题目内容

正常情况下,大约有多少基底层细胞处于核分裂活动状态:

A. 5%
B. 10%
C. 20%
D. 30%

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以下关于肥大细胞的描述错误的是:

A. 普遍存在于结缔组织中
B. 细胞表面有IgE受体
C. 被激活后可释放炎症介质
D. 所释放介质可导致微血管收缩

The chimney ( ) a cloud of smoke.

A. remitted
B. emitted
C. transmitted
D. intermitted

He had to work from morning till night, otherwise he would be ( ) by the boss.

A. disrupted
B. dispelled
C. dismissed
D. deducted

With the development of modern electrical engineering, we can ( ) power to wherever it is needed.

A. intermit
B. transmit
C. commit
D. emit