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高考资源网() 您身边的高考专家课时作业(三十三)选修7Unit 3 Under the sea限时:30分钟.多项选择1My friend does one thing one day and just the _the next. His behavior is inconsistent.Apositive BalternativeCnegative Dopposite2The workers of the textile mill _ that the trade union leaders be elected from the workshops.Aurged BrelatedCcombined Dadapted3Susans strong love for her country is _ in her recently published poems.Arelieved BreflectedCresponded Drecovered4I was very _when I found that the brake didnt work on my way to the park.Adoubtful BsensitiveCscared Dsympathetic5She saw an advertisement for volunteers at her local gym and as she is interested in the whole area of diet and exercise, she thought she would _.Ahelp out Bhang outCtry out Dhand out6Psychologists are also_ that both language and learning are in some sense social phenomena.Aaware BaccusedCtired Dashamed7Set yourself a _ that you can reasonably hope to achieve which should be not too high nor too low.Apurpose BcauseCreason Dtarget8Before the storm,fishes in the pond usually_ themselves out of the water to get fresh air.Athrow BrunCswim Descape9Is there anyone in your class who_ the car accident that happened in front of our school this morning?Awitnessed BobservedCintroduced Dpredicted10We hadnt planned to meet at that party. In fact,we met there by _ chance.Atrue BrealCsure Dpure.阅读理解ASome scientists say that animals in the ocean 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 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 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 decibel 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 oceans.They have observed that noises at that level can frighten 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 information and find their way.Some of the whales even died.The explosions 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 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.11According to the passage, which of the following is increasingly dangerous to sea creatures?AThe sound of a car.BThe sound of voices.CManmade noise pollution.DThe sound of steps.12According to the passage, natural sounds include all of the following EXCEPT_.Asounds made by animals themselvesBocean drillingCunderwater earthquakes Cthe breaking of ice fields13Which of the following is discussed in the third paragraph?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.14According to the passage, what will scientists most probably do in the future?A. They will work hard to reduce ocean noise pollution.BThey will protect animals from harmful noises.CThey will try to set a limit of 120 decibels.DThey will study the effect of ocean noise pollution.BThe sea has always interested man.From it he can get food, minerals, and treasure.For thousands of years, he could sail on it.But he could not go far beneath its surface.Man wants to explore deep into the sea.However, he is not a fish.He must breathe air, so he cant stay under the waters surface for any length of time.To explore deep water, man faces even more dangers and problems.A diver who wants to stay under water for more than a few minutes must breathe air or a special mixture of gases.He can wear a diving suit and have air pumped to him from above.He can carry a tank of air on his back and breathe through a nose and a mouthpiece.Water weighs 800 times as much as air.Tons of water pushes against a diver deep in the sea.His body is under great pressure.When a diver is under great pressure, his blood takes in some of the gases he breathes.As he rises to surface, the water pressure becomes less.If the diver rises too quickly, the gases in his blood form bubbles.The diver is then suffering from the bends.The bends can cause a diver to double up in pain.They can even kill him.15On the whole, this passage is about _.Aspecial mixtures of gases in deep seaBthe problems man faces in deepsea divingCair pressure under the surface of sea water Da kind of illness that man suffers in the sea16A divers body in deep water _.Ais under great pressureBis just like that of a fishCsuffers from the bendsDweighs very little17The passage does not say so, but it makes you think that _.Adeepdivers should be in good healthBdivers explore the deep sea only for treasureCdiving under the water too quickly causes a kind of illnessDthere is a special mixture of gases under the sea18From the passage we can see that _.Athe sea began to interest man a few years agoBman is not at home deep in the seaCall divers will get the bends sooner or laterDthe air in the sea water will kill a diver if he is not careful.完成句子阅读下列各小题,根据每句后的汉语提示,用句末括号内的英语单词完成句子。19Having no choice but_, she felt hopeless.(let)她觉得很绝望,除了气得大叫外没有别的办法。20If you dont do something about the accident, there_here. (about)如果你不处理这个事故的话,这儿马上就会交通堵塞。21Seeing such extraordinary beauty made _. (cell)看到如此绝妙的美景让我周身的每个细胞都苏醒了。22No one likes anyone to come into his room _.(ask)没人喜欢别人未经允许进入他的房间。23_by a pack of killer whales became terribly wounded. (attack)一头受到一群虎鲸攻击的鲸严重受伤。24You must stop Tom_, which might hurt him. (take)你必须阻止汤姆出现在公众面前,这可能会伤害到他。25Our suggestions, _our studies, will be discussed next week. (aim)旨在提高我们学习的提议将会在下周讨论。26_, James was struggling to grab the edge of the boat. (terrify)害怕被冲走,詹姆斯努力抓住船沿。27_“Well done” as I last ran to the finishing line.(there)当我最终冲向终点线的时候,大家都欢呼着“干得好”。28The rescue team were working hard, trying to find more people_. (trap)救援队辛苦工作,试图找到更多被困在废墟中的人。答案课时作业(三十三).1.D考查形容词词义辨析。句意:我的朋友做起事来,今天这样,明天那样,其行为前后不一致。opposite相反的;positive肯定的;alternative供选择的;negative否定的。2A考查动词词义辨析。句意:纺织厂的工人们要求工会领导要从车间中选出。urge意为 “要求”,符合句意表达。relate与相关; combine 结合;adapt使适应。在这四个选项中,只有urge后面的宾语从句中的谓语动词能用动词原形来表示虚拟语气。3B考查动词词义辨析。句意:苏珊对国家的热爱在她最近出版的诗歌中反映了出来。感情应该通过诗歌来反映,所以选reflect(反映)。relieve减轻;respond应答; recover恢复。4C考查形容词词义辨析。句意:在我去公园的路上,当发现车子刹车失灵时,我非常害怕。scared意为“恐惧的,害怕的”,符合句意表达。doubtful怀疑的; sensitive敏感的;sympathetic同情的。5A考查动词短语辨析。语境表达“她想成为志愿者去帮忙”,故选择A项。help out 此处相当于不及物动词,意为“帮忙”。6A考查形容词词义辨析。be aware that意识到。句意:心理学家也意识到,语言和学习在某种意义上来说都是社会现象。7D考查名词词义辨析。句意:给自己制定一个合理的有望实现的目标,既不能过高,又不能过低。target目标,符合句意。purpose目的;cause起因,事业;reason原因。8A考查动词词义辨析。句意:暴风雨来临之前,池塘里的鱼儿通常要跃出水面呼吸新鲜空气。throw themselves out of the water在此意为“跃出水面”。9A考查动词词义辨析。witness意为“目击,当场见到”。句意:你们班有人目击了今早发生在我们校门口的车祸吗?observe观察;introduce介绍;predict预言,预告。10D考查形容词词义辨析。pure意为“完全的,纯粹的”,by pure chance常用作习惯搭配,意为“纯属偶然”。句意:我们并没有计划在聚会上碰面。事实上,我们在那里碰面纯属偶然。true真实的;real真的;sure肯定的。.A研究表明,噪声污染对海洋生物带来了危险,科学家将来要采取措施拯救海洋生物,阻止噪音对海洋生物的伤害。11C细节理解题。由第一段Some scientists say that animals in the ocean are increasingly threatened by noise pollution caused by human beings.可知,来自人类的噪声污染对海洋生物带来了危险。12B细节理解题。由第二段These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves.可知,ocean drilling不是自然界的声音。13A细节理解题。由第三段可知,同样分贝的噪音对海洋和陆地产生的影响不同。14B判断推理题。由文章的最后一句话They want to prevent noises from harming creatures in the ocean.可知,科学家将来要采取措施阻止噪音对海洋生物的伤害。B自古以来,海底丰富的资源一直吸引着人类。然而,从事深水潜水探索,却不是一件轻松的工作。本文向我们介绍的就是深水潜水员所面临的困难和挑战。15B主旨大意题。由文
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