了...总的趋势。

19.this is a column chart showing... 这是个柱型图,描述了...

20.as can be seen from the graph, the two curves show the fluctuation of... 如图所示,两条曲线描述了...的波动情况。

21.over the period from...to...the...remained level. 在...至...期间,...基本不变。

22.in the year between...and... 在...年到...期间...

23.in the 3 years spanning from 1995 through 1998... 1995年至1998三年里...

24.from then on/from this time onwards... 从那时起...

25.the number of...remained steady/stable from (month/year) to (month/year). ...月(年)至...月(年)...的数量基本不变。

26.the number sharply went up to... 数字急剧上升至...

27.the percentage of...stayed the same between...and... ...至...期间...的比率维持不变。

28.the figures peaked at...in(month/year) ...的数目在...月(年)达到顶点,为...

29.the percentage remained steady at... 比率维持在...

30.the percentage of...is sightly larger/smaller than that of... ...的比例比...的比例略高(低)。

31.there is not a great deal of difference between...and... ...与...的区别不大。

32.the graphs show a threefold increase in the number of... 该图表表明...的数目增长了三倍。

33....decreased year by year while...increased steadily. ...逐年减少,而...逐步上升。

34.the situation reached a peak(a high point at) of[%]. ...的情况(局势)到达顶(高)点,为...百分点。

35.the figures/situation bottomed out in... 数字(情况)在...达到底部。

36.the figures reached the bottom/a low point/hit a trough. 数字(情况)达到底部(低谷)。

37.a is ...times as much/many as b. a是b的...倍。

38.a increased by... a增长了...

39.a increased to... a增长到...

40.high/low/great/small/ percentage. 比低高(低)

41.there is an upward trend in the number of... ...数字呈上升趋势。

42.a considerable increase/decrease occurred from...to... ...到...发生急剧上升。

43.from...to...the rate of decrease slow down. 从...到...,下降速率减慢。

44.from this year on,there was a gradual decline/reduction in the...,reaching a figure of... 从这年起,...逐渐下降至...

45.be similar to... 与...相似

46.be the same as... 与...相同

47.there are a lot similarities/differences between...and... ...与...之间有许多相似(不同)之处

48.a has something in common with b a于b有共同之处。

49.the difference between a and b lies in... a与b之间的差别在于...

50...(year)witnessed/saw a sharp rise in... ...年...急剧上升。

展开阅读全文

篇3:老外写环保雅思作文

全文共 2495 字

+ 加入清单

Topic: Environmental problems are as big as not for individual country or individual people to address. In other word, we have reached the stage that environmental problems be solved for international view. To what extent do you agree or disagree?

In recent years, many nations have become more aware of the environmental issues each nation faces, such as air and water pollution. The question is, are the environmental issues a national problem or an international problem?

It is my belief that the environmental issues have grown to the point of becoming an international problem needing international cooperation to resolve. Because of the differences in environmental policies, resources and technology, international cooperation could provide quicker results and have a greater impact on bringing resolution to environmental problems for nations of differing environmental policies and of lesser resources and technology. By pooling international resources and technology to address the environmental problems, the disadvantaged nations are provided the assistance needed. Otherwise their environmental conditions deteriorate ultimately affecting the resources and environment of the world as a whole. One of the difficulities to an international resolution to environmental issues is the difference in individual nations view and policies toward environmental protection.

In order for international cooperation to occur and succeed, the nations of the world must submit themselved to international standards and supervision by an international commission elected by the participating nations of the world. All members must agree to abide by the standards established. The environmental issues facing each country are not unrelated to the well being of the rest of the world. The impact is long term and international in scope. Without international cooperation and agreement to address such environmental issues as glacial melting at the South Pole, depletion of the ozone layer, water pollution, air polution, etc., the environmental conditions of the world will deteriorate to the detriment of every nation, not just those that ignore or lack the resources and technology to resolve their individual environmental problems.

As part of the same planet, it is the responsibility of each individual and nation to protect the global environment. Only international cooperation will provide the timely solutions and the effectiveness needed to stop the deteriorating global environment.

[老外环保雅思作文

展开阅读全文

篇4:雅思写作偏题原因分析及解决方法

全文共 632 字

+ 加入清单

雅思写作偏题原因有哪些?在考生写作之前,审题是必须要操作的步骤,而且也是关乎作文分数最为关键的一环。最重要也是最基本的要求就是:写作要紧扣主题符合题意,否则,即使观点再精彩、语言再优美、论据再充实,作文也无法得到高分。本文将着重对生词原因进行分析,并指导考生该如何应对。

雅思写作偏题原因:生词

生词,是考生审题出现偏差最普遍的问题。一方面,雅思考生越来越低龄化:很多考生年龄小,大多数词汇量非常少,有的考生能够认识的单词甚至还不到1000个。另一方面,雅思的大作文考题尤其是学术类的,话题偏重于社会话题,语言偏书面化,因此有很多考生,其中不乏许多大学生,都会有此感慨:题目有单词不认识啊。

对策

①积累话题核心词

1.何谓题干核心词

雅思议论文题目虽多,但是会有一些出现频率比较高的实意词即为:题干核心词。

2.学习题干核心词的方法

对于题干核心词的学习,建议考生从写作机经入手,找出题干中出现的实意词并作积累。

●请看以下雅思真题:

1. International travel often leads people to have someprejudicesrather than broad-mind. What are the main reasons of this phenomenon? What do you think people can do to get better understanding of the countries they visit?

展开阅读全文

篇5:2024雅思小作文模板万能

全文共 1047 字

+ 加入清单

雅思写作考试部分里,往往我们可以采纳"老三段"式的写法,以不变应万变,不论是线图,柱图,表格,饼图,亦或是流程图,我们都可以采用此种方式完成第一部分的作文.那么老三段式的经典写法中,强调着第一段"开门见山"介绍出本文讨论内容,即改写题目.将必要内容进行改写,这样可以获得高分效应.第二段"丰实的内容"尽量多地将图表中的信息表达明确,不时的需要我们之前总结的常用表达(敬请参见前几篇文章关于雅思作文经典表达介绍文章).第三段也就是文章的最后一段,对全文进行一个总结概括即可.

The chart depicts (that)…该图呈现出… The chart shows (that)…

The figures/statistics show (that)… The diagram reveals … The chart illustrates (that)… 六分表达:

The graph provides some interesting data regarding…该图为我们提供了有关…有趣数据.

The graph describes the trend of …这个图描述了…的趋势

As is shown/demonstrated/exhibited in the chart/diagram/chart/table…如图所示… According to the chart …根据这些表格… As is shown in the table…如图所示…

This table shows the changing proportion of A and B from … to …该表格描述了…年到…年之间A与B的比例关系.

This graph,presented in the chart,shows the general trend in…该图呈现了…总的趋势.

As can be seen from the graph, the two graphs show the flutuation of…如图所示,两条曲线描述了…的波动情况. 高分表达:

From the table/chart/diagram/figure,we can see clearly that…从图表中我们可以很清楚的看到…

The chart shows the changes in the number of …over the period from…to…该表格描述了在…年到…年之间…数量的变化

展开阅读全文

篇6:雅思的写作技巧及方法

全文共 1392 字

+ 加入清单

People attend college or university for many different reasons. Why do you think people attend college or university?

People attend colleges or universities for a lot of different reasons. I believe that the three most common reasons are to prepare for a career, to have new experiences, and to increase their knowledge of themselves and the world around them.

Career preparation is becoming more and more important to young people. For many, this is the primary reason to go to college. They know that the job market is competitive. At college, they can learn new skill for careers with a lot of opportunities. This means careers, such as information technology, are expected to need a large workforce in the coming years.

Also, students go to colleges and universities to have new experiences. This often means having the opportunity to meet people different from those in their hometowns. For most students, going to college is the first time they have been away form home by themselves. In addition, this is the first time they have had to make decisions on their own. Making these decisions increases their knowledge of themselves.

Besides looking for self-knowledge, people also attend a university or college to expand their knowledge in subjects they find interesting. For many, this will be their last chance for a long time to learn about something that does not relate to their career.

展开阅读全文

篇7:2024雅思写作常见同义词汇总

全文共 2386 字

+ 加入清单

以下这些常见同义词替换主要用于大作文写作,不必非要选择生僻词汇或是难词才能显示自己的水平,只需要将自己一些经常反复使用的词汇多多替换,一般来说就可以起到一定的效果。

1解决: Solve, deal with, cope with, handle, resolve, address, tackle

2损害: Damage, hurt, injure, harm, impair, undermine, jeopardize

3给与:Give, offer, render, impart, provide, supply, afford

4培养::Develop, cultivate, foster

5优势:Advantage, merit, virtue, benefit, upside, strength

6 缺陷:Disadvantage, demerit, drawback, downside, weakness

7 使迷惑:Puzzle, bewilder, perplex, baffle

8 重要的:Key, crucial, critical, important, significant, vital, substantial, indispensable, imperative

9 认为:Think, believe, insist, maintain, assert, conclude, deem, hold, argue, be convinced, be firmly convinced, be fully convinced

10 保护:Protect, conserve, preserve

11确保:Assure, ensure, guarantee, pledge

12 有害的: Bad, baneful evil, harmful, detrimental

13 要求 :Request, demand, needs, requisition

14 消除 :Eliminate, clear, remove, clear up, take away, smooth away

15 导致: Lead to, bring about, result in, cause, spark off, conduce to, procure, induce, generate

16 因此:So, therefore, thus, hence, consequently, as a consequence, accordingly, as a result, because of this, as a result of this

17 增长至:Grow to,rise to,increase to,go up to,climb to,ascend to,jump to,shoot to

18降低至:Dip to,fall to,decline to,decrease to,drop to,go down to,reduce to, slump to,descend to,sink to,slide to

19保持稳定:Level out,do not change,remain stable,remain still,remain steady,be stable,maintain the same level,remain unchanged,be still,remain the same level,stay constant,keep at the same level,level off,stabilize,keep its stability,even out

20 急剧地:Dramatically,drastically,sharply,hugely,enormously,steeply,substantially,considerably,significantly,markedly,surprisingly,strikingly,radically,remarkably,vastly,noticeably

21平稳地:Steadily,smoothly,slightly,slowly,marginally,gradually,moderately,mildly

22 宣称:Allege, assert, declare, claim

23 发生:Happen, occur, take place

24 原因:Reason, factor, cause

25 发展:Development, advance, progress

26 有益的:Useful, helpful, beneficial, profitable, rewarding, advantageous

27 影响:Influence, impact, effect

28明显的:Clear, obvious, evident, self-evident, manifest, apparent, crystal-clear

29占:Comprise, take up, account for, constitute, consist of, make up, occupy, hold, compose

30与…相比:Compared with,compared to,in comparison with,in comparison to,by comparison with,by comparison to

31对比而言:By contrast,in contrast,on the other hand,on the contrary=,conversely

展开阅读全文

篇8:20个雅思写作基础作文题目集锦

全文共 3904 字

+ 加入清单

1。

You are an university student who are living in the accommodation at the campus。

One day you find something wrong with your accommodation。

So you write a letter to the House Officer to tell them what happened, the reason you think, what you decide to do, and whether if it is right。

2。

It is wrong that our government pay more money to the artist projects, for instance, there are more and more paintings and sculptures appearing at the public places, because there are more important thing to do。

Whats you opinion? Do you agree or disagree with it?

3。

writing to an English speaking college about qualification, accommodation, fee, what courses do you want to choose and why。

4。

Participating in a sport is as important for psychological health as it is for physical condition and social development。

5。

You have left college。

But you didnt say goodbye to your friend who live in the room with you because he had a course at that time。

Write a letter to him to appology and tell hem how you spend that days before you leave and how you get home。

Then invite him to visit you。

6。

Some people say the parents should except school to conduct their childrens behavior and tell them what is right or wrong。

Others say schools should take this responsibility。

Please give your point about it。

7。

Write to the agency officer and complain about the rent car which has sth wrong。

Tell them the problems of the car you rent from the agency and your requiring。

8。

As the developing countries and the third world countries, there are a funds, how to use it? Invest in the basic education or in the high-technology, for instance, computer? Whats your opinion?

9。

You are a foreign student。

Write to the Student Union, introduce your hobbies and interests and ask information of clubs and societies。

You want to join a club or society enjoy your time when you study there。

10。

Fast food is developing more and more popular。

It replaces other traditional food。

Some people think it is good, some people disagree with it。

Whats your opinion about it。

Give some reason of your opinion。

11。

A friend will visit Beijing。

You will meet him at airport。

But for some reason, you have to be late。

Explain the reason。

Since you havent meet each other, tell the friend where you will meet and how to recognize each other。

12。

More and more childrens writing math ability are affected by computers and calculators。

We should limit the use of those tools。

Disagree or agree。

13。

you have broke your leg and have to stayed in hospital。

you received many cards and letters from your classmates。

write a letter to tell them your detail of your position and thank them at the same time。

14。

some people say that it is impossible for women to be an effective women and to be a good mother in home at the same time。

they also suggest that the government should give the salary to mothers who stay at home to take care of their children。

15。

Your friend write to you and tell you that he is hesitating to chose computer or history as his major in university。

Write to him and tell him your opinion。

16。

Participating in a sport is as important for psychological health as it is for physical conditions and social development。

17。

You live in a room in college which you share with another student。

You find it very difficult to work there because he or she always has friends visiting。

They have parties in the room and sometimes borrow your things without asking you。

Write a letter to the Accommodation officer at the college and ask for a new room nest term。

You would prefer a single room。

Explain your reason。

18。

Who has responsible for our old people?

19。

Write to the agency officer to complain about a rent house by them。

Tell them the problems of the house and your requiring。

20。

You read an ad about a sale of a shop in the local newspaper, when you came to buy the goods you wanted, you find the sale had ended。

Write to the shop manager and complain about this。

Require for the compensation。

展开阅读全文

篇9:雅思写作复习1.研习

全文共 413 字

+ 加入清单

没有规矩,不成方圆。对于一般英语学习者而言,写出优秀的文章有赖于后天习得,但并不意味着机械背诵、生吞活剥,或者照搬照抄、人云亦云。所谓研习,需要有独立思考和个人的判断,本着他山之石,可以攻玉的精神,汲取文章的精华部分加以研究。研习主要侧重两个方面,包括文章章法和语言表达。文章章法指文章的行文思路、布局谋篇、结构安排、逻辑顺序。许多学习者面对一个话题,可能存在两种不同的困惑,一是下笔千言,但离题万里;二是思绪万千,却无从落笔。导致两种困惑的根源皆在于欠缺思考问题、组织思路的恰当方式,以至于文章不得要领、章法紊乱。这就要求我们从全篇脉络角度多研习范文,之后领悟如何以演绎法行文、怎样用归纳法谋篇以及如何围绕特定话题拓展思路等等。此外,研习还要侧重于语言表达,包括遣词造句和句子、段落之间的各种衔接手段,以期在自己日后的写作中派上用场,因为英文写作皆通一理。只有善于借鉴,勤加研究,才会借他人的优势和长处,提高自己的写作水平。

展开阅读全文

篇10:爱的比例作文

全文共 578 字

+ 加入清单

“谁言寸草心,报得三春晖。”诗人孟游在诗中写出了伟大的母。父母对我们的爱一定是百分之百的,他们把我们带到这个世界上,教我们做人,做题……在我们身上付出了很多,按中国的传统美德——孝顺,我们应该孝顺我们的父母,以双倍的爱回报他们,可事实呢,我们常在父母对我们的爱上打折扣,你信吗!如果不信,就听听我们家里的故事吧!

记得有一次,我在学校里因为没好好做准备活动而把脚扭着了,老师当即让爸爸把我接回家。我记得爸爸当时是把我从学校背到附近的医院的,那时是夏天,爸爸头上的汗像水一样留了下来,t恤更是湿透了,到了医院爸爸又把我背上放下,去那儿挂号,去那儿拍片子……在医院过了没多久,妈妈又赶来了。在我的记忆中,妈妈一向不喜欢因为家事儿耽误工作,更何况今天她要开会呀!在家休息的几天,爸爸更是无微不至的照顾我,妈妈也常下午请假来陪我!

都说“可怜天下父母心”,父母对我们的照顾可以说是无可以喻的,可是我呢?

那是几年前的一天,爸爸出差了。妈妈早上给我做早饭,但由于之前她把地拖了一下,所以在出厨房的时候不小心滑了一跤。当时的我只一心想在吃早饭,对妈妈的摔跤完全不顾,妈妈当即有些伤心的怪我:“你一点也不孝顺,我摔倒了你也不扶。”

这下你信了吧!是的,爸爸妈妈对我们的爱一定肯定是百分百的,可我们的爱呢?都去哪儿了?!我们作为晚辈的,一定要反省一下自己,我们的孝顺都去哪儿了!

展开阅读全文

篇11:雅思说明文

全文共 626 字

+ 加入清单

it is / there is/ there are (it is true that many people eat junk food everyday.)议论文:I think that there are too many junk foods in our society.

I think = I believe = I hold the opinion that = my view is说明文一般描述的是关于社会现象或者问题,包括了或者是一个趋势的优点或者是缺点,这类文章通常都是以描述为主,基于事实描述,比较客观,不代有任何的特殊性。 就是一般我们这个社会都能够接受的论点。

议论文一般针对的是题目中的一个话题 (some people think),以及部分人对这个话题的想法(some people think, while others believe, 有些人认为。。。 当另外一些人认为),然后要求你是不是同意或者是发表你自己的看法(I think this is correct/true; I disagree with this)。 这类题目通常会在题目中引述一个观点,然后要求你针对那个观点,进行写作。 议论文比较基于主观事实描述,一般来说,文章的主体是以 为什么而展开,,作者需要通过解释,论证从而达到一个比较合理的能够具有说服力的一个层次。 作者要展开自己的想法,并要通过论证,让读者认为你所写的是正确的,合理的。

展开阅读全文

篇12:关于雅思如何准备写作之基础篇

全文共 1060 字

+ 加入清单

对绝大多数学生来说,写作雅思4门考试中最难的。很多同学从来就没有用英文写过文章,但写作反应一个人的综合英语水平,它又是4门中最重要的。对于基础班的同学来说,他们最大的问题是词汇和语法,而语言恰恰是写作的评分标准之一,没有好的语言,思路和结构再好也没有用。所以提高语言运用的准确性是第一个要解决的问题。我最近刚开始教一个基础班,第一次不限字数让学生写一个印象最深的人。交上来的文章出现最大的问题就是语言表达。他们的思路很好,内容也比较充实,但是语法错误通篇都是,词汇量也很小。

对于这种情况,首先要做的就是帮助他们梳理语法结构。因为这些学生有一定的英语基础但是很不扎实,语法虽然知道但是漏洞很多,我给他们讲解语法时尽量简单,比如讲到动词不定式的复合结构作主语的情况时,必须要用形式主语来表示。学生会觉得这些理论知识很难记,这时我就让他们背这样一个一般结构:It is +adj+for sb. to do sth. 写作的最终目的是要写出准确的句子,所以在讲语法时给学生总结一些句型比单纯的讲语法会更容易让他们接受。又如,在讲到当动词不定式作定语时,一般与被修饰词有动宾关系,如果动词不定式为不及物动词,则在动词不定式后加上相应的介词。很多学生刚听这个会觉得很抽象,我就举了这个例子:Please give the child a pen to write with. 在判断到底要不要在动词后面加介词时,只要把to后面的动词和相应的宾语做一个动宾搭配,看意思是否正确即可,因为只能说write with a pen(用笔写),而不能说write a pen(写笔)。

语法的问题解决了,下面就是词汇量的问题了。我曾经给一个基础班的同学作过练习,发现他们的词汇量不算特别少,但是却很少会用一些固定搭配和句型。写作光有单词不行的,所以在强调词汇量的时候一定要突出词组和句型的重要性。对于一些基本的词组搭配可以参考四六级,有时候也要做些总结,如在讲到prefer这个字是,我要求学生熟记它的三个用法:prefer A to B;prefer doing A to doing B;prefer to do A rather than do B.不少学生一直搞不清prefer怎么有时候可以加to do, 有时候又能加doing, 光解释一致性原则他们还是会用错,所以就让他们记住这三个固定用法吧,所有人都会用了。在基础词组掌握了之后,可以补充一些和大小作文相关的词汇,让他们逐渐熟悉起考试的一些固定用法,为将来正式写作打下基础。

展开阅读全文

篇13:比和比例教学反思

全文共 1297 字

+ 加入清单

数学教学是数学思维活动的教学,在数学教学过程中教师应随时关注学生思维的活动,促进学生数学思维能力的发展。《比例的意义和基本性质》一课,教材中安排的教学过程是让学生进行计算后引出比例的意义和比例的基本性质。如果按这样的教学过程进行教学,我们很难找到在这节课的教学中对学生数学思维能力发展的帮助,也就很难“帮助学生学会基本的数学思想方法”,学生数学思维能力的培养就成了一句空话。

教无定法,好的教学方法无疑能调动学生的学习积极性,提高课堂的授课效率。从目前情况看,部分教师的教学方法仍停留在灌输、填鸭、教师讲学生听的初级阶段,教学效果较差。

比例应用题这部分内容是在学过比例的意义和性质,成正、反比例的量的基础上进行教学的,这是比和比例知识的综合运用。教材首先说明应用正、反比例的知识可以解决一些实际问题。例1教学应用正比例的意义来解的基本应用题。为了加强知识之间的联系,先让学生用以前学过的方法解答,然后教学用比例的知识解答。通过方框中的说明突出了怎样进行思考的过程,特别强调了要判断题目中两种相关联的量成什么比例关系,以及列出比例式所需的相等关系,然后再设未知数,列出等式解答,并在解答的基础上引导学生想一想,如果改变例1题目里的条件和问题该怎样解答。

成比例的量,在生活实际中应用很广,这里使学生学习用比例的知识来解答,在原有认识的基础上,再让学生用其他方法解答同一题目,概括出一般规律。通过解答使学生进一步熟练地判断成正比例的量,从而加深对正比例意义的理解。有利于沟通知识间的联系,也为中学的数学、物理、化学等学科中应用比例知识解决一些问题做较好的准备。同时,由于解答时是根据比例意义来列等式,又可以巩固和加深对所学的简易方程的认识。所以,在教学上要十分重视从旧知识引申出新知识,在这过程中,蕴涵了抽象概括的方法,运用这个概括对新的实际问题进行判断,这是数学学习所特有的能力。

师:今天我们学习了用比例解应用题,同学们回顾一下:用比例解应用题的步骤是怎样的?

生1:第一步 判断题中的量成什么比例;

生2:第二步 设X

生3:第三步 列出含有X的比例式;

生4:第四步 解答并检验。

师:很好。同学们把解答比例应用题的步骤归纳得很好,确实我们在用比例解应用题时要先判断题中的量成什么比例,再按比例的方法列出比例式,然后解答和检验。下面请同学们按照这样的方法完成下面的几道题。(出示准备的练习题)

我带领学生把用比例解应用题的方法整理、归纳得天衣无缝,这样的小结对学生的当前解题确有帮助,或许在提示用比例方法解应用题时是不会出错的。但新课程强调的是面向学生的未来,试想想,这样的小结会给学生的将来带来什么?

由于把用比例解应用题归结为这样的四步,学生在解题时按照这样的四步也许是不会错的,但实际上用比例解应用题时,有的也不必一定要按照这样的四步,尽可能简单的列出算式,可以用多种方法列出比例式的题就出不来好效果了。学生的思维训练做不到灵活开放了。()更不用说通过练习提高学生思维的灵活性品质了。

通过对这节课的总结,我意识到教师的教要以学生的发展为基准,把学生的学放到主要地位上来,真正的做到以学生为主体的教学模式。

展开阅读全文

篇14:艾滋病经性传播比例持续走高

全文共 278 字

+ 加入清单

全国艾滋病年度报告病例的感染途径构成数据显示,艾滋病经性传播所占比例不断扩大。2005年为11.6%;到2007年增加到42.3%,2009年为57.4%;2011年为80.4%,其中,同性、异性传播分别占14.7%和65.7%;2013年1至9月,经性传播比例已近九成,其中经同性传播为20.8%,经异性传播比例为69.1%。

专家指出,随着传播方式的改变,我国艾滋病疫情已由高危人群向一般人群扩散。当前艾滋病感染群体更加分散,已不再集中于吸毒人员等高危人群中。由于传播方式更加隐秘,感染涉及的人群范围更广、更分散,落实防治措施、减少新增感染的难度加大了。

展开阅读全文

篇15:2024雅思作文写作基础知识大全

全文共 1705 字

+ 加入清单

1.经济的快速发展the rapid development of economy

2.人民生活水平的显著提高/稳步增长the remarkable improvement/ steady growth of people’s living standard .

3.先进的科学技术advanced science and technology.

4.面临新的机遇和挑战be faced with new opportunities and challenges.

5.人们普遍认为It is commonly believed/ recognized that…

6.社会发展的必然结果the inevitable result of social development

7.引起了广泛的公众关注arouse wide public concern/ draw public attention.

8.不可否认It is undeniable that…/There is no denying that …

9.热烈的讨论/争论a heated discussion/ debate

10.有争议性的问题a controversial issue

11.完全不同的观点a totally different argument

12.一些人…而另外一些人… Some people… while others…

13.就我而言/就个人而言As far as I am concerned, / Personally,

14.就…达到绝对的一致reach an absolute consensus on…

15.有充分的理由支持be supported by sound reasons

16.双方的论点argument on both sides

17.发挥着日益重要的作用play an increasingly important role in …

18.对…必不可少be indispensable to …

19.正如谚语所说As the proverb goes:

20.…也不例外…be no exception

21.对…产生有利/不利的影响exert positive/ negative effects on …

22.利远远大于弊the advantages far outweigh the disadvantages.

23.导致,引起lead to/ give rise to/ contribute to/ result in

24.复杂的社会现象a complicated social phenomenon

25.责任感/成就感sense of responsibility/ sense of achievement

26.竞争与合作精神sense of competition and cooperation

27.开阔眼界widen ones horizon/ broaden ones vision

28.学习知识和技能acquire knowledge and skills

29.经济/心理负担financial burden / psychological burden

30.考虑到诸多因素take many factors into account/ consideration

31.从另一个角度from another perspective

32.做出共同努力make joint efforts

33.对…有益be beneficial / conducive to…

34.为社会做贡献make contributions to the society

35.打下坚实的基础lay a solid foundation for…

36.综合素质comprehensive quality

37.无可非议blameless / beyond reproach /above (或beyond) reproach

39.致力于/投身于be committed / devoted to…

40.应当承认Admittedly

展开阅读全文

篇16:中国电信:行政村光网覆盖比例提升到75%

全文共 429 字

+ 加入清单

6日,中国电信发布提速降费六举措,举措一:新增千亿投资,打造智能化高速网络。2017年计划总投资约1000亿元。一方面,持续加大光网投入,年底前基本实现南方区域乡镇以上光网全覆盖行政村光网覆盖比例提升到75%;同时规模开展百城“千兆示范”活动,在主要区域实现千兆宽带接入能力。另一方面,持续加快移动宽带网络建设,打造全国连续覆盖的4G精品网,并建成覆盖全国的高清语音VoLTE网络和新一代物联网(NB-IoT)。

举措二:全面取消手机国内长途和漫游费。从2015年4G业务上市起,中国电信所有4G套餐均为长市漫一体化套餐,目前已有60%用户选择使用。今年10月1日起将全面实施取消手机国内长途和漫游费。

举措三:降低国际及港澳台长途通话资费。中国电信将于今年年内下调北美、欧洲、东南亚及“一带一路”沿线等方向的长话资费。

此外,中国电信还发布其他举措,包括助力双创,大幅降低中小企业互联网专线接入资费;加快推广六模全网通手机;践行信息惠农,进一步开展精准扶贫等。

展开阅读全文

篇17:公厕男女蹲位比例应为2

全文共 383 字

+ 加入清单

我们常常在餐厅、电影院、商场看到这样的场面:男人们有条不紊地慢悠悠上厕所方便,而女厕所门口,总会站着焦急等待的女同胞。市人大代表、涪陵区教育科学研究所研究员张华义认为,这一现象是公共场所的厕所蹲位设置不合理造成的。他建议,有关部门要尽快调整男女厕所蹲位比例,适应现代社会需要。

张华义说,以前的公厕设计,蹲位上大都是男性要比女性多,那是在“男主外,女主内”的年代,因为女性参加社会活动少,如厕的矛盾尚不突出。随着女性从“家庭主妇”中解放出来,在社会上顶起“半边天”,就出现了女性如厕难问题,再加上生理结构原因,男性在小便时要比女性方便得多,大约要快一半时间。因此,调整公厕男女蹲位的比例,显得尤为必要。

据介绍,早在1989年建设部出台的关于“城市环境设施设置标准”上就有明确规定:城市公共厕所男女厕位比例应达2∶3。此举目的在于体现男女平等,减少女士如厕排长队的问题。

展开阅读全文

篇18:雅思作文考试的结构

全文共 357 字

+ 加入清单

雅思作文考试结构

写作部分(General Traning和Academic试卷不同)

写作包括两篇作文题目,Task 1和Task 2,前一篇150字,后一篇250字。原则上建议考生前一篇作文用20分钟,后一篇用40分钟,因为后一篇文章分值更高。

A类写作部分,全部1小时时间,分2大单元(Task 1&Task 2);

(Task 1)通常考题以图片、表格坐标、曲线图为基本形式,考生根据所给的资料,写出150个字以上的文章来叙述主题,组织并探讨主题,提出比较支持的论点。

G类的(Task 1)考生多以写一封信来应对考题中所给予的模拟状况或问题。

(Task 2) A类与G类非常类似,考生就考题的主题,用250字详加发表意见,通常考生被要求用几种方式之一来做为架构解决问题、表达自己的意见、支持或争辩考题所给予的讯息。

展开阅读全文

篇19:2024雅思写作四类图表作文要点解析

全文共 544 字

+ 加入清单

雅思小作文一般都是图表作文,首先要知道的就是雅思图表作文的几种主要类型:表格图,曲线图,饼状图和综合性图表四大类,那么雅思图表作文应该怎么完成呢?下面为大家分享四类图表作文要点,希望对大家有所帮助!

一、雅思表格图图表作文的写作要点

1横向比较。介绍横向各个数据的区别,变化和趋势

2不需要将每一个数据分别说明,突出强调数据最大值和最小值

3最对比时要总结出数据对比最悬殊的和最小的

二、雅思曲线图图表作文的写作要点

1极点说明。即,对图表当中最高的,最低的点要单独进行说明

2趋势说明。即,对图表当中曲线的连续变化进行说明,如上升,下降,波动,持平

3交点说明。即,对图表当中多根曲线的交点进行对比说明

三、雅思饼状图图表雅思作文的写作要点

1介绍各扇面及总体的关系

2各个扇面之间的比较,同类扇面在不同时间,不同地点的比较

3重点突出特点最明显的扇面:最大的,最小的,互相成倍的

四、雅思综合图图表作文的写作要点

1不求甚解,不拘泥于细节

2分门别类,分段落详细介绍各个图表

3不画蛇添足,主观臆断或猜测图表之间的关系

以上就是这四类雅思图表作文的写作要点介绍,对于各个图表的特点和描写的重点的不同进行了对比,大家可以在备考自己的雅思图表作文考试的时候,提前进行适当的参考和借鉴。

注意:以上信息整理来自网络,仅供参考!

展开阅读全文

篇20:雅思写作观点选择类作文

全文共 473 字

+ 加入清单

观点选择类的题目是雅思作文的主要题型,非常在考试中容易出现。所以对于这种题型提炼一个高分模板是非常有必要的。现在雅思就为大家整理了一个相关模板供大家参考,希望会对大家有所帮助。

在雅思观点选择类作文题目要求一般会有如下的字眼:Discuss both views and give your personal opinion。所以,按照题目要求,大家必须要将两个观点都拿出来比较其合理之处才可以。切忌拿一个观点的好处和另一个观点的坏处相比。

例如有个传统的观点选择类的题目,比较老年人住家里好还是住养老院好。我们就需要写住家里的好处和住养老院的好处。最后表态说要尊重老年人的意见才能够选择最适合他们的。那么我们安排一个模板:

1。Introduction

2。让步可能老年人住家里的确有好处

3。转折点明老年人住养老院的好处之一

4。并列点明老年人住养老院的好处之二

5。总结

这样的观点选择类的作文模板是每段围绕一个观点进行陈述,在加上结合剩下来的词汇和语法结构的多样性了。这两样就可以给雅思的作文的高分下一个保证了。最后,雅思预祝大家在雅思考试中取得好成绩!

展开阅读全文