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课时提升作业(二十三) 选修7 Unit 4 Ⅰ. 单项填空 1. (2017·上饶模拟)Once air pollutionin most cities, it is hard. A. rises; dealing withB. arouses; to be dealt with C. raises; dealt with D. arises; to deal with 2. If you will the affair, I shall be very grateful. A. apply B. experience C. undertake D. command 3. (2017·嘉兴模拟)Jiaxing is a small city. Therefore, to the flow of traffic, the government has decided to broaden some main streets. A. speed up B. build up C. put up D. come up 4. (2017·贵州六校联盟二联)Since your English is poor, why not an English club to improve it? A. to consider joining B. consider to join C. considering to join D. consider joining 5. (2017·常州模拟)I tried to in my speech how grateful we all were for his help. A. convey B. communicate C. contact D. correspond 6. Only after they had discussed the matter for a few hours a decision. A. they reached B. did they reach C. they reach D. do they reach 7. The workers are loading the goods a car, that is, they’re loading the car | 
