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单项选择 1. The growing speed of a plant is influenced by a number of factors, ______ are beyond our control. A. most of them B. most of which C. most of what D. most of that 2. He has been badly injured, and he is ______. A. in danger B. out of control C. out of date D. out of danger 3. Though ______ of the doctors to be sent there is only 2, ______ of them have come to apply for it. A. a number; the number B. the number; a number C. a number; a number D. the number; the number 4. She used an umbrella to ______ herself from the rain. A. prevent B. stop C. save D. protect 5. It’s a common scene now in Chile that families cry helplessly over ______ is left of their homes. A. what B. which C. there D. it 6. Would you please lend me your pen? I’d like to ______ the telephone number. A. put down B. put out C. put off D. put up 7. The forest guards often find campfires that have not been ______ completely. | 
