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　　C. out of date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.

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