关于S2分裂，错误的是（）。 A.生理性分裂在青少年更常见 B.二

搜题请搜索小程序“爱下问搜题”

问题单项选择题

关于S₂分裂，错误的是（）。

A.生理性分裂在青少年更常见

B.二尖瓣狭窄伴肺动脉高压可通常有分裂

C.固定分裂可见于先天性心脏病房间隔缺损

D.反常分裂可见于完全性右束支传导阻滞

E.主动脉瓣狭窄可出现逆分裂

答案

参考答案：D

填空题

单词拼写。

根据句子的意思和所给的首字母写出单词.

1. A lot of facts show that China is not only one of the cradles(摇篮) of human c________, but also

the cradles of man himself.

2. Many r from different provinces were present at the Fifth Session of the 11th National People's

Congress.

3. Zhang Yishan and Yang Zi are both junior school students, but that's not stopping them from

becoming c________ in China because of their performance in the TV show Home with kids.

4. The painting proved to be an unknown m_________ by Leonardo da Vinci.

5. The two buses went in o directions - one went south and the other went north.

判断题

邮票的发行日期是指邮票开始使用的日期。