题目内容：

根据短文内容及汉语提示补全短文

Every 30 seconds there is an earthquake. Please be 1. (镇静的) because most are so weak that they can’t be felt. But a few big ones hurt people. Here are some tips on how to stay 2. (安全的) in an earthquake.

If you are indoors during an earthquake, hide 3. (在下面) a desk. Stay away from 4. (窗户) and anything that could fall on you.

If you are outdoors, move to a 5. (畅通无阻的) place. 6. (设法，努力) to be away from trees, signs, buildings and streetlights (路灯). These could drop on you.

If you are 7. (在……里面) a shop, don’t try to run outside and rush for exits. Everyone will be doing that and you’ll find it hard to get out. Don’t get into a 8. (电梯) during an earthquake. Just hide under some strong covers near you.

If you are at home and you smell gas, be 9. (勇敢的) and get out of the building as quickly as you can. A gas line in your house may be 10. (坏的). This could be very dangerous.