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答案:练习1:1. A rocket is made of . A battery is a device that gives a constant . What a goodputer (it is) How good aputer (it is)4. In aputer the tendency is to operate as high a clock ra
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第一单元 III. 1. idle 2. justify 3. discount 4. distinct 5. minute 7. object 8. contaminate 9. sustain 10. worshipXI. - 1. The plant does not grow well in soils other than the one in which it has been de
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科技英语综合教程辅导书Unit 1 Sources of EnergyText APetroleumSentence structure of originating in accumulating woody matter petroleum may be the product of the accumulating fatty matter of ocean organisms such
Unit 1 Cloze(A)1. aware 2. performance 3. average 4. adequate 5. set aside 6. mentions 7. look over 8.mit(B)1. ifonce 2. about 3. it 4. know 5. up 6. as 7. from 8. words 9. into 10. other 11. f
<MUSIC>soundunit01_newwords_<MUSIC><TITLE>New Words<TITLE><1>reward vt.give sth. in return for good and valuable doings 奖赏回报He was rewarded handsomely for his efforts. 他的努力得到了可观的回报It is often necessar
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