21世纪大学英语读写教程第四册答案unit1~7

want to take in new knowledge will end up learning everything in the computer lab.

6.Yesterday his car crashed into a truck almost head-on. If he does not stop driving so carelessly, I am sure he will wind up in the emergency room of a hospital.

7.There is a flaw in the structural design of the painting. Why don't you erase the vertical lines and simplify it a little bit?

8.John should have given up smoking a long time ago. After all, health is of the utmost importance to everybody. unit 4 TEXT A II

1.The IQs among the students were within the normal range.

2.The study showed that a teacher's positive view and high expectations of students convinces them that they are gifted and enables them to do better than average work.

3.She did not see this as evidence that the student was not bright or capable, but rather viewed it as one day抯 poor performance, an exception to a normally good pattern of work.

4.It is hard to describe exactly, but her tone was assured and she did not express any negative qualities such as irony, putdowns and/or irritation.

5.This shows that positive expectation can be effective even on mice, who do not, of cours understand human language.

6.Labeling means thinking of people in terms of the general prejudices which we have about their nationality, their race, or their gender, rather than thinking of them as individuals.

7.Labels define a broad, heterogenerous group too specifically. They are usually prejudicial, non-inclusive, and often racist or sexist.

8.This example shows how labeling can create a sense of guilt in a person who does not do what is expected, even when he follows his talents and is quite successful. IV

4.homogeneous

5.inclusive

6.welfare

1.breed 2.accordingly 3.racial 7.deceiving 8.irritation 9.variables 10.uncover 11.irony 12.verbal 13.readily 14.indifference 15.certainty;certainty

16.superior V

1.in terms of 2.due to 3.measures/lives up to 4.as often as not 5.consisted of 6.go through with 7.in reality 8.in part VI

1.unfolded 2.unpacked 3.undo 4.unbend 5.unfastende 6.unload 7.undressing 8.unlocked VII 1.transmit 2.transforming;transferring 3.transcribed 6.transparent VIII

1. AS the example in the text makes clear 2.As i mentioned earlier / As(was) mentioned earlier 3.As is known all 4.as (is) agreed on in the contract 5.as had been originally planned

IX 1.They would rather overwork themselves to make life better for our sake than spend their hard-earned money on themselves 2.would rather read a best-seller than chat with others 3.would rather confine yourself in the library than go out to meet and talk with local people 4.would rather give up my short-term interest than let it

4.transplanting 5.transfer

slip away 5.would rather not tell our parents what抯 in our minds than sit down and communicate with them like friends

X BDADB ACADA BBACB

XI 某个学生的成绩达不到老师的期望是常有的事。当

——而学生相信了

到老师知道他能做到的事。很难精确地确定老师传达分告诉了孩子。它的一部分包括显示信心的平和语调

刺、贬低和恼怒等消极因

种信心。 XII

1.Schools should avoid deciding who is superior only in terms of students' exam results and treating them accordingly. Instead, a good educational system should enable every student to measure up to good standards as well-rounded people.