Unit 1 Lead-in
1 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 encourage Ex 3
1 B 2 B 3 C 4 A 5 D Ex 4
issues, pollution, deforestation, related, consumption, resources, threat, responsibility Ex 5
1 addicted—smoking 2 environment—concern 3 expert—wisdom
4 possession—greed 5 resources—inexhaustible Ex.6
1 strategies 2 specific 3 consumers 4 released 5 trapped 6 consequence 7 was isolated 8 priority 9 convenience 10 elements Ex7
1 transform 2 all the way 3 sit back 4 resulting from 5 share…with
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Ex.8
1 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.9
1 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.
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5 We can’t just sit back and do nothing about increasingly serious traffic problems. Ex 12
1 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 cupped Ex. 14
1 at that rate 2 For the sake of 3 come to 4 by hand 5 vice versa Ex. 15
1 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 Yunnan for a few years. Now her dream has come true.
3 Domestic animals are used to depending on humans, so it is difficult for them to survive in the wild.
4 He was suddenly overtaken by a fear that he would be laid off the company because of depression.
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5 I figure he’ll be back soon since he promised to have dinner with me. Ex 16
1 go from bad to worse 2 loss of hope 3 fuels like petroleum and coal
4 very dry 5 a mass movement away from a place Ex 17
1 我们大多数人只是袖手旁观，还会说：“让专家去处理吧。 2 就人类而言，母亲生病，孩子就会受苦；既然我们造成了地球上的生态失衡，而我们又是受害者 。
3 机器的发明使世界进入了一个新纪元——工业时代，金钱主宰一切。
4 每个人的生活都有甜有苦。
5 麦肯立博士竭尽全力唤起公众对严峻的环保问题的关注。 6 那条消息让我惊出了毛骨悚然。
7 她在演讲中用了许多术语，使听众听得莫名其妙。 8 这些问题盘根错节，三言两语说不清楚。 Unit 2 Lead-in
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1 invitations 2 around the world 3 reach 4 institution 5 specially appointed experts 6 vote 7 diploma 8 medal 9 is followed by 10 including Ex3
1 C 2 D 3 A 4 C 5 B Ex4.
compass, inspiration, curious, persistent, stimulated, inspired, genius, complex Ex5
1 condense—condensed 2 curious—curiosity 3 devise—device
4 persistent—persistence 5 convinced--convincing Ex6
1 fundamental, 2 ultimate, 3 sparked, 4 apparently, 5 patience,
6 curiosity, 7 convince, 8 detail, 9 responses, 10 (has) stirred Ex7
1 fooled...into, 2 came upon, 3 join in, 4 come up with, up to Ex8
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5
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