伴发羊水过多的胎儿畸形是（）①脊柱裂②骨骼系统异常③膈疝④ _爱下问搜题

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问题单项选择题

伴发羊水过多的胎儿畸形是（）

①脊柱裂

②骨骼系统异常

③膈疝

④ * * 闭锁

A.①

B.①②

C.①②③

D.①②③④

E.②③

答案

参考答案：C

填空题

选择方框中的单词填空。

is new Who old like quiet tall he our young

1. —             is the man?  —Mr. Wu.
2. —Do you have a             teacher?   —Yes, I do. But he doesn't have a new teacher.
3. —How             are you?   —I'm ten.
4. —What's your English teacher            ?   一He's kind.
5. That's             math teacher, Miss Li.
6. —Is            strict?   —No, he is kind.
7. My P. E. teacher is             and strong.
8. He is only 20. He is very             .
9. —Is this girl active?   —No, she is            .
10. My math teacher             thin and short.

问答题简答题

什么是水蒸法制油？