题目内容

用煮沸灭菌法杀灭芽孢至少需多长时间

A. 20分钟
B. 30分钟
C. 40分钟
D. 50分钟
E. 60分钟

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67()

A. sufferers
B. criminals
C. victims
D. prisoners

The judge would give ______ (consideration) to his decision when new evidence came to light.

熟能生巧,正如俗话所说。

70()

A. argue
B. propose
C. assume
D. suppose

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