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课时作业29 Unit 4 Global warming 一、单元扣点训练 Ⅰ.短语填空 come about; go up; result in; be opposed to; keep on; on behalf of; put up with; so long as; build up; turn up 1．I can hardly hear the radio. Would you ________ please? 2．The car crash ________ three people being killed and one injured. 3．These exercises are good for ________ leg strength. 4．The price of oil has ________ by over 50 percent in less than a year. 5．At first they ________ the scheme, but we managed to argue them round. 6．________ all the guests here，I wish to thank you for giving us this warm reception. 7．We want to know how it ________ that humans speak so many different languages. 8．“I will not ________ your bad behaviour any longer，” said the girl angrily. 9．You can certainly do it well if you ________ practising hard. 10．I don't care about the price，________ the car is in good condition. 答案 1.turn it up 2.resulted in 3.building up 4．gone up 5.were opposed to 6.On behalf of 7．came about 8.put up with 9.keep on 10.so long as Ⅱ.完成句子 1．It is human activity ______________________(导致了地球变暖) rather than a random but natural phenomenon. (cause) | 
