大学六级-1428及答案解析.doc
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1、大学六级-1428 及答案解析(总分:100.00,做题时间:90 分钟)一、Part Listening Com(总题数:0,分数:0.00)二、Section A(总题数:2,分数:10.00)A.Buy something in the Bill supermarket.B.Get money to pay her hill.C.Check to see whether he can pay in cash.D.Get a check for the woman.A.At class.B.Back at home.C.At work.D.In hospital.A.She will he
2、lp him.B.She finished hers two days ago.C.She completed her work very quickly.D.She is still doing the project.A.Angry.B.Hungry.C.Tired.D.Dissatisfied.A.It is not theirs.B.It has some problems.C.It is out of warranty.D.It was stolen.A.She doesnt like picnic.B.It will be too hot.C.She will have an ex
3、am next week.D.The biology class will go to the beach next week.A.It does not concern John.B.John does not care about his ear.C.John will help him fix the car.D.He wants John to fix the car.A.20 miles.B.6 miles.C.14 miles.D.26 miles.A.Its time to urge him to study math.B.He himself should make the d
4、ecision.C.They should help him study math.D.They should leave right now.A.It has linen published.B.It has been thrown out as junk.C.It has been deleted front the computer.D.The woman cannot get it any longer.三、Section B(总题数:0,分数:0.00)四、Passage One(总题数:1,分数:3.00)A.Soil.B.Human population.C.Forest.D.W
5、ater.A.By using satellite images, maps, etc.B.By studying specific farming methods.C.By studying the variation of human population.D.By analyzing the quality of crops.A.By forcing them farming.B.By affecting the quality of soils.C.By adding chemicals and pollute the waterways.D.By affecting the envi
6、ronments they live in.五、Passage Two(总题数:1,分数:3.00)A.To estimate the extreme weather.B.To develop the satellite technology.C.To improve agricultural output.D.To learn how to change information to maps more efficiently.A.By turning the intensity of sunshine into maps.B.By analyzing the recent weather
7、report.C.By capturing the microwave radiation from the soil.D.By analyzing information provided by ground observation centers.A.Acquire information from satellites more efficiently.B.To realize full coverage of area the satellite passes over.C.Building more ground observation centers.D.Compare satel
8、lites information with those from ground.六、Passage Three(总题数:1,分数:4.00)A.Call on people to protect sharks.B.Point out the living environment of sharks.C.Explain why the sharks are dangerous.D.An introduction to sharks.A.By good sense of water waves made by quarries.B.By good sense of smell and elect
9、rical magnetic power.C.By good sense of light.D.By good sense of blood.A.Bone structure.B.Smell ability.C.Birth mode.D.Recover ability against disease.A.Their tasty meat.B.The principle of their defense system against disease.C.Their solid skin.D.The principle of their birth modes.七、Part Reading Com
10、pr(总题数:0,分数:0.00)八、Passage One(总题数:5,分数:10.00)1.Why computer data become imprecise in 1980s?(分数:2.00)A.The related programs on the computer were out of date.B.More and more people drew water directly from the lake for drink.C.A heavy rain happened around 1980.D.The irrigation from the source water i
11、ncreases.2.Which of the following is true according to this passage?(分数:2.00)A.Chad Lake located in the middle of Chad in northern Africa.B.The water from Chad water can now only be used for irrigation.C.The area around Chad Lake has suffered from heavy rain lack many decades.D.Population around the
12、 Chad Lake now begins to decrease due to water lack.3.What did people do to solve the problem of rain lack around Chad Lake?(分数:2.00)A.They moved out of this area.B.They drew water from Lake Chad.C.They carried water from other areas.D.They utilize seawater near this area.4.What is scientists attitu
13、de towards the future of Chad Lake?(分数:2.00)A.Pessimism.B.Hopeful.C.Indifferent.D.Doubtful.5.What is this passage mainly about?(分数:2.00)A.Demonstrating the serious weather condition around Lake Chad.B.Introducing peoples activity around Lake Chad.C.Analyzing of the factors that cause water decreases
14、 in Lake Chad.D.Introducing scientists work about water condition in Lake Chad.九、Passage Two(总题数:5,分数:10.00)6.What happened to the leaves falling from the trees in the second study?(分数:2.00)A.They broke down and the main parts turned into oxygen.B.They broke down and the carbon content had mainly tu
15、rned into carbon dioxide.C.They broke down and the carbon content was mainly absorbed in the soil.D.They absorbed more carbon dioxide.7.What is the purpose of this passage?(分数:2.00)A.Introduce some new ideas about the relationship between trees and carbon dioxide.B.Introduce recent condition of glob
16、al industrial pollution.C.Call on people to plant more trees to reduce greenhouse gases.D.Point out that power companies should be responsible for the rising levels of carbon dioxide.8.Why researchers put trees in extra carbon dioxide in the first study?(分数:2.00)A.To learn whether trees can still ab
17、sorb carbon dioxide under extreme conditions.B.To get more oxygen from these trees.C.To evaluate the maximum carbon dioxide that trees can absorb.D.To see the growth rate of these trees.9.The word “it“ (Line 7, Para. 6) probably refers to _.(分数:2.00)A.carbon dioxideB.nitrogenC.atmosphereD.coal10.Sci
18、entist Ram Oren is of the opinion that common beliefs of the trees ability to absorb carbon dioxide are _.(分数:2.00)A.biasedB.insightfulC.overoptimisticD.totally wrong十、Passage Three(总题数:5,分数:10.00)11.Where is this article likely to be excerpted from?(分数:2.00)A.Biology textbook.B.Scientific report.C.
19、Science fiction.D.Essay.12.The word “passage“ (Line 2, Para. 8) means _.(分数:2.00)A.gateB.channelC.crossD.paragraph13.One advantage with Nostrils high on the head is to _.(分数:2.00)A.use sense of smell more efficientlyB.help them move fast and alertC.enable them to find more foodD.help them live under
20、 water more easily14.Which of the following may not be a reason why Professor Witmer studies crocodiles and lizards in his experiments?(分数:2.00)A.They are close relatives to dinosaurs.B.Their soft tissues survive as fossil remains.C.Their soft tissues have similar traits with dinosaurs.D.He cannot f
21、ind living dinosaurs.15.What does “this information“ (in paragraph 7) refer to?(分数:2.00)A.Soft tissues.B.Bone.C.Markings.D.Nose.十一、Passage Four(总题数:5,分数:10.00)16.The committee report of National Academy of Sciences in Washington reveal that _.(分数:2.00)A.ice from Antarctica and Greenland is appropria
22、te to show the changeB.carbon dioxide is released mainly from the fuelC.level of carbon dioxide increases with global temperaturesD.carbon dioxide is helpful for tree growth17.Those studies carried out in North Carolina suggest that _.(分数:2.00)A.trees function for absorbing carbon dioxide is limited
23、B.carbon dioxide is the main cause for global warmingC.leaves falling from trees can emit more oxygenD.more carbon dioxide is beneficial for trees growth for many decades18.The word “issue“ in the last paragraph can be replaced as _.(分数:2.00)A.organB.topicC.publicationD.result19.Which one is NOT men
24、tioned in this passage that can be the source of carbon dioxide?(分数:2.00)A.Oil.B.Trees.C.Wood.D.Soil.20.According to this passage, those people disagree with the control of carbon dioxide because(分数:2.00)A.they think that carbon is beneficial for plant growthB.they want to use more fuels that can em
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