单项选择题

A．To prevent the lookers-on from getting near.
B．To protect the injured men.
C．To let the fire engines and ambulances pass.
D．To cheek the leaking gas pipe.
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填空题
The number of jobless adults in China rural areas is larger than that of____________.
单项选择题
A．Do extra work if necessary.B．Change the spark plugs only.C．Clean the spark plugs only.D．Charge her more than ￡ 10 if necessary.
A．Do extra work if necessary.
B．Change the spark plugs only.
C．Clean the spark plugs only.
D．Charge her more than ￡ 10 if necessary.
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