《【广东专用】2014届高考英语一轮复习 课时作业(三十三) Unit3 Under the sea 新人教版选修7.doc》由会员分享，可在线阅读，更多相关《【广东专用】2014届高考英语一轮复习 课时作业(三十三) Unit3 Under the sea 新人教版选修7.doc（6页珍藏版）》请在金锄头文库上搜索。
1、 课时作业(三十三)选修7Unit 3Under the sea(限时：30分钟) .完形填空A couple of years ago, when my son was just learning to walk, I found myself at the local Sunday boot fair. My son and I were _1_ up and down the field, when we saw a table that had some toy cars on. I said to my little boy that since he had been such a
2、 good boy, he could _2_ one of the 50p cars and I would buy it for him.After some time, he chose a car and it was only when I went to _3_ that I realized that I had 46p or a 10 note. I _4_ to pay with the 10 and the lady asked if I had anything _5_. I tipped out the 46p into my _6_ and said that it
3、was all the change that I had. The lady at the stall only gave me a glance as I held it out to her, with an apologetic look on my face, and shook her head and _7_ to talk to another customer.I was shocked at her _8_. With a sinking heart, I _9_ to my boy and started to try to explain to him. _10_， h
4、e burst into floods of tears. Just as he had calmed down and had taken my hand to walk off, an elderly lady _11_ my arm. She said, “Excuse me, I couldnt believe how rude that lady was to you and your son and saw how _12_ your son was when you said that he couldnt have the car he had chosen and so I
5、_13_ it for him.”My son _14_ stopped crying and smiled at her as she handed him the car. I was speechless and burst into tears as I was _15_ by this strangers kindness. I couldnt thank her enough.Although the car only cost 50p to her, the unexpected kindness and thoughtfulness of this stranger still
6、 continues to affect my life and my actions today.1A.wandering BrunningCdriving Dlying2A.try BcleanCchoose Dmake3A.rest BmendCsign Dpay4A.tried BmanagedCagreed Dused5A.larger BsmallerCnicer Dsmarter6A.drawer BpocketChand Dwallet7A.had BcontinuedCrefused Dturned8A.thought BspiritCrudeness Dabsence9A.
7、went back Bbent downCclimbed up Dlooked forward10A.Obviously BProudlyCMercifully DConfidently11A.touched BinjuredChandled Dseparated12A.enjoyable BshamefulCupset Dpatient13A.posted BstoleCfetched Dbought14A.immediately BfatefullyChorribly Dextremely15A.blocked BmovedCdefeated Dchallenged.阅读理解ASome s
8、cientists say that animals in the oceans are increasingly threatened by noise pollution caused by human beings. The noise that affects sea creatures comes from a number of human activities. It is caused mainly by industrial underwater explosions, ocean drilling, and ship engines. Such noises are add
9、ed to natural sounds. These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves. Decibels (分贝) measured in water are different from those measured on land. A noise of one hundred and twenty decibels on land causes pain to human ears. In water, a d
10、ecibel level of one hundred and ninetyfive would have the same effect. Some scientists have proposed setting a noise limit of one hundred and twenty decibels in the oceans. They have observed that noises at that level can frighten and confuse whales. A team of American and Canadian scientists discov
11、ered that louder noises can seriously injure some animals. The research team found that powerful underwater explosions were causing whales in the area to lose their hearing. This seriously affected the whales ability to exchange information and find their way. Some of the whales even died. The explo
12、sions had caused their ears to bleed and become infected. Many researchers whose work depends on ocean sounds object to a limit of one hundred and twenty decibels. They say such a limit would mean an end to important industrial and scientific research. Scientists do not know how much and what kinds
13、of noises are harmful to ocean animals. However, many scientists suspect that noise is a greater danger than they believed. They want to prevent noises from harming creatures in the ocean. 16According to the passage, which of the following is increasingly dangerous to sea creatures?AThe sound of car
14、s.BThe sound of voices.CManmade noise pollution.DThe sound of steps.17According to the passage, natural sounds include all of the following EXCEPT_Asounds made by animals themselvesBocean drillingCunderwater earthquakesDthe breaking of ice fields18Which of the following is discussed in the third par
15、agraph?AThe same noise level produces a different effect on land and in the ocean.BDifferent places may have different types of noises.CThe decibel is not a suitable unit for measuring underwater noise.DDifferent ocean animals may have different reactions to noises.19Which of the following is true of whales?AThey wont be confused by noises.BThey are deaf to noises.CTheir ability to reproduce will be lowered by highlevel noises.DTheir hearing will be damaged by
