音像播放也是展场秩序管理的一个重要环节，基本要求是务必把音量

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问题单项选择题

音像播放也是展场秩序管理的一个重要环节，基本要求是务必把音量控制在合理范围内，一般是限（）以内。

A..50dB

B.60dB

C..70dB

D.80dB

答案

参考答案：C

选择题

—You _____ be very tired after the long flight.

—Yeah, though I am tired, I feel excited and happy. [ ]

A. must

B. probably

C. can’t

D. can

补全对话，情景问答

根据首字母提示，补全对话。

A: Hi, Mary. You look pretty h 1 !

B: Thank you. I often e 2 .

A: How o 3 do you do sports?

B: About three t 4 a day.

A: What about your food?

B: I try to eat d 5 kinds of vegetables and frurt. Also I d 6 milk every day. But I n 7 drink coffee.

A: Then how m 8 hours do you sleep every night?

B: Nine. I need lots of sleep.

A: Oh, I see. Your good h 9 help you keep in good h 10 .

B: That's right.

1. _________ 2. _________ 3. _________ 4. _________ 5. _________

6. _________ 7. _________ 8. _________ 9. _________10. _________