---说明原因的句型:

　　1. there are two/some good reasons for sth./to do sth. …

　　生活条件改变的原因有两条。首先，我们一直在贯彻执行改革开放政策。其次，我们的经济在迅速发展并且出生率得到了控制。

　　there are two reasons for the changes in people’s living conditions. first, we have been carrying out an opening and reform policy. second, our national economy is developing rapidly and the birth rate has been under control. .

　　2.we have two good reasons for/against ...

　　我们有两条充分理由反对工业不受控制的发展。

　　we have two good reasons against the uncontrolled development of industry.

　　3. the reason for...is that + 从句

　　我们支持“希望工程”的原因是, 许多贫困地区的儿童付不起继续学业的各种费用。

　　the reason for us to support the “project hope” is that many children in poor areas can not shoulder different kinds of expenses to continue with their schooling.

　　--- 关于因果关系的句型:

　　物价上升的原因是需求的增加。

　　the cause of (=reason for) higher prices was an increase in demand.

　　或: because the demand has increased, the prices are higher.

　　或: an increase in demand results in higher prices.

　　或: the demand has increased. as a result, the prices are higher.

　　或: if there is an increase in demand, then prices rise

　　译：他们取得的成果是由于他们的刻苦努力。what they have achieved results from their hard(=painstaking) work.

　　--表示不同看法的句型:

　　1. 人们对这个问题的看法各不相同。when it comes to sth, the opinions of people differ

　　有些人认为 … ；其他人争辩说 … ；还有一些人主张 …

　　some believe that ... others argue that .... still others maintain that ...

　　2. 他们的观点各不相同。they are quite different from each other in their opinions.

　　3. 有些人持这样的观点：孩子少是好事。 some people hold the opinion that it is good to have a small family.

　　4. 他们对这个问题的态度大相径庭。they think quite differently on this question.

　　5. 他们对噪音问题的态度截然不同。they differ greatly in their attitudes towards noise problem.

　　家长和孩子对这个问题的看法不同。家长认为，孩子应努力学习，得到好的学习成绩。而孩子们则认为，他们应该有更多的自由来支配他们的闲暇时间，来安排他们的未来。 &\Urvs?]u[=VXk[ 本_资_料_来_源_于_贵_州_学_习_网 考研一方考研英语 Http://wwW.gzU521.coM )&\Urvs?]u[=VXk

　　parents and children think differently on this question. parents hold that children should work hard and do well at school. children, however, maintain that they should have more freedom to spend their leisure time and to plan for their own future.

　　---- 表示必须、紧急、有困难做某事的句型:

　　it is important (necessary, urgent, difficult, easy, convenient, comfortable, expensive, desirable, advisable) for sb. to do sth.

　　--- 常用谚语 (在议论文中):

　　1. 常言道，“事物总是一分为二的。” as a popular saying goes, "every coin has two sides".

　　2. as a proverb says, "everything has two sides". on the one hand, physical exercise is good for your health. on the other hand, if you don’t deal with it properly, it will do harm to your health. so we should look at the matter from two sides.

　　3. as a proverb says, " where there is a will there is a way." (有志者事竟成。)

　　4. as a popular saying goes, "a man is known by the company he keeps."(观其交友，知其为人。)

　　5. as is known to all, "no pains, no gains". (没有苦，就没有甜。)

　　6. it’s no use crying over the spilt milk. (覆水难收。)

　　7. more haste, less speed. (欲速者不达。)

　　8. look before you leap. (三思而后行。)

　　9. he who laughs last laughs best. (谁最后笑，谁笑得最好。)

　　--- 辩论中常用的句型:

　　1. there is no doubt that ... 译：毫无疑问the rapid increase in population 促使 the sharp decrease in the species of wild animals.

　　2. it is obvious/clear that 爱心是一盏灯, 越黑暗的地方, 它越明亮。

　　3. 众所周知，中国一贯主张, 国家不管大小, 应该一律平等。as is known to all, china always maintains that all nations should be equal, be they large or small.

　　4. (it’s) no wonder ... (难怪) 译：他不努力工作, 难怪他丢了工作。

　　5. it goes without saying that ... ( 不成问题, 很自然 ) ：很自然，健康的人比病人幸福。it goes without saying that healthy people are much happier than sick ones.

　　6.what is more important, we should 保持 ecological balance.

　　7. i am convinced that only if our society is full of love, tomorrow will be much better and brighter.

　　8. it is no exaggeration to say … 可以毫不夸张地说，…