2022年高中英语UnitUnderthesea单元综合测试新人教版选修 .pdf
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1、- 1 - Unit 3 Under the sea 答题栏1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 . 阅读理解AAbout 97% of the worlds water is salty and is found in our oceans and seas. But, as we cant drink seawater, how can it be important? Every part of our s
2、eas and oceans contains an amazing number of animals and fish that live at different ocean depths. Most of the different species of animals and fish depend on simple plants for their food. These simple plants called algae (海藻) drift near the surface of the ocean and use sunlight to turn carbon dioxi
3、de and water into food and oxygen. In fact, algae produce over half of the oxygen people breathe. How important seawater is! Each plant or animal in our seas and oceans is an important link in a food chain. The algae are eaten in large amounts by microscopic animals, which are in turn consumed by la
4、rger animals. These food chains are delicately balanced. The bad news about the food chains in the oceans is that they are under threat because of man. People once thought that the oceans were so big that it didnt matter if we dumped rubbish into them or caught huge quantities of fish and whales for
5、 food. But we now know this is not true, and fish stocks in the oceans have started to drop. Thankfully, the world is taking steps to protect the future of our oceans by introducing international agreements to protect marine habitats. Most countries have introduced fishing restrictions to protect fi
6、sh stocks in the oceans, and new techniques are being pioneered to cope with pollution. Finally, the importance of protecting oceans is being made known to more people. This is just the beginning of a long process to protect the oceans for our future. We depend on the oceans for fish which are an im
7、portant part of the human diet. How important seawater is! 1Which of the following is the proper order of the food chain? Asmall animalsalgae microscopic animalslarge animalsman Balgae microscopic animalslarge animalslarger animalsman Csmall animalsalgae large animalsmicroscopic animalsman Dmicrosco
8、pic animalsalgae large animals larger animalsman 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 13 页 - - - - - - - - - - 2 - 2From the passage, we learn that_. Amost fish and sea animals live at the surface of the seas Bit is very difficult to break the balance
9、 of a food chain Cexcessive fishing has caused the decrease in fish stock Dit wont be long before the problems concerning oceans will be solved 3Which of the following is NOT a way being used to protect oceans? AThe use of international agreements. BForbidding fishing to protect fish stocks. CThe us
10、e of new techniques. DRaising peoples awareness of the need to protect oceans. 4What would be the best title of the passage? AThe importance of seawater BLife in the oceans CHow to protect food chains DHow to deal with seawater pollution BSome scientists say that animals in the oceans are increasing
11、ly 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
12、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
13、the same effect. Some scientists have suggested 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 (鲸鱼 ). A team of American and Canadian scientists discovered that louder noises can seriously injure so
14、me 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
15、 infected (被感染的 ). 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页,共 13 页 - - - - - - - - - - 3 - Many researchers whose work depends on ocean sounds are against a limit of one hundred and twenty decibels. They say such a limit would mean an end to important indus
16、trial and scientific research. Scientists do not know how much and what kinds of noises are harmful to ocean animals. However, many scientists dont think that noise is a greater danger than they believed. They want to prevent noises from harming creatures in the ocean. 5According to the passage, whi
17、ch of the following is increasingly dangerous to sea creatures? AThe sound of cars. BThe sound of voices. CMan-made noise pollution. DThe sound of steps. 6 According to the passage, natural sounds include all of the following EXCEPT_. Asounds made by animals themselves Bocean drilling Cunderwater ea
18、rthquakes Dthe breaking of ice fields 7Which 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 right unit (单位 ) for measuring underwater noise.
19、DDifferent ocean animals may have different reactions to noises. 8According to the passage, what will scientists most probably do in the future? AThey 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
20、will study the effect of ocean noise pollution. C Futurologists (未来学家 ) predict that life will probably be very different in 2050. TV channels will have disappeared. Instead, people will choose a program from a “menu ” and a computer will send the programme directly to the television. Today, we can
21、use the World Wide Web to read newspaper stories and see pictures on a computer thousands of kilometers away. By 2050, music, films, programs, newspapers, and books will come to us by computer. Cars will run on new, clean fuels and they will go very fast. Cars will have computers to control the spee
22、d and there wont be any accidents. Today, many cars 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页,共 13 页 - - - - - - - - - - 4 - have computers that tell drivers exactly where they are. By 2050, the computer will control the car and drive it to your destination.
23、 Space planes will take people halfway around the world in 2 hours. Today, the United States Space Shuttle can go into space and land on Earth again. By 2050, space planes will fly all over the world and people will fly from Los Angeles to Tokyo in just two hours. Robots will have replaced people in
24、 factories. Many factories already use robots. Big companies prefer robots they dont ask for pay rises or go on strikes, and they work 24 hours a day. By 2050, we will see robots everywhere in factories, schools, offices, hospitals, shops and homes. Medical technology will have conquered many diseas
25、es. Today, there are electronic devices that connect directly to the brain to help people hear. By 2050, we will be able to help blind and deaf people to see and hear again. Scientists will have discovered how to control genes. Scientists have already produced clones of animals. By 2050, scientists
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