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1、Unit2课时综合复习2选择性必修二外研版（2019版）单句语法填空1For security reasons，we suggest you (should) switch your mobile phone before boarding.2In my opinion，a good teacher is the person who can constantly motivate students (work) hard.3Well send the ambulance to pick him instantly we receive the call.4Passengers should
2、do nothing to distract the drivers attention the road.5After years of fighting dishonesty in the government，he threw the towel at last and left politics.6Step away the gossip，devote your time to yourself and create a life you love.7As I walked through the town，I was (constant) reminded of my childho
3、od.8Her income was barely enough (support) one child，let alone three.9He was very embarrassed (hear) people speak so highly of him.10Youd better make full use your time and organize your personal finances.单句翻译1为了激励市民定期锻炼，我市将发起 “放下手机，增强锻炼”活动。(motivate) 2如果你是运动爱好者，这是一个很好的培养你的爱好的机会。(pick up) 3你可以相信，锻炼对
4、你的健康和学习是有益的。(rely on it that.) 4尽管忙于学习，你也应该抽出一些时间参加体育运动。(be occupied in) 5所有学生都可以无条件地使用我市新体育场并参加活动。(have access to) 阅读理解A blue hole is a special kind of underwater cave found inland or in the sea，which forms when the earth above a cave falls in and water fills the space.An inland blue holes water is
5、 very still and has different layers.A layer of fresh rainwater floats on top of salt water；the fresh water keeps oxygen from the atmosphere from reaching the salt water；brightly colored bacteria live where the two layers meet.Diving into blue holes is extremely dangerous.Near the top of the blue ho
6、le，there is a layer of toxic gas，which causes itching，dizziness，andin large amountsdeath.Divers must also be fast.They have to get in and out of a cave before their oxygen runs out.Additionally，divers have to follow a guideline as they swim through a blue hole because it is very dark inside.Without
7、the guideline，they may get lost.If blue holes are so dangerous，why do explorers and scientists risk their lives to explore them? The reason is that these underwater caves can provide valuable scientific information.They provide clues about geology，archaeology，and biology.For example，some blue hole c
8、reatures，such as the remipede，probably havent changed for millions of years.The blue holes could even provide clues about astrobiology.For example，divers have found bacteria there that can live without oxygen.Astrobiologist Kevin Hand says the bacteria may be similar to forms of life that might exis
9、t on Jupiters fourth largest moon，Europa.“Our study of lifes extremes on Earth，” he says，“can help increase our understanding of habitable environments off Earth.”In addition，the oxygenfree environment of the blue holes preserves bones of humans and animals that fell into the caves long ago.By study
10、ing blue holes，we can understand what life was like in prehistoric times.As cave diver Kenny Broad says，“I can think of no other environment on Earth that is so challenging to explore and gives us back so much scientifically.”1Whats the main idea of Paragraph 1?AThe structure of a blue hole.BThe loc
11、ation of a blue hole.CThe formation of a blue hole.DThe definition of a blue hole.2Where can brightcolored bacteria be found?AIn the saltwater layer.BIn the freshwater layer.CIn between the freshwater and saltwater layers.DIn both of the freshwater and saltwater layers.3Which of the following best e
12、xplains the underlined word?AThe study of life on Earth.BThe study of life in the universe.CThe study of life in prehistoric times.DThe study of life in oxygenfree environment.4Which of the following can best describe blue holes?ATheyre oxygenfree and lifeless.BTheyre poisonous and dark.CTheyre deat
13、h zones and mazelike.DTheyre free of air and light.完形填空Brian Peters had one thing to do before leaving his job as a police officer in Brooklyn.He decided to spend $500 he 1 for his service to buy 10 gift cards and handed them out to strangers in Brooklyn Centre on his 2 day.It took him about two hou
14、rs to 3 the cards and he could put smiles on a lot of peoples faces，including one woman he stopped 4 noticing the condition of her car.“Her car was really old and really 5 .I saw her screen wipers were 6 in the up position，” Peters said.“I explained what I was doing and gave her a gift card，and 7 sh
15、e lit up with a smile.”Once people 8 the initial shock of what he was doing，Peters said he received a lot more hugs that day.Monique Drier，who 9 with Peters，said Peters has 10 wanted to give back and didnt really want the attention.“He didnt even have a goingaway 11 ，” Drier said.“He has always trie
16、d to 12 the human side of law practice.He was a great policeman and will be dearly missed.”Peters，who started his 13 job three days ago，said he still wants to continue giving back to the community.“Community service is extremely 14 ，and when youre fortunate in life，you should give back to others who
17、 arent as fortunate as you，”Peters said.“Thats what 15 the world go round.”1A.earned BcreatedCborrowed Dachieved2A.first BlastCvictory Dgreat3A.give out Bgive awayCgive up Dgive off4A.before BuntilCafter Dsince5A.damaged BdestroyedCruined Dharmed6A.placed BlaidCset Dstuck7A.gently BkindlyCimmediatel
18、y Dtotally8A.overcame BadmittedCbelieved Dstruck9A.stayed BperformedCorganized Dwatched10A.often BalwaysCseldom Dhardly11A.conference BcongratulationCcelebration Dparty12A.remember BforgetCprevent Dinsist13A.convenient BfreeCdifferent Dnew14A.authentic BpracticalCbrilliant Dimportant15A.forces Bequi
19、psCmakes Dexplores语法填空Students at a primary school in Hangzhou had their first class 1. March 1st on movable type.This is 2. ancient Chinese printing system.The West Lake Primary School in Zhejiang Province has introduced the course in the new term.An expert in Chinese characters culture has been in
20、vited to the campus,3. major responsibility is to teach students how to use the ancient printing technology by 4. (motivate) their interest.Students attend lectures on the history of movable type along with 5. (interest) classes on typesetting and printing.They then print their own document，6. (appl
21、y) the knowledge theyve learned.One student printed her 7. (new) written essay “Whether the traditional red envelopes kids receive belong to them or their parents？”8 (know) as one of the four great inventions of ancient China, movable type printing 9. (invent) by Bi Sheng in the 1040s during the Son
22、g Dynasty, and it is the worlds first system of movable type printing.The school said the course is aimed at improving the students awareness of Chinese characters and their 10. (appreciate) of Chinese culture.答案：单句语法填空1off.，2to work.，3up.，4from.，5in.6from.，7constantly.，8to support.，9to hear.，10of.单
23、句翻译1To motivate citizens to work out regularly，our city will launch a campaign whose theme is “Put down your phones，and work out now”2If you are sports lovers，its a good opportunity to pick up your hobbies.3You can rely on it that doing exercise can be of benefit to your health and study.4You should
24、 lay aside some time to participate in sports although (you are) occupied in studying.5All students have access to the new stadium in our city without distinction and participate in the activities.阅读理解1D，2C，3B，4B完形填空1A，2B，3B，4C，5A6D，7C，8A，9A，10B11D，12A，13D，14D，15C语法填空1on，2an，3whose，4motivating，5interesting6applying，7newly，8Known，9was invented，10appreciation学科网（北京）股份有限公司