阅读理解
According to a new Ministry of Education (教育部) survey, student safety has become a big
problem. Nearly 50 percent of students say they are worried about robbery on the way to and from
school. Now in many big cities in China, some school has taught an unusual lesson: self - protection
(自我保护). Students like this lesson as there are no exams or boring classes. And they can learn how
to save lives and know how to stop danger before it really happens.
Chen Haoyu, a teacher at Beijing No. 25 Middle School and a self - protection expert, gives young
students advice on how to 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.
If you are in a traffic accident
If you are hurt by a car, take down the car number; if it is a bicycle, try to contact your parents
before you let the rider go. This is because you don't know how seriously you are hurt.
If it is raining hard and there is lightning
Don't stay in high places and keep away from trees.
When there is a fire
Get away as fast as you can .Put wet things on your body and try and find an exit. Do not take the
lift!
If someone is drowning(溺水)
If you can't swim, don't get into the water. Cry out for help.
Remember that danger is never as far away as you think. Take care of yourself at all times!
1. Why do students like the self - protection lesson?
A. Because there is advice on exams.
B. Because they can learn how to protect themselves.
C. Because they like self - protection experts.
D. Because they are free to do anything during the lesson.
2. The underlined word "contact" means _______.
A. end up
B. wait for
C. search for
D. get in touch with
3. If your house is on fire, you must _____.
A. put dry things on your body
B. run quickly and take the lift
C. take everything you have and then run away
D. run away and find an exit as quickly as you can
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4. If you see a child fall into the river, but you can't swim, you_______.
A. should telephone the doctor
B. can jump into the river and save him
C. can do nothing
D. should cry out for help
5. What's the best title for this passage?
A. Self- protection
B. How to take care of yourself
C. The popular lesson
D. An interesting lesson
。木箱在轨道顶点时，自动装置将质量为m的货物装入木箱，然后木箱载着货物沿轨道无初速度滑下，当轻弹簧被压缩至最短时，自动卸货装置立刻将货物卸下，然后木箱恰好被弹回到轨道顶端。再重复上述过程。
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