新教材2021-2022学年译林版英语选择性必修第二册练习课件:课时练习 UNIT 3 EXTENDED READING .ppt
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1、九 Unit 3Extended reading&Project【语用训练】.单句语法填空1.His footprints were clearly _(evidence)in the heavy dust.2.Careful _(examine)of the ruins revealed an even earlier temple.3.The farm has changed over to _(organ)methods.4.Nearly a third of the children were _(severe)underweight.5.Im _(anxiety)that we sh
2、ould allow plenty of time.6.If well used,books are the best of all things;if _(abuse),among theworst.evidentexaminationseverelyanxiousabusedorganic7.He showed great courage by admitting on television that he is an_(alcohol).8.The aim of these experiments was to find the connection,if any,between the
3、two _(phenomenon).9.The unrest is getting more violent and more _(widespread).10.A healthy diet should help your body resist _(infect).alcoholicphenomenawidespreadinfection.选词填空date back to,as early as,take the place of,in addition to,according to,beconnected with,up to now,be used to,a variety of,b
4、e recognized as 1._1966,biologists asked the government to consider reintroducingwolves to Yellowstone Park.2._pollution and traffic jams,auto safety is a critical issue indeveloping nations.3.Prices change _supply and demand.4.The caves _early Viking times in about 800 A.D.As early asIn addition to
5、according todate back to5.Nothing can ever _ real love and family togetherness.6.Today he _ a national first-class performer.7.The money raised will _ dig more holes to pump water into the dried-up lake.8.That man was suspected to _ the crime.9.People change their mind for _ reasons.10._,I have fini
6、shed two-thirds of the work.take the place ofis recognized asbe used tobe connected witha variety ofUp to now.完成句子1._ she also gained in confidence.随着年龄的增长她的信心也增强了。2._ Toms very good at science,his brother is absolutely hopeless.虽然汤姆很擅长理科,但他的兄弟却绝对没有希望。3.Over the past few years all this _.在过去的几年中这一切都
7、改变了。As she grew olderWhilehas changed4.The new law _ to reduce crime.这条新法规的实行是为了减少犯罪。5.Transport to and from the airport is _ the price.价格中包括往返机场的交通费。was appliedincluded in【主题阅读】.阅读理解(2021海门高二检测)Its fall,and that means some trees are losing their leaves.Many people might see cleaning up all that yar
8、d waste as tiring.But Bryant Liu,13,looked at his leaf-blanketed lawn and saw a potential source of energy.Right now,most people fuel their cars with petrol made from fossil fuels(化石燃料),which are not renewable.So scientists are making biofuels.For example,engineers can produce bioethanola type of al
9、cohol fuelfrom sugars in plants.Turning to dead leaves,however,presents a challenge for biofueldevelopers.Dead leaves have sugar,but they also have lots of lignina tough substance(物质)that strengthens the walls of plant cells.To get to the sugars inside,scientists first have to break down the lignin
10、with chemicals.Bryant wanted to see if he could get sugar for biofuels out of dead leaves bypretreating those leaves with acids or bases(碱).The young researcher gathered upthree garbage bags full of leaves from his yard.Then he went to his fatherslaboratory.He broke the dead leaves into pieces,and t
11、hen carefully loaded equalnumbers of them into test tubes.Afterwards,he added either an acid solution or abase solution at different concentrations to the test tubes.“That was really fun,”Bryant says.“It made me feel like a real scientist.”Finally,the teen found thatpretreating leaves with either an
12、 acid or base encouraged sugar to get out from hisyards leaves.However,he explains,the process is still too expensive.Bryant now wants to take the sugars from his finding to the next stepmaking ethanol.If he could create a better method for producing biofuels,he explains,people would need fewer foss
13、il fuels and“have a renewable energy source for the future”.And,Bryant adds,if people use all those dead leaves for biofuels,he and other kids may have to do less cleaning each fall.【文章大意】这是一篇记叙文。本文主要讲述的是Bryant通过实验,将枯叶用酸和碱处理提取糖,并计划下一步将它们制成生物燃料的故事。1.What does the author intend to do in the first two
14、paragraphs?A.Reflect on Bryants experiences.B.Use examples to support the topic.C.Add some background information.D.Introduce a new topic for discussion.【解析】选C。推理判断题。根据第一段“Its fall,and.saw a potentialsource of energy.”和第二段“Right now,most people fuel their cars with petrolmade from fossil fuels,which
15、 are not renewable.”可推知,作者写第一、二段是为了增加一些背景信息,表明在这样的背景情况下,Bryant想要研发生物燃料。故选C。2.What is the purpose of Bryants experiment?A.To test the toughness of the lignin.B.To find the differences between acids and bases.C.To identify the functions of the elements of leaves.D.To get sugar from dead leaves using a
16、cids and bases.【解析】选D。细节理解题。根据第三段的“Bryant wanted to see if he could get sugar for biofuels out of dead leaves by pretreating those leaves with acids or bases.”可知,Bryant实验的目的是用酸和碱从枯叶中提取糖。故选D。3.What is Bryants next step?A.To produce biofuels from dead leaves.B.To promote the use of biofuels worldwide.
17、C.To make his pretreating process less costly.D.To encourage other kids to collect dead leaves.【解析】选A。细节理解题。根据第四段的“Bryant now wants to take the sugars from his finding to the next stepmaking ethanol.”可知,Bryant的下一步是用枯叶生产生物燃料。故选A。4.Which of the following best describes Bryant?A.He is caring.B.He is de
18、manding.C.He has a good sense of humor.D.He has a spirit of exploration.【解析】选D。推理判断题。本文主要讲述的是Bryant通过实验,将枯叶用酸和碱处理提取糖,并计划下一步将它们制成生物燃料。由此可推知Bryant具有探索精神。故选D。.阅读填句How to Get the Sleep You NeedMary Ladds husband could sleep through the night,but she couldnt.1And part of it felt out of her control.A brea
19、st cancer survivor with an elderly mother,Ladd found that her worries would come to her mind at bedtime.2Its not just a matter of feeling tired.Over the long run,lack of sleep can contribute to diseases like depression,obesity,heart attack,and even cancer.Unfortunately,telling patients to sleep more
20、 doesnt mean theyll be able to do it.3Exercise more,stick to a sleep schedule,avoid caffeine in the evening.As a result,a third of adults report that they fail to get a seven-to-nine-hour sleep a night.The good news is that science has begun figuring out sleeps mysteries and the following are some o
21、f the latest ideas to improve our bedtime.Dont Go toward the Light.Our brains react to the blue light given off by computers,smart-phones,andeven LED bulbs much as they do to daylight.If you cant avoid screens beforeyou head to bed,try wearing light-blocking glasses.Become a Dream Weaver.People with
22、 fewer dreams are more likely to be sensitive to pain and anxious.Unfortunately,some sleeping pills can disturb REM sleepthe last and mostdream-filled sleep cycle.Alcohol does too.4Training yourself to wake naturally takes practice,but youll be more rested if you can do it.Dont Worry about It.5Such
23、anxieties can transform lack of sleep into chronic insomnia(慢性失眠).A recent research shows you will still get through the day if you dont getenough sleep.Therefore,if you lose sleep,tell yourself that its OK.A.Ask your doctor for advice in time.B.Nor does repeating the advice theyve heard a million t
24、imes.C.Another common cause is alarm clocks,which interrupt sleep cycles.D.Often it involves relaxation training or meditation(冥想)to reduce anxiety.E.People often think they wont be able to function if they dont have a good night.F.Is there anything worse than badly needing sleep and not being able
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