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1、2020学年人教版英语精品资料Unit_4Unforgettable_experiences1Just_try_and youll see you can do it.只要努力，你就会发现你能做这事。本句中使用了“祈使句and陈述句”这一结构。(1)“祈使句and陈述句”相当于If you .，you will .。Work harder，and youll find it not difficult to learn.If you work harder，youll find it not difficult to learn.再用功一点，你就会发现它不难学。(2)“祈使句or(else)/
2、otherwise陈述句”相当于If you .not .，you will .。Hurry up，or you will be late.If you dont hurry up，you will be late.快一点，否则你会迟到。提醒(1)有时候祈使句中的动词可省略，只剩下“名词或名词短语and陈述句”。(2)and/or后面的陈述句常用一般将来时或一般现在时。More_effort，and you can finish it on time.再加把劲，你会按时完成它的。(2012辽宁高考)Bring the flowers into a warm room _ theyll soon
3、 open.Aor BandCbut Dfor解析：考查连词。句意：将花放到暖和的房间里，它们将会很快开放。根据句意可知此处表示顺承关系，故用and连接。注意此句为“祈使句and陈述句”句型。答案：B2However，before she could think twice，the water was upon her.然而，还没能容她再想，水就已经逼近她了。句中before用作连词，引导时间状语从句。基本意义是“在之前”，在不同语境中，有多种灵活的翻译方式，如“过了才”，“还没来得及就”，“趁着就”等。常见于如下句型：It took/was时间段before .过了才It will take
4、/be时间段before . 要过多久才It will not take/be时间段before . 过不了多久就会You cant borrow books from the school library before you get your student card.在你得到学生证之前不能从学校图书馆借书。It_will_be_a_long_time_before they get what they want.要过很长时间他们才能得到他们想要的东西。Someone called me up in the middle of the night，but he hung up before
5、 I could answer the phone.有人半夜给我打电话，可是我还没来得及接，他就挂断了。I must write it down before_I_forget_it.趁着我没忘，我得把它记下来。before，since，until(1)before引导的时间状语从句动作与主句动作的关系：主句动作在前，从句动作在后(即主句动作完成后从句动作才发生)。(2)since引导的时间状语从句动作与主句动作的关系：从句动作在前，主句动作在后。(3)until用来引导时间状语从句，表示直到从句的动作发生，主句的动作才发生，译为“直到才”。自填助记用before，since，until填空I
6、t was not until the doctor told him that he knew his father was badly ill.We began at 7：00 pm. It was three hours before we found out the cave.Its almost five years since we saw each other last time.1(2011山东高考)Find ways to praise your children often，_youll find they will open their hearts to you .At
7、ill BorCand Dbut解析：考查句式结构。句意：经常找一些方法表扬你的孩子们，你会发现他们将会向你敞开心扉。这是一个“祈使句and 陈述句”结构。后面的陈述句表达的是前面祈使句顺承的结果，所以用and。如果陈述句表达的是与前面祈使句相反的结果，则用or。答案：C2(2013朝阳一模)Though it is 30 years _ we last met，I still remember the scene _ we got separated on a rainy day.Abefore；where Bbefore；whichCsince；when Dsince；where解析：考查
8、时间状语从句和定语从句。“it is/has been一段时间since从句”为固定句型，表示自从上次干某事到现在有多长时间了；scene作先行词且定语从句中需要的是地点状语，故用where或in which引导定语从句。答案：D3Mary looks down today.What is the matter?Well, _ happened between Mary and me is none of your business.Awherever BwhoeverCwhatever Dwhichever解析：答句句意：不管玛丽和我之间发生了什么事都与你无关。whatever引导主语从句作
9、主语，表示“不管什么事”；whoever“不管是谁”；whichever“不管是哪一个”。答案：C.单项填空1(2013龙岩质检)Would you mind if I closed the window?_. Its that cold outside.ASorry, Im afraidBYes, help yourselfCSorry, you dont DNo, go ahead解析：句意：“你介意我关上窗户吗？”“不介意，去关吧。外面那么冷。”根据答句的后半句Its that cold outside.可知对方同意关上窗户，故答案选D。答案：D2(2013河南洛阳统考)The bank
10、 was broken into last night.The police are now_the matter.Aseeing through Bworking outClooking into Dwatching over解析：考查动词短语辨析。look into“调查”，符合句意；see through“浏览”；work out“解决”；watch over“观察”。答案：C3(2013陕西宝鸡质检)When we visited my old family home，memory came _ back.Aflooding Bto floodCflood Dflooded解析：句意：
11、当我们回到老家时，往事涌上心头。flood与memory之间构成逻辑上的主动关系，所以用现在分词作伴随状语。答案：A4He was told that it would be at least three more months_he could recover and return to work.Awhen BbeforeCsince Dthat解析：考查句式“Itbe时间段before从句(要过多久才)”。句式“It is/has been时间段since从句”，表示“自从以来已有”。答案：B5Guess what？I have passed the driving test.Great
12、！You _ a lot of time practicing.Ashould spend Bmust spendCshould have spent Dmust have spent 解析：由上句“I have passed the driving test”可知，这一动作发生在过去，且有一定的事实依据。“musthave过去分词”用于肯定句，表示“过去一定做过某事”，表示一种很有把握的推测。答案：D6The lifeboats were sent to _ the sailors _ the sinking ship.Arescue; from Bthrow; onCtreat; as D
13、carry; into解析：句意：这些救生船被派去营救正在下沉的船上的船员。rescue .from .“把从中营救出来”。答案：A7A_ person or animal is very aggressive or angry.Afierce BfrightenedChottempered Dtender解析：考查形容词辨析。fierce “猛烈的，残忍的，狂暴的”；frightened “受惊的，受恐吓的”； hottempered “急脾气的”； tender “温和的，亲切的”。由句中所描述的“人或动物是非常好斗的或易发怒的”可知选A。答案：A8Our country has _ gr
14、eat changes in the past 30 years, which are the result of reform and opening up.AappearedBhappenedCtaken place Dwitnessed解析：句意：在过去30年里我们国家发生了巨大变化，这是改革开放的成果。witness意为“是发生的地点，见证”，符合句意。其他三项均为不及物动词(短语)，其后不接宾语。答案：D9John and Sandy argued all the time, which completely _ the party.Adestroyed Bdamaged来源:学科网
15、Cruined Dbroke解析：ruin 在此指“毁掉(晚会)”，其他选项用在此处不贴切。句意：John 和Sandy 一直在吵，把整个晚会都毁掉了。答案：C10Here is a new edition of Crazy English. Do you want to look at it?_！ Let me see it.ABy and by BNot reallyCMind your own business DBy all means解析：考查交际用语。根据答语的下一句可知答话人“当然”想看一看。前三项分别表示“不久以后，迟早”“不完全是”“少管闲事”，都不符合句意。答案：D11Wh
16、en I got back home，I found the door open，a terrible idea _ me had my house been broken into?Abeat BstruckCknocked Dattacked解析：句意：当我回到家，发现门开着时，我突然有一个可怕的想法有人闯进我家了吗？strike “突然想起”，符合句意。答案：B12Heres my card.Lets keep in_and try not to_touch with each other.来源:学_科_网Atouch；lose Btouch；keepCmind；get Dmind；le
17、ave解析：句意：这是我的名片，咱们彼此保持联系尽量不要失去联系。keep in touch “保持联系”；lose touch with“与失去联系”。答案：A13In the past time，my parents _ to bring my brother and me up and afford our education；they had a hard life.Aworked BhelpedCcontributed Dstruggled解析：考查动词辨析。句意：在以前，父母为把我和我哥哥养大并供我们读书而奋斗，他们度过了一段艰难的时光。struggle“挣扎，奋斗”，符合句意。w
18、ork“工作”；help“帮助”；contribute“贡献，有助于”，常与介词to搭配使用。答案：D14Do come here on Monday, _ we, as planned, will take part in the gathering of AIDS prevention volunteers.Athen BandCtherefore Dor解析：考查“祈使句and陈述句”。句意：务必在周一来这里，那样我们就可以按计划参加防艾滋病志愿者的集会了。祈使句相当于if引导的条件状语从句。本题中，主句部分插入了as planned。答案：B15The woman biologist
19、stayed in Africa studying wild animals for 13 years before she returned.Oh，dear！She must have _ a lot of difficulties!Agone over Bgot throughCgot into Dgone through来源:学#科#网Z#X#X#K解析：考查动词短语辨析。句意：“这位女生物学家在回来之前在非洲研究野生动物达13年之久。”“噢，天啊！她肯定遇到了重重困难。”go through“经历，遭受”，符合句意。go over“复习”，get into“进入”，get throug
20、h“完成”。答案：D.阅读理解AIn South Africa, paragliding (滑翔伞运动) is one of the most popular sports around. Paragliding in South Africa is a delight and, at times, a frightening challenge. A paraglider is, firstly, someone who has been well taught in the skill of flying. Once youve done the 4day course and decid
21、e that you have the right mental attitude and the basic physical requirements, the mountain slopes (山坡) wait for you. If you have never tried it before, you are sure to learn it in a few days, but safety comes first. Strangely, the relatively flat Karoo heartland is one of the best areas to paraglid
22、e in. The towns of De Aar and Kuruman in the Northern Cape province are centers of Karoo paragliding. South African paragliders hold more than 50% of the world records in this sport most of them set in the Karoo. But why are paragliders so crazy about the Karoo? “The cloud base there is so high and
23、the wind is proper and stable. You can glide for hours, going up as high as 4,000 meters in the sky，” they explain. Foreign pilots wanting a taste of South Africas paragliding opportunities can get a shorttime license. They can hold it for three months at most. Medical examination and insurance are
24、needed by the South African Hang Gliding and Paragliding Association. The Western Cape has more than 60 official paragliding launch and flight sites. Up north along the Drakensberg slopes, you will see the brave “OneWings” doing their thing daily, flying in the sky or taking the “ridge lift”， riding
25、 a wave of wind as it clears a mountain slope. 语篇解读：滑翔伞运动是一项新的空中运动，它需要技术和专业训练。南非Karoo地区的气候和地势非常适合人们开展该运动。1If you want to learn paragliding, you must be _.Abrave and healthyBcalm and delightedCyoung and cleverDexcited and powerful解析：推理判断题。根据第一段“ . a frightening challenge”和第二段“ . you have the right me
26、ntal attitude and the basic physical requirements”可推断，答案为A。答案：A2Why does Karoo attract paragliders from all over the world?ABecause it has very beautiful scenery.来源:Zxxk.ComBBecause it is easy for them to get licenses.CBecause the conditions and climate are ideal for paragliding.DBecause it is well
27、known in the world.解析：细节理解题。根据第三段“The cloud base there is so high and the wind is proper and stable”可知，答案为C。答案：C3Foreign pilots who want to paraglide in South Africa _.Aneednt have a medical examinationBwill spend a great deal of moneyCcan stay there for two months at mostDmust hold a shorttime lice
28、nse解析：细节理解题。根据第四段“Foreign pilots . can get a shorttime license”可知，答案为D。答案：D4The author wrote this passage mainly to _.Aintroduce a popular sport in South AfricaBtell us why paragliding is very popularCattract more people to visit South AfricaDtell us Karoo in South Africa is well known解析：作者意图题。本文的第一
29、句“In South Africa, paragliding . is one of the most popular sports around”是主旨句。本文主要向读者介绍了空中滑翔运动，故答案为A。答案：ABFew of us make money by losing sleep.But three graduate students at Brown University in Providence built a company around sleep deprivation.Jason Donahue，Ben Rubin and Eric Shashoua were workin
30、g late nights in Browns business and engineering schoolsand began thinking about ways to sleep better.They discovered they werent alone in burning the midnight oil.Around 20% of Americans get less than six hours of rest a night.The friends imagined a smart alarm clock that could track how much time
31、we spend in the most restorative(促使康复的) stages of the sleep cycle：REM(快速眼动) and deep sleep.What would it cost to design such a thing？Five years of research,20 employees，$14 million in funding and a whole lot of doubting from investors and scientists.The company，Zeo, based in Newton，Mass.，launched it
32、s product in June.The Zeo device uses a headband with tiny sensors(传感器) that scan your brain for signs of four sleep states：REM，light，deep and waking sleep.The smart alarm clock displays a graph of your sleep pattern and wakes you as youre transitioning out of REM sleep (which is when youre least sl
33、eepy). In the morning you can upload the data to the companys website，and so track your sleep over time.The cost，$399，includes six months access to one of Zeos online sleep coaches.Most of the feedback comes in the form of Zeos ZQ score showing how well youve slept.“Zeo allows people to unlock this
34、black box of sleep，”says Dave Dickinson，a healthcare CEO.Whether any of this actually improves sleep is up to the consumer，who will also need to make lifestyle changes like cutting out alcohol before bedtime or caffeine after 3 pm.For now the company is selling Zeo online only.Dickinson also plans t
35、o expand to countries such as Australia，where sleep deprivation approaches US levels.语篇解读：这是一则科普说明文，美国三名大学生研制出一种仪器，能够记录睡眠数据，从而提醒主人规律生活，提高睡眠质量。5Why did the three students imagine a smart alarm clock?ATo earn enough money for a scholarship.BTo wake them up on time in the morning.CTo record the length
36、of their sleep time.DTo improve the quality of their sleep.解析：细节理解题。依据第二段的内容和第三段首句可知，他们想象该仪器的目的是提高睡眠质量。答案：D6Which is the correct order of how the Zeo device works?awake you when youre least sleepybscan your brain for sleep signscget the Zeos ZQ scoredshow a graph of your sleep patterneupload the dat
37、a to the companys websiteAd，b，a，e，cBb，a，d，c，eCd，b，a，c，e Db，d，a，e，c解析：细节理解题。依据第四段的内容可知，D项是Zeo的工作程序。答案：D7The Zeos ZQ score is connected with_.Athe quality of sleep Bthe length of sleep来源:学|科|网Cthe time of waking up Dthe time of going to bed解析：细节理解题。依据第四段的最后一句可知，Zeo提供的记录显示的是睡眠质量如何。答案：A8From the passage
38、 we can learn that_.AZeo will have a direct effect on users lifestylesBZeo will have better results if users make proper changesCZeo is reported to be well received in AustraliaDZeo can now be bought either in stores or online解析：推理判断题。依据倒数第二段内容可知，Zeo只是记录数据，只有用户自己改变生活方式才能从本质上提高睡眠质量。答案：B.短文改错I have a
39、good friend whos name is Liu Wei.She is our1_monitor but one of the excellent students in our class.2._She is clever，but she works very hard.We have a3._lot on common and have a lot to talk about.One evening she4._told me that something happened when her parents was out.5._She was doing her homework
40、s on Sunday morning when6._She smelt something burning.She stopped look out7._of the window and find a cloud of smoke coming out8._of her neighbors house.She called 119 immediate.Ten9._minutes later，the firemen came and put out fire.Her neighbor10._was very thankful for her help.答案：1.whoswhosewhos是w
41、ho is或who has的缩写，但该句需要whose引导定语从句，并在从句中作定语修饰name，表示“她的名字”。2butand前后不是转折关系，而是顺承关系，所以用连词and。34oninhave a lot/much in common表示“有很多共性”。5waswerewhen从句的主语是复数名词parents。6homeworkshomeworkhomework是不可数名词。7stopped后加tostop to do sth.表示“停下(别的事情)来做某事”。8findfound该句主语she后由and连接两个并列谓语，都用一般过去时。9immediateimmediately应用副词作状语。10fire前加the此处特指她邻居家的这场火灾。