2017--2018学年人教版必修一Unit 4 earthquakes learning about language课时作业
2017--2018学年人教版必修一Unit 4 earthquakes learning about language课时作业第3页

  preparations before a fire starts. Check the fire escape in advance and make sure that you can find __2__ in the dark when lights have failed. Find out __3__ the nearest fire extinguisher (灭火器) is and read the instructions to learn how __4__ (use) it.

  Don't lose your head when a fire breaks out. First, telephone the fire department immediately when __5__ fire just gets started. Take care not to be overcome by smoke, __6__ can kill you quickly. Cover your mouth __7__a wet towel or cloth, and avoid getting into the smoke. Don't get in an elevator, as you may get trapped if the electricity __8__ (fail). If you can not get away __9__ yourself, it is of great importance to hang something out of the window to attract attention as a sign of asking for help.

  In short, if you make preparations before hand and take precautions (预防措施) during the fire, chances are that __10__ will survive in case of a fire if it really breaks out some day.

  答案

  1.extremely 2.it 3.where 4.to use 5.the 6.which

  7.with 8.fails 9.by 10.you

  Ⅴ.短文改错

  Boys and girls,

  May I have your attention, please?

  There will a lecture in our library, at 4:00 on Wednesday afternoon. We are very honour to have invited Professor Tang Wenfang, who has been studied cultural differences in Tsinghua University for many years, in talk about the differences between American and Chinese cultures, that may be quite an interested topic. After a lecture, you are welcome to share your experience in China with everyone else present. Since you have stayed in China for half a year, because you have anything that what puzzles you, it would be great to talk with Mr.Tang. He will be glad to communicate with you. Please be present on time.

  That's all. Thank you.

  答案

Boys and girls,

  May I have your attention, please?

There will a lecture in our library, at 4:00 on Wednesday afternoon. We are very to have invited Professor Tang Wenfang, who has been cultural differences in Tsinghua University for many years, talk about the differences between American and Chinese cultures, may be quite an topic. After lecture, you are welcome to share your in China with everyone else present. Since you have stayed in China for half a year,