单项选择题

We can not be too careful in performing operation.（）

A.我们做手术越仔细越好。
B.我们做手术时不能太仔细。
C.我们手术试验达不到太仔细的程度。
D.我们做手术时不得不很仔细。

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The camp meeting（）Catherine gave his first performance last summer was held for religious purpose.

A．where
B．which
C．that
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Dr. Seaman would prefer the matter（）at the next meeting.

A．to be discussed
B．being discussed
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