题目内容
（请给出正确答案）
[主观题]
The playwright was known not for his original ideas but for his ______ of ideas that had b
een propounded by others.
A．invention
B．reiteration
C．consideration
D．rejection
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洁净区的洁净度要求是
A.10万级
B.1万级
C.100级
D.10级
E.无洁净度要求
