题目内容：

单词拼写。根据短文内容及首字母提示，填写所缺单词。

Many earthquakes happen every year. Some of these earthquakes are very strong. When they happen in cities, they can be very 1.(严重的).

Many people will be hurt or die in the earthquakes. Knowing some ways to protect yourself will help to keep you safe in the earthquake.

If you are indoors when the earthquake happens, the safest place is u2.a strong table or desk. Sitting on the floor in a doorway or close to a wall is safer than standing in the middle of a room. Remember to protect your head and neck with your arms. Stay away from windows, tall furniture and pictures or anything that may fall on you. Do not try to run out of the building.

If you are out of doors, move to clear areas. Get away from buildings and trees. Be very c3. of fallen power lines.

The danger is not over when the strong 4. (摇动) stops. There will be some shocks after most earthquakes. We call them aftershocks and they sometimes can be more dangerous than the first earthquake.

When it is safe for you to move around, check the people near you. Some may need help. You may feel afraid, but you should try to stay c5.

That is the most important thing to do in the earthquake.