试题与答案

Mr. Mason, who holds the office of chair

题型:选择题

题目:

Mr. Mason, who holds the office of chairman, has _____ heavy a work load that it is difficult for him to travel.

A.such

B.so

C.quite

D.much

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:痰液筛选的标准为痰液涂片镜检鳞状上皮细胞25个/低倍视野或鳞状上皮细胞:白细胞≤1:2.5。

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