人教版高中英语选修7高考一轮复习课时作业33Unit 3Under the sea新广东专用

课时作业(三十三)[选修7Unit 3Under the sea]
[限时：30分钟]
Ⅰ.完形填空
Tired and exhausted, I came back home from work. I found the front door was __1__open and I felt a little scared. I looked around__2__to see what could be __3__. Why would someone come into my home only to__4__with nothing? After searching every inch, I realized that everything was where I had left it. No __5__cushions, or drawers emptied out on the carpet. Feeling much __6__，I looked out my oversized window of my dining room at Ms Sullivan's house. Jimmy, the little boy next door, was visiting her. Jimmy cared a lot about Ms Sullivan and was very concerned with her health after she became ill.
Forgetting about the __7__with my front door, I decided to walk over to Ms Sullivan's house to see how she was __8__. With a warm hello, she invited me into her home. I noticed twelve beautiful roses delicately presented on the table next to her bed. They looked exactly like the __9__on my dining room table in front of my oversized window. With a pleasant smile, she told me Jimmy brought them to her as a“get－well gift”. Suddenly Jimmy__10__out of his seat in an instant and said that he had to go home for a while to do some homework but he __11__ to be back to check up on Ms Sullivan.
Talking for a while, I left her home. I thought about how__12__it was for little Jimmy to be so concerned for Ms Sullivan. I got home, laughing at how__13__I was that morning about what had happened over nothing. I walked passed the dining room and noticed my roses__14__in the vase were missing. Without a second __15__，I glanced out the window at Ms Sullivan's house and with a smile on my face I turned off the light in the room and went to sleep.The next morning my door bell rang. I opened the door. Jimmy was there…
1．A.easily B．slowly
C．slightly D．silently
2．A.tensely B．patiently
C．eagerly D．calmly
3．A.burning B．losing
C．lacking D．missing
4．A.get B．deal
C．steal D．leave
5．A.worn B．changed
C．unwashed D．overturned
6．A.eased B．angry
C．surprised D．curious
7．A.accident B．experience
C．incident D．condition
8．A.working B．doing
C．sleeping D．acting
9．mps B．vases
C．roses D．gifts
10．A.stood B．ran
C．stepped D．jumped
11．A.promoted B．promised
C．hoped D．urged
12．A.smart B．sensitive
C．sweet D．thankful
13．A.strange B．nervous
C．careless D．wrong
14．A.growing B．sitting
C．lying D．arranging
15．A.thought B．intention
C．expectation D．delay
Ⅱ.阅读理解
A
Some scientists 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 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 ninety－five 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 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.
16．According to the passage, which of the following is increasingly dangerous to sea creatures?
A．The sound of cars.
B．The sound of voices.
C．Man－made noise pollution.
D．The sound of steps.
17．According to the passage, natural sounds include all of the following EXCEPT________.
A．sounds made by animals themselves
B．ocean drilling
C．underwater earthquakes
D．the breaking of ice fields
18．Which of the following is discussed in the third paragraph?
A．The same noise level produces a different effect on land and in the ocean.
B．Different places may have different types of noises.
C．The decibel is not a suitable unit for measuring underwater noise.
D．Different ocean animals may have different reactions to noises.
19．Which of the following is true of whales?
A．They won't be confused by noises.
B．They are deaf to noises.
C．Their ability to reproduce will be lowered by high－level noises.
D．Their hearing will be damaged by high－level noises.
20．According to the passage, what will scientists most probably do in the future?
A．They will work hard to reduce 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.
B
The sea has always interested man. From it we can get food, minerals, and treasure. For thousands of years, we could sail on it. But we could not go far beneath its surface. Man wants to explore deep into the sea. However，we are not fish. We must breathe air, so we can't stay under the water's 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.
21．On the whole, this passage is about________.
A．special mixtures of gases in deep sea
B．the problems man faces in deep－sea diving
C．air pressure under the surface of sea water
D．a kind of illness that man suffers in the sea
22．A diver's body in deep water________.
A．is under great pressure
B．is just like that of a fish
C．suffers from the bends
D．weighs very little
23．The passage does not say so, but it makes you think that________.
A．deep divers should be in good health
B．divers explore the deep sea only for treasure
C．diving under the water too quickly causes a kind of illness
D．there is a special mixture of gases under the sea
24．Why does a diver get the bends?
A．He tries to do exercise under the water.
B．His diving suit weighs too much.
C．He comes to the surface too quickly.
D．The air in his blood is used up.
25．From the passage we can see that________.
A．the sea began to interest man in the last few years
B．man is not at home deep in the sea
C．all divers will get the bends sooner or later
D．the air in the sea water will kill a diver if he is not careful
答案
课时作业(三十三)
Ⅰ.1.C考查副词辨析。

easily“容易地”；slowly“慢慢地”；slightly“稍微地”；silently“沉默地”。

从下文的I felt a little scared看出，作者家里的门稍微有点开着。

故选C 项。

2．A考查语境。

从文中的I felt a little scared看出，作者有点紧张。

tensely“紧张地”，符合题意。

故选A项。

3．D考查动词辨析。

句子的意思是：作者环顾四周，看看有没有东西丢失。

lose“丢失”，是及物动词；此处应用lost，表被动，不能用losing。

句子的主语是what，故用missing。

4．D考查语境。

此处的意思是“为什么有人会到我的家里不拿东西而离开？”leave“离开”，符合题意。

故选D项。

5．D考查词义辨析。

worn“穿坏的”；changed“改变的”；unwashed“没有洗的”；overturned“倾覆的，弄翻的”。

句意：没有弄翻的垫子，没有……。

故选D项。

6．A考查语境。

作者发现屋子里没有丢东西，感到很放松。

eased“放松的”，符合题意。

故选A项。

7．C考查名词辨析。

accident“偶发事件，事故”；experience“经验，经历”；incident“事件”；condition“条件”。

句意：我忘记了我家前门发生的事情，决定去Ms Sullivan的家看看她怎么样了。

incident符合题意。

故选C项。

8．B考查动词辨析。

此处指身体状况如何，用doing与how搭配。

故选B项。

9．C考查语境。

根据前一句I noticed twelve beautiful roses delicately presented on the table next to her bed.可看出答案。

故选C项。

10．D考查语境。

从下文的in an instant and said that he had to go home for a while to do some homework看出，Jimmy从座位上跳起来。

故选D项。

11．B
12．C考查语境。

句意：我认为小Jimmy这么关心Ms Sullivan，是很高兴的、甜蜜的。

sweet“甜蜜的，幸福的”，符合题意。

故选C项。

13．B考查语境。

从句中的I was that morning about what had happened over nothing 和前面作者看到自己家的门开着可以看出作者开始很紧张。

故选B项。

14．B考查语境。

句意：……花瓶里的玫瑰花不见了。

用动词sitting符合题意。

故选B 项。

15．A考查固定搭配。

句意：作者毫不犹豫地向Ms Sullivan家的窗户看去…… without a second thought“不加思考地，毫不犹豫地”，符合题意。

故选A项。

Ⅱ.A
研究表明，噪音污染引起了海洋生物的危险。

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。

16．C细节理解题。

由第一段Some scientists say that animals in the oceans are increasingly threatened by noise pollution caused by human beings.可知，噪音污染引起了海洋生物的危险。

17．B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不是自然的声音。

18．A
19．D判断推理题。

由第六段The research team found that powerful underwater explosions were causing whales in the area to lose their hearing.可知，水下巨大的爆炸声会使鲸失去听力。

20．B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。

21．B由文章结构可以看出，文章首先点明了海洋对我们人类的重大意义，然后提出了文章要说明的主题：To explore deep water, man faces even more dangers and problems.下文围绕这一主题做了详细的说明。

22．A
23．A潜水员在深水里要承受巨大的压力，浮到水面时，水压骤减，这对人体提出很大的挑战。

由此可以推断从事深水潜水工作的人，身体应该健康(in good health)。

24．C由If the diver rises too quickly…The diver is then suffering from the bends.可知，潜水员得bends的原因是在海水中上升得太快。

25．B从文章内容可以知道，在深海潜水时，人会面临更大的危险和更多的麻烦(more dangers and problems)。

由此可以判断，人在深海是很不舒适的。