阅读判断综合.doc

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Passage 1
Earthquake
How does an earthquake start?
What makes an earthquake happen? The rock of the earth's crust (地壳) may have a fault', a kind of break in the surface. The blocks which make up the earth move, and sometimes this may cause the sides of the fault to move up and down or lengthways (纵向地) against each other. When one piece of rock starts to rub on another with great force, a lot of energy is used. This energy is changed into vibrations (振动) and it is these vibrations that we reef as an earthquake. The vibrations can travel thousands of kilometers and so an earthquake in Turkey may be felt in Greece.
 
What to do during an earthquake?
At school
As soon as the earthquake starts, students should get under the desks immediately and wait until the teacher tells them it is safe e out. The teacher should, at the same time, go immediately to the teacher's desk, get underneath (在……下面) it and stay there till the danger is over. Students must not argue with the teacher or question instructions.
 
As soon as the tremors (震动) stop, all students should walk towards the exit and go straight to the school playground or any open space such as a square or a park. They must wait there until the teacher tells them it is safe to go.
 
At home
If you are at home when the earthquake oc