每题的备选项中，只有1个最符合题意。 (一) 矿山安全技术在硫

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问题单项选择题

每题的备选项中，只有1个最符合题意。

(一) 矿山安全技术

在硫化氢作业现场，应根据现场作业人员情况配备相应数量的( )和空气补充装置。

A．负压式空气呼吸器

B．便携式光学检测仪

C．正压式空气呼吸器

D．热催化型检测报警仪

答案

参考答案：C

阅读理解

阅读理解。

Jack: Sue! You wear a new coat! It's nice!

Sue: Thank you, Jack. This is my birthday present.(礼物)

Jack: Oh! When is your birthday?

Sue: It's October 1st. It's National Day, too.

Jack: It's great! Who gave (给) this great present to you?

Sue: My mother. I received (收) a lot of presents from my family.

Jack: I think you must be (一定) happy that day.

Sue: Of course, I enjoyed my birthday party very much.

1. What's Sue's birthday present?

A. A new coat.

B. A new watch.

C. A new bike.

2. When is Sue's birthday?

A. Teachers' Day.

B. New Year's Day.

C. National Day.

3. Who gave this present to Sue?

A. Her father.

B. Her brother.

C. Her mother.

4. Is Sue happy on her birthday?

A. No, she isn't.

B. Yes, she is.

C. She is happy.

问答题计算题

某个测题高分组有80%的被试通过，低分组12%的被试通过，其难度是多少