2019高中英语 Unit 22 Environmental Protection Section Ⅲ 学业分层测评 北师大版选修8.doc

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1、1UnitUnit 2222 EnvironmentalEnvironmental ProtectionProtection SectionSection .单句语法填空1He couldnt make himself _(hear) above the noise of the traffic.2His father sent him to Hainan to see if he could earn his _(live) there.3By no means _ theory be separated from practice.4The boy took _ the toy car,

2、but couldnt put it together again.5Ill answer to your mother _ your safety.6The battle finally brought the war _ an end.7These regions _(witness) continued economic and social development.8In any event, we should carry on _ our research.9Our request for a pay rise was turned _ again.10_ the method,

3、we could confirm the result and give advices for the decision.【答案】 1.heard 2.living 3.can 4.apart 5.for6to 7.have witnessed 8.with 9.down 10.With.完成句子1这个男孩被迫每天干十二个小时的活。The boy _ twelve hours a day.2那人很可能会抓住他的手腕，把刮胡刀夺走。The man would probably _and take the razor away.3你最好当面去说，而不要派某人代表你。Instead of send

4、 somebody _， you have better go and speak in person.4这个规划要立即执行起来。The scheme should _.5他行为愚蠢，因而失去了所有的朋友。He has lost all his friends _.【答案】 1.was made to work 2.seize him by the wrist 3.on your behalf 4.be carried out right away 5.as a result of his foolish behaviour.阅读理解A ABased on new analysis, we a

5、re rapidly approaching major climate change and 2the effects on society and the environment could be quite severe.Geographers predict that within the next eighty years, current world climate zones could shift and some could completely disappear.Polar regions will get colder while tropical regions wi

6、ll get even hotter, forcing animals to migrate (迁徙) north.Climate changes like these could lead to the spread of diseases.Tropical storms and hurricanes will not only increase but may also become more intense.If the changes come too quickly, animal and plant species may not be able to adapt fast eno

7、ugh and could disappear.According to Science Daily, a new study predicts that by the year 2100, many of todays familiar climates will be replaced by climates unknown in todays world.It is urgent that we reduce the risks of these farreaching consequences for the whole world.The planet itself has been

8、 showing signs of change.In 2004, a serious tsunami created by a major earthquake killed thousands in Sumatra and in 2008, thousands died in China because of another severe earthquake.Egypt was hit in 2009 with a major earthquake and Haiti was_devastated in 2010 by yet another massive earthquake.Wit

9、hin just the last few months, new reports from around the world have been coming in and most agree that our climate situation is much worse than previously thought.At this point, it doesnt matter what is causing it, but rather, what can be done about it.Whats more, our world is getting more and more

10、 unstable every year.There is war and threat of war everywhere.Natural disasters are becoming more frequent and serious.However, other planets are experiencing global warming as well as our own and some scientists believe there may be some connection between this.No one knows anything for sure at th

11、is point because there is simply not enough data.【语篇导读】 本文叙述了气候的变化会导致的严重后果如：动物迁徙、地震和海啸。现在导致气候变化的原因不重要了，重要的是我们应该采取措施，应对气候的变化。1Which of the following would be the best title for the Passage ?AWays to protect our planet.BSolutions to climate change.CBe prepared for climate change.DClimate change and it

12、s effects.【解析】 标题确定题。根据文章第一句 Based on new analysis, we are rapidly approaching major climate change and the effects on society and the environment 3could be quite severe.关键词 climate change and the effects。【答案】 D2What is the authors purpose in using the examples of earthquakes?ATo show the damage ear

13、thquakes caused.BTo remind people to prevent future earthquakes.CTo show major changes are taking place on the planet.DTo tell us more earthquakes will happen in the future.【解析】 细节理解题。根据第三段的第三句 The planet itself has been showing signs of change.我们的星球已经表现出变化的迹象。【答案】 C3What does the underlined word “d

14、evastated” in Paragraph 3 mean?ASeparated. BDestroyed.CRemoved.DAffected.【解析】 词义猜测题。根据第三段的最后一句 Egypt was hit in 2009 with a major earthquake and Haiti was devastated in 2010 by yet another massive earthquake.埃及 2009 年发生了大地震，海地 2010 年有一次遭受了大地震，被地震破坏，摧毁。【答案】 B4What can be inferred from the Passage?AAn

15、imals and plants wont die out as long as climate changes slowly.BTheres enough data for us to predict the future of climate change.CThe world is getting more unstable because of animal migration.DThe earth is not the only planet that is experiencing climate change.【解析】 判断推理题。根据最后一段第一句 However, other

16、 planets are experiencing global warming as well as our own 不仅我们的星球而且其他星球都在经历着全球变暖。【答案】 DB BScientists have discovered thirteen kinds of vitamins.They say vitamins help to carry out chemical changes within cells.If we do not get enough of the vitamins we need in our food, we are at risk of developin

17、g a number of diseases.Which foods should be eaten to keep us healthy? Let us look at some important vitamins.Vitamin A helps prevent skin and other tissues from becoming dry.People who 4do not get enough vitamin A cannot see well in darkness.Vitamin A is found in fish liver oil and the yellow part

18、of eggs.Vitamin B1 is also called thiamine.Thiamine changes starchy(含淀粉的)foods into energy.Thiamine is found not just in whole grains like brown rice, but also in beans and peas, nuts, and meat and fish.Vitamin B12 is needed so folic acid can do its work.Together, they help produce red blood cells.F

19、olic acid has been shown to prevent physical problems in babies when taken by their mothers during pregnancy.Vitamin B12 is found naturally in foods like eggs, meat, fish and milk products.Vitamin B12 is found in green leafy vegetables and other foods, like legumes and citrus fruits (柑橘类水果)Vitamin C

20、 is needed for strong bones and teeth.The body stores little vitamin CSo we must get it every day in foods such as citrus fruits, tomatoes and uncooked cabbage.Vitamin D prevents the childrens bone disease rickets (佝偻病)Ultraviolet light from the sun changes a substance in the skin into vitamin DFish

21、 liver oil also contains vitamin D.Vitamin K is needed for healthy blood.It thickens the blood around a cut to stop bleeding.It can also be found in pork products, liver and in vegetables like cabbage, kale and spinach (菠菜)Vitamins are important to our health.A lack of required vitamins can lead to

22、health problems.【语篇解读】 本文为大家介绍了维生素的重要性，并列举了几类维生素。5What is the main idea of the passage?AThere are thirteen kinds of vitamins in total.BOne can not live without enough vitamins.CVitamins can carry out chemical changes within cells.DEnough vitamins are vital to keep healthy.【解析】 主旨大意题。本文为大家介绍了维生素的重要性，

23、并列举了几类维生素。故 D 选项正确。【答案】 D6Women who wish to become mothers should take in _.Avitamin ABvitamin B1Cvitamin B12Dvitamin C5【解析】 细节理解题。根据第四段 Folic acid has been shown to prevent physical problems in babies when taken by their mothers during pregnancy.一句，可知答案选 C。【答案】 C7What can change a substance in the

24、skin into vitamin D?AFish liver oil.BUltraviolet light from the sun.CFresh milk drunk by people.DDoing a certain amount of exercise.【解析】 推理判断题。根据文中 Ultraviolet light from the sun changes a substance in the skin into vitamin D可知紫外线可以促进维生素 D 的形成，故答案B 正确。【答案】 B8According to the passage, taking in enoug

25、h vitamin C can _.Amake our eyesight better Bhelp to stop bleedingCmake our bones and teeth strong Dhelp produce red blood cells【解析】 推理判断题。根据文章 Vitamin C is needed for strong bones and teeth.一句可知，答案 C 正确。【答案】 C.阅读填句Its such a common event that you probably never asked yourself why you sleep._1_In fa

26、ct, for sleep researchers, its one of the biggest unanswered questions in the field.Stop and think about it for a second.Why should we sleep? _2_ But we sleep every night, even when we have had plenty of rest.There are, no doubt, several different answers to this question, but lets just consider one

27、 general purpose of sleep: _3_Human beings are creatures that are normally active during daylight hours, when our senses functions most effectively._4_We cant see objects well, our color vision is entirely lost, and we dont have the smelling or hearing sharpness of other animals.So it actually does

28、make sense to have us stay where we are during the dangerous period when nightwaking animals are walking here and there.And one sure way to make sure we dont fall 6down everywhere and get lost or eaten is to have us not move for seven or eight hours, rising again only when the light is back and our

29、survival chances are better.Its not the only reason we sleep._5_Perhaps even the most important one.AIs it because we get tired?BShould that put human beings in a terrible situation?CBut from a scientific point of view, this is far from an ordinary matter.DBut in terms of evolution, it may have been one of the first reasons.EFurthermore, if you were designing an animal, would you have it come into long periods of unconsciousness every twentyfour hours?FSleep as a survival approach.GAt night, humans do rather poorly.【答案】 15 CAFGD