等容舒张期的定义是（） A.主动脉瓣关闭到二尖瓣开放间期 B.心

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问题单项选择题

等容舒张期的定义是（）

A.主动脉瓣关闭到二尖瓣开放间期

B.心室快速充盈早期

C.心室舒张晚期

D.二尖瓣关闭到主动脉瓣开放间期

E.二尖瓣M形曲线的CD段

答案

参考答案：A

完形填空

通读下面的对话，然后根据上下文补全对话内容。

A: Good afternoon, Miller! 小题1: ?

B: I’m drawing a horse.

A: A horse? Can you let me have a look?

B: 小题2: . Here you are.

A: Oh, the horse looks very nice. Do you often draw in your free time?

B: 小题3: .

A: Do you like drawing?

B: Yes. I like drawing very much.

A: 小题4: ?

B: Because it’s very interesting. And my art teacher is very kind to me.

A: 小题5: ?

B: I have an art lesson once a week.

判断题

《进出境动植物检疫法实施条例》由全国人大常委会制定并公布。