简述压缩的原则。

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问题:

简述压缩的原则。

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阅读表达

阅读短文,根据要求完成下面各小题。

According to a new survey, students’ safety has become a big problem. Nearly 50% of students say they are worried about robbery on the way to and from school. Now in many big cities in China, some schools have taught an unusual lesson: self-protection. Students like this lesson because there are no exams or boring classes. 77① _____________Chen Haoyu, a teacher at Beijing No. 25 Middle School, gives young students advice on how they should deal with danger.

If you are robbed

Keep calm. If you cannot cry for help or run away, give the robber your money. Try to remember what the robber looks like and tell the police later.

If you are in a traffic accident

If a car hurts you, you should remember the car number. If it is a bicycle, try to call your parents before you let the rider go. 77②_____________.

If it is raining hard and there is lightning

Don’t stay in high places and stay away from trees.

When there is a fire

Get away as fast as you can. Put wet things on your body and try to find an exit. Do not take the lift.

If someone is drowning

If you can’t swim, don’t get into the water. Cry out for help.

78 Remember that danger is never as far away as you think. Take care of yourself at all times!

小题1:How many suggestions for dealing with danger did Chen Haoyu give?

_________________________________________

小题2:请从A、B、C中为77①、②选择合适的选项,并将其字母序号分别填在下面的横线上。

A. This is because you don’t know how seriously you are hurt.

B. It is important to protect you from being hurt.

C. And they can learn how to save lives and know how to stop danger before it really happens.

① _____ ② _____

小题3:请把划线部分的句子翻译成汉语。

______________________________________________________________

小题4:What should you do when there is a fire?

_____________________________________________________________

小题5:请为本文拟一个合适的标题。

______________________________________________________________

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