Unit22 Period Three Lesson 3 Natural Disasters练习 北师大版选修8.docVIP

Period Three　Lesson 3　Natural Disasters 基础落实 Ⅰ.课文缩写 Nature is turning on us The last few years have seen environmental disasters 1.________ a grand scale，and experts are predicting far worse to come.Jin Li reports on our Earth’s changeable weather patterns. In the last decade，thunderstorms，floods，earthquakes，typhoons，tsunamis and etc.have become 2.________(increase) common.Reduced rainfall has affected large areas of Africa for years,3.________(leave) irrigation canals dry.A number of nations have already been in armed conflict over water. Volcanic eruptions and earthquakes have always been a threat in certain parts of the world.Indonesia has had 4.________ rough time,5.________(suffer) several killer quakes.Why is nature beginning to turn on 6.________？ One answer is overpopulation.People in agricultural areas，7.________ any means to earn their living，move to the cities，and then construct shabby homes from 8.________ materials they can find on poor clay soil.These homes，seldom made of bricks，can easily fall down in earthquakes or slip and slide downhill in landslides，especially in mountainous areas. Most disaster experts believe there is the potential 9.________ things could get a lot 10.________(bad)．Professor Hou Ming，of Beijing University studies volcanoes and he warns that the world has not seen the worst nature can do. Ⅱ.单词检测 1．n.规模，范围________；地震________；雷暴，雷雨________；台风________；方法________；分离________；砖块________；尘土，灰尘________；降雨量________；灌溉________；可能性，潜在性________ 2．v.武装________；建造________；滑落________；滑行________；(平稳地)移动，滚动________；逃走________ 3．adj.巨大的________；多变的________；艰难的________；多山的________；在近海岸的________ Ⅲ.短语检测 1．导致________________ 2．谋生________________ 3．预先________________ 4．恢复________________ 5．抹去________________ Ⅳ.语境填词 1．You’d better take various clothes in such c________ weather. 2．A________ forces are defending our country. 3．Earthquake is one of the most terrible c________ on the earth. 4．After s________ last year，we’ve never seen each other. 5．Look！The