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【简答题】
移动式产尘设备按经常移动范围的长度设采样点。 20m 以下者设 1 个, 20m 以上者在 、 处各设 1 个采样点。
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反馈参考答案：
举一反三
【单选题】Hill slopes are cleared of forests to make way for crops, but this only ____ the crisis.
A.
accelerates
B.
prevails
C.
ascends
D.
precedes
【单选题】Walt Disney could have built his biggest theme park anywhere. He chose Florida. The weather is balmy, and when it gets too hot there are lots of pools to cool off in, says. Meg Crofton, Walt Disney Wo...
A.
most of the staff are full-time.
B.
most of the staff are part-time.
C.
workers are reluctant to be employed in a company for long.
D.
most companies run smoothly less than nine years.
【单选题】Hill slopes are____of forests to make way for crops, but this only accelerates the crisis.
A.
cleaned
B.
tided
C.
cleared
D.
eliminated
【单选题】Hill slopes are ____of forests to make ways for crops, but this only accelerates the crisis.
A.
cleaned
B.
tided
C.
cleared
D.
eliminated
【单选题】Hill slopes are cleared of forests to make way for crops, but this only ______the crisis.
A.
precedes
B.
prevails
C.
ascends
D.
accelerates
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