题目内容

水汽量愈多,露点愈高。

A. 对
B. 错

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When does a strok happen?

What are the differences between these two kinds of strokes?

How many kinds of strokes?

A. ischemic stroke
B. hemorrhagic
C. silent stroke, also called cerebral infarction.

What are the warning signs for a stroke?

A. feel difficult to walk
B. a part of the body is weak
C. feel difficult to see and speak

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