2020-2021学年人教版英语选修6同步课时作业： UNIT 5 THE POWER OF NATURE PERIOD III USING LANGUAGE WORD版含答案.doc

1、Unit 5 Period III Using Language一、1.The request for money made them feel _(不安的). 2.The building has a wide and _(各式各样的)variety of antiques. 3.But if you keep still, the dog sees no _(威胁)in you and will not attack.4.Most of them voted against the _(候选人) of president of the club. 5.A family break allo

2、ws you to spend _(珍贵的)time together. 6.The woman hurried to the train station, only (find) her husband had left.7.We found the rich variety of animal species was very (impress).8.He believes (absolute) that a man with preparation will succeed sooner or later.9.The big fire lasted nearly two days, (l

3、eave) nothing valuable.10.The storm left, (cause) a lot of damage to this area.二、 A tsunami is a series of ocean waves that sends surges(汹涌)of water, sometimes reaching heights of over 100 feet, onto land. These walls of water can cause widespread destruction when they crash ashore. These fear-inspi

4、ring waves are typically caused by large, undersea earthquakes at plate boundaries. When the ocean floor at a plate boundary rises or falls suddenly, it displaces the water above it and launches the rolling waves that will become a tsunami. Tsunamis may also be caused by underwater landslides(山崩)or

5、volcanic eruptions. They may even be launched, as they frequently were in Earths ancient past, by the impact of a large meteorite(限石)throwing into an ocean. Tsunamis race across the sea at up to 500 miles an hour about as fast as a jet airplane. At that pace they can cross the entire expanse of the

6、Pacific Ocean in less than a day. And their long wavelengths mean they lose very little energy along the way. In deep oceans, tsunami waves may appear only a foot or so high. But as they approach shoreline and enter shallower water, they slow down and begin to grow in energy and height. The tops of

7、the waves move faster than their bottoms do, which causes them to rise steeply. A tsunami is usually composed of a series of waves, called a wave train, so its destructive force may be increased as successive waves reach shore. People experiencing a tsunami should remember that the danger may not ha

8、ve passed with the first wave and should await official word that it is safe to return to vulnerable locations. Some tsunamis do not appear on shore as massive breaking waves but instead as a quickly surging tide that floods coastal areas. The best defense against any tsunami is early warning that a

9、llows people to look for higher ground.1.Which of the following may not cause a tsunami?A.A sudden big landslide underwater.B.An underwater earthquake.C.The eruption of an underwater volcano.D.The falling of a jet plane into the ocean.2. From the text, we can infer that . A.in the ancient times, the

10、 fallen meteorite often caused a tsunamiB.a tsunami will become weaker and weaker as it moves onC.once a tsunami breaks out, it usually comes one after anotherD.a tsunami can always be predicted ahead of time3.The correct description of a tsunami is .A.it appears on shore like massive breaking waves

11、B.it moves faster as it enters shallow waterC.it can move at a speed of 500 miles per minuteD.it is as high as a foot or more than 100 feet4.Sometimes a tsunami is called a wave train because .A.it is as long as a train when it comes to the shoreB.it moves faster and faster like a trainC.it has more

12、 than one wave when it breaks outD.it slows down when it comes near the shore line三、请根据下面的提示写一篇短文，介绍飓风的一些基本知识。要求：1.词数100左右； 2.可适当增加细节,以使行文连贯。飓风发生的时间多数出现在夏季与人类的关系可以给很多地区带来充足的雨水，与人类生活关系密切对人类的影响1.飓风具有突发性强、破坏力大的特点，是世界上最严重的自然灾害之一2.飓风所引起的暴雨会造成洪涝灾害，淹没城镇和农田，造成大量人员伤亡和财产损失政府的做法_答案以及解析一、1.答案：uncomfortable2.答案：

13、diverse3.答案：threat4.答案：candidate5.答案：precious6.答案：客观填空 to find解析：考查非谓语动词。句意:这个妇女匆匆忙忙赶到火车站,结果发现她的丈夫已经离开了。这里考查only +动词不定式作结果状语,表示出乎意料的结果。 7.答案：客观填空 impressive解析：考查词形转换。句意:我们发现动物种类的丰富多样给人印象非常深刻。此处需要形容词作表语。 8.答案：客观填空 absolutely解析：考查词形转换。句意:他确信一个有准备的人早晚会成功。修饰动词需用副词。 9.答案： leaving解析：考查现在分词作结果状语。句意:大火持续了近两

14、天,没剩下什么有价值的东西。这里leaving作结果状语。 10.答案：客观填空 causing解析：考查现在分词。句意:暴风雨过后,它给这个地区造成了很多破坏。此处应用现在分词作结果状语。 二、答案：1.D; 2.A; 3.D; 4.C解析：1.细节理解题。结合第二段的第一句话和第三段的第一句话可知,A、B、C三项都能引起海啸,而D项文中没有提及。2.推理判断题。从第三段可知,在远古时期,由于陨石的降落而造成的海啸是经常性的,所以推出结论A。3.细节理解题。根据第一段的“sometimes reaching heights of over 100 feet”和第五段的“tsunami wav

15、es may appear only a foot or so high”可知选D。4.细节理解题。从第六段的“A tsunami is usually composed of a series of waves,called a wave train”可知,海啸的波浪是一系列的,所以不止一个海浪,所以选C三、答案： Hurricanes, which most frequently happen during summer, have a close relationship with human beings, since they bring enough rainfall to man

16、y places. However, as one of the most destructive natural disasters, hurricanes have also brought quite a lot of damage. Usually, hurricanes happen in a sudden way and theyre very destructive. Whats worse, when a district is hit by a hurricane, its towns and crops will be flooded due to the heavy rainfall, which will in turn cause a heavy loss to peoples lives and property.To protect peoples lives and property, the government should take effective measures.