詹天佑是船政学堂第（）届学生。A、2； B、4； C、6； D、8_爱下问搜题

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问题单项选择题

詹天佑是船政学堂第（）届学生。

A、2；

B、4；

C、6；

D、8

答案

参考答案：D

阅读理解

阅读上面的材料, 完成下列句子。( 每空一词)

Here are reports of three attacks (攻击). Three swimmers were attacked by sharks (鲨鱼) because
they didn't obey (遵守) the safety rules for swimmers.

Rules for swimmers:
1. Don't swim at night.
2. You are more likely to be attacked in warm water.
3. Sharks are attacking by blood (血). Don't swim with an open cut(划口).
4. It's best to wear a swimming suit to match (与……相配) your skin colour. Sharks can see colours.
5. If you see a shark, don't be nervous. Try to swim quietly, with even (平稳的) strokes (划水动作).

     Report 1: Colin was swimming with two friends very late at night. He was attacked by a shark and
died.
     Report 2: Ann was a very good swimmer. She bought a new bright red swimming suit. She was
swimming with some friends when a shark attacked her.
     Report 3: Jack was on holiday in Australia. He cut his foot on the beach. He went swimming the
same day and got attacked.

1. Colin was attacked by a shark and died because he was swimming with two friends very
late at ________.
2. It's not a good idea to wear a ________ red swimming suit like Ann, because sharks can see colours.
3. You mustn't go swimming with an open _________.
4. If you see a shark, try to swim ________, with even strokes.
5. You can be _________ only if (只要) you obey the safety rules for swimmers.

单项选择题

对于长条状或长卷状、大件、不规则物品适合什么货架存放（）。

A、托盘货架

B、轻型货架

C、旋转式货架

D、悬臂式货架