属于伤寒、副伤寒监测重点人群的措施是A．以病原检测为主，必要

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问题单项选择题

属于伤寒、副伤寒监测重点人群的措施是

A．以病原检测为主，必要时结合血清学方法

B．首先以血清方法检测

C．双份血清检测

D．检测粪便

E．双份粪便检测

答案

参考答案：A

解析：以病原检测为主，必要时结合血清学方法对重点人群进行监测。

阅读理解

阅读理解。

I am a Chinese boy. My name is Li Lei. I am twelve. My sister's name is Li Mei. She's

fourteen.'Li Mei and I are students. We like school.

My mother is a teacher. She teaches English. My father is a policeman (警察). My young

brother's name is Li Hong. He is only four. We all like him.

1. Li Lei is _______.

A. Chinese

B. English .

C. American

2. Li Lei's sister is _______.

A. four

B. twelve

C. fourteen

3. Li Lei's mother and father are_______.

A. student and teacher

B. teacher and policeman

C. all teacher

4._______ like school.

A. Li Mei and Li Lei

B. Li Mei and his mother

C. Li Lei and his father

5. How many brothers does Li Lei have?

A. Three.

B. Two.

C. One.

问答题简答题

商业银行未经批准买卖、代理买卖外汇的，应受到什么处罚？