大学体验英语综合教程3课后习题答案翻译答案课文翻译.doc

Unit 1 Lead-in1 human beings 2 powered 3 greenhouse 4 far away 5 make a difference 6 breathe in 7 decreasing performance 8 four inches high 9 campaign 10 encourageEx 31 B 2 B 3 C 4 A 5 DEx 4 issues, pollution, deforestation, related, consumption, resources, threat, responsibilityEx 51 addicted—smoking 2 environment—concern 3 expert—wisdom4 possession—greed 5 resources—inexhaustibleEx.6 1 strategies 2 specific 3 consumers 4 released 5 trapped 6 consequence 7 was isolated 8 priority 9 convenience 10 elementsEx71 transform 2 all the way 3 sit back 4 resulting from 5 share…withEx.81 How did the war, which brought terrible disasters to mankind, impact on such a poet?2 Mothers are sometimes blind to the faults of their beloved children, which will cause the children to make the same mistake again.3 As a new immigrant in this completely strange country, she always felt isolated.4 Acting before thinking often results in failure, so we should think before we leap.5 The time for talking is past; we must take positive action to protect our environment.Ex.91 Take two pills each time and three times a day and you will be well in a few days.2 He is not impatient; he is just too tired.3 Once water shortage reaches the point of no return, there will be nothing left to be done but abandon the city.4 We’d like to share our experience in city planning with every representative here and show them what is special of our innovations.5 We can’t just sit back and do nothing about increasingly serious traffic problems.Ex 121 D 2 A 3 C 4 A 5 B Ex. 13 1 subtle 2 were overtaken 3 species 4 decades 5 boundaries 6 audio 7 directly 8 focus 9 tone 10 cuppedEx. 141 at that rate 2 For the sake of 3 come to 4 by hand 5 vice versaEx. 151 Young people sometimes complain of not being able to communicate with their parents.2 Mary has been longing to take up residence in a Chinese village in Y