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问题 单项选择题

胎怯最常见于（）

A．难产新生儿

B．足月新生儿

C．体重超常新生儿

D．体重低下新生儿

E．以上都不是

答案

参考答案：D

解析：

胎怯多数为低出生体重儿，常见于早产儿和小于胎龄儿。

阅读理解

根据短文内容，判断正(T)误(F)。

     There are eighteen boys and twenty-five girls in our class. One of the boys is English. His name is

Tom. He is thirteen. Two of the girls are American. They are twins. Their names are Jane and Joan.

They are twelve. They are my friends. All of the Chinese boys and girls are Young Pioneers (少先队

员). We all Chinese students like (喜欢) the English boy and the American girls, and they like us, too.

We help each other.

( )1. In our class there are forty-three students.

( )2. The twin sisters are from England.

( )3. Joan is twelve, and Tom is thirteen.

( )4. All the students in our class are Young Pioneers.

( )5. We like American and English students.
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单项选择题

禁用阿扑吗啡催吐的毒物是( )。

A．麻醉性镇痛药
B．磷化锌
C．麦角胺
D．麻黄碱
E．有机氟类
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