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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 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.
5 We can’t just sit back and do nothing about increasingly serious traffic problems. Ex 12
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发表于 2016-10-26 20:34:43