题目内容

Every so often, ____(做出判断) your situation and consider what steps have to be taken next.

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When confronted with a decision and unable to believe they can find an acceptable solution, some people remain calm by resorting to ____(如意算盘) or daydreaming.

()快捷键用于生成注释

A. Ctrl+/
B. Ctrl+Shift+/
Ctrl+Shift+\
D. Ctrl+\

写结构式:2、2-丁烯-1-醇

写结构式:3、乙醚

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