1、Lesson 2Protecting the Sea一、根据句意和首字母提示补全句子,使句子完整正确1Something must be done to prevent our city from being p by thick smoke.答案polluted2The b on smoking has come into effectless people smoke in public now.答案ban3The train went slower and slower until it stopped a.答案altogether4A new man was appointed to
2、h the crisis.答案handle5When p a speech in public,dont be nervous.答案presenting6When we say someone is i,we are praising him/her as a wise one.答案intelligent二、用所给单词的适当形式填空1Sydney had five strategies:save energy,save water,reduce trash,prevent (pollute),and protect the environment.答案pollution2Modern (ind
3、ustry)civilisations make good use of time,energy and resources.答案industrial3More than 70% of the land is used for (agricultural).答案agriculture4Plants can defend themselves by using both physical and (chemistry) means.答案chemical5It looks as if their core business is a (solve) to a non-existent proble
4、m.答案solution6Many reading disorders seem to have nothing to do with (intelligent).答案intelligence7Nowadays,almost every (explore) uses the Global Positioning System(GPS)to make his journey safer.答案explorer三、句型转换1Tony Smith was appointed to deal with the problem.Tony Smith was appointed the problem.答案
5、to handle2He earns his living by growing rice.He by growing rice.答案makes a living3We do not have any more information at the present time.We have more information .答案no;at present4He is very interested in sea animals.He in sea animals.答案has/shows great interest5There were two doctors and three nurse
6、s in the room in all.There were two doctors and three nurses in the room .答案altogether四、从括号中选用合适的短语填空,注意其形式(其中有一项是多余的)show interestdeal withmake a livingfind outsound likemake notesmake sure1My uncle by repairing second-hand cars.答案makes a living2He tried the truth.答案to find out3 you close all the l
7、ights before you leave.答案Make sure4What she said a great idea to me.答案sounds like5Please tell me how you your broken bicycle that day.答案dealt with6John and his partner are good at in class.答案making notes五、从方框中选择适当的句子填入对话A.Oh,really?B.Whats interesting about it?C.Whats the next?D.Can a horse live in
8、the sea?E.It sounds like a horse,but it isnt.A:What are you going to do this weekend?B:Im going to visit the aquarium.Im interested in sea animals.A:1.B:Yes.And what I most like is the seahorse.A:The seahorse?2.B:Oh,no.A seahorse is a kind of sea animals,which cant be ridden.It lives in the sea.A:I
9、see.3.B:First,as you know,its name is very interesting.4.A:5.B:Of course,its very intelligent.答案15 ADBEC六、阅读理解(导学号58030001)Ocean Noise PollutionSome scientists say that animals in the ocean are increasingly threatened by noise pollution caused by human beings.The noise that affects sea creatures com
10、es from a number of human activities.It is caused mainly by industrial underwater explosions,ocean drilling,and ship engines.Such noises are added to natural sounds.These sounds include the breaking of ice fields,underwater earthquakes,and sounds made by animals themselves.Decibels(分贝)measured in wa
11、ter are different from those measured on land.A noise of 120 decibels on land causes pain to human ears.In water,a decibel level of 195 would have the same effect.Some scientists have proposed setting a noise limit of 120 decibels in oceans.They have observed that noises above that level can frighte
12、n and confuse whales.A team of American and Canadian scientists discovered 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 inf
13、ormation and find their way.Some of the whales even died.The explosions had caused their ears to bleed(流血) and become infected(感染).Many researchers whose work depends on ocean sounds object to a limit of 120 decibels.They say such a limit is a greater danger than they believed.They want to prevent n
14、oises from harming creatures in the ocean.1According to the passage,which of the following is increasingly dangerous to sea creatures?A.The sound of a car. B.The sound of voices.C.Man-made noise pollution.D.The sound of steps.答案C解析由第一段可知,人类活动制造的噪音污染正日益对海洋生物产生危害。2According to the passage,natural soun
15、ds include all of the following EXCEPT .A.sounds made by animals themselvesB.ocean drillingC.underwater earthquakesD.the breaking of ice fields答案B解析由第二段可知,ocean drilling属于man-made noise。3Which of the following is true of whales?A.They wont be confused by noises.B.They are deaf to noises.C.Their abil
16、ity to reproduce will be lowered by high-level noises.D.Their hearing will be damaged by high-level noises.答案D解析由第五段中的“.were causing whales in the area to lose their hearing.”可知,高分贝的声音会损伤鲸鱼的听力。4According to the passage,what will scientists most probably do in the future?A.They will work hard to redu
17、ce ocean noise pollution.B.They will protect animals from harmful noises.C.They will try to set a limit of 120 decibels.D.They will study the effect of ocean noise pollution.答案B解析由最后一段可知,科学家们想要努力保护海洋生物免受噪音的伤害。七、七选五阅读理解根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。There are a lot of things you can do to h
18、elp in your community,whether its with your moms chores(家务活),or if a friend is upset.1.a.Try to offer first.When people need your help,theyll most likely ask you first,but if you have the chance,try to offer to help before they ask you.2.Put yourself in someone elses shoes.It can show people that yo
19、u really care about someone.b.3.Being in charitable organisations is a great way to help the less fortunate,like donating food or money to the poor.c.Listen.You obviously cant know what you need to do if youre not even paying attention.Plus,people arent going to rely on you very much if you act like
20、 you dont even care what theyre saying.d.4.More people will feel more miserable(痛苦的) if you just leave them when they need you,and you dont want to see people unhappy,do you?Dont stress yourself too much,but its always nice to lend a hand.e.Observe.Find out what a certain person might like.For examp
21、le:he is always folding up paper.You can buy an origami set(折纸设置) and teach him your tricks.5. Try spending time with him to play games or play cards.A.Volunteer or donate.B.Or he seems bored a lot.C.This will show that you are willing to help from the start.D.Try your best to help others when they are in great need.E.Think about what might happen if you dont help them.F.It will help you to understand the importance of helping others.G.Here are some little things you can do to reach out to other people.答案15 GCAEB