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2019高考英语一轮复习新人教版必修2 练习题Unit3Computers含解析

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                            The Olympic Games 

                                    李仕才 
【阅读理解插花】 
    Vitamin B could help reduce the effects of the most dangerous type of air 

pollution, according to a new study published on Monday. In the first study of its 

kind, a team of international researchers looked into the damage caused by one of 

the pollutants that have the severest impact on health—PM 2. 5.  

    They found that Vitamin B supplement could effectively reduce the impact of the 

tiny particles(颗粒)on the human body, although they stressed that the research was 

in its early stages. According to the WHO, 92% of the world’s people are living 

in places where the PM 2. 5 level goes beyond the recommended level. So it’s urgent 

to find a solution to the problem.  

    According to this study, published in the PNAS, 10 volunteers were initially 

exposed to clean air and given a placebo(安慰剂)to check their baseline responses. 

The group then kept on taking placebos for four weeks before being exposed to heavily 

polluted air from downtown Toronto, where an estimated 1, 000 cars passed every hour. 

The bad air was delivered to the volunteers through an “oxygen type” face mask. 

The experiment was then repeated, with each volunteer taking a Vitamin B supplement 

daily, made up of 2. 5 mg of folic acid, 50 mg of Vitamin B6, and 1 mg of Vitamin 

B12.  

    Vitamin B6 can be found in liver, chicken, nuts and other things, and Vitamin 

B12 in fish, meat, eggs, milk and some cereals. The researchers found that four weeks 

of Vitamin B supplements reduced the damage of PM 2. 5 effects by 28-76%. The results 

emphasized how prevention at an individual level could be used to fight against the 

damage of PM 2. 5, the researchers said.  

【文章大意】本文主要通过一些实验告诉我们维生素                      B 对减轻   PM 2. 5 对身体的伤害有什么

样的功效。 

1. What’s the newly discovered effect of Vitamin B in Paragraph 1?  

A. It can be used to replace other vitamins in our daily life.  

B. It can help lower the air pollution level in the open air.  

 
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C. It can reduce the impact of PM 2. 5 on human bodies.  

D. It can get rid of the pollutants remaining in our bodies.  

【解析】选     C。细节理解题。根据第一段“Vitamin B could help reduce the effects of 

the most dangerous type of air pollution, according to a new study published on 

Monday. ”, 可知维生素     B 可以减少造成空气污染的危险物质的影响, 而后一句又提到了对

健康危害最大的危险物质是            PM 2. 5, 故选  C。 

2. What can be learned from the second paragraph?  

A. Further study about the effect of Vitamin B needs to be done.  

B. Vitamin B is the most important to human’s health.  

C. The tiny particles in the air are made up of PM 2. 5.  

D. 92% of the world’s people are affected by PM 2. 5.  

【解析】选     A。细节理解题。根据第二段“. . . although they stressed that the research 

was in its early stages. ”可知关于维生素        B 的功效的研究还处于初期阶段, 所以仍需

进一步的研究探索。 

3. How did researchers draw the new conclusion about Vitamin B?  

A. By referring to a journal.  

B. By performing experiments.  

C. By interviewing scientists.  

D. By comparing vitamins.  

【解析】选     B。推理判断题。根据倒数第二段“The experiment was then repeated, with 

each volunteer taking a Vitamin B supplement daily, made up of 2. 5 mg of folic acid, 

50 mg of Vitamin B6, and 1 mg of Vitamin B12. ”, 中的  experiment 表明研究者是通

过做实验得出新的结论的。 

4. You may read the passage on a website about ________.  

A. environment                 B. medicine 

C. education                       D. health 

【解析】选     D。推理判断题。本文主要通过一系列实验告诉我们维生素                        B 可以减轻    PM 2. 5

对我们身体的伤害, 主题围绕着健康展开, 故选                   D。 
 
Ⅰ 教材与语法填空 

 
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根据教材课文内容,在空白处填入               1 个适当的单词或括号内单词的正确形式。 
    Pausanias and Li Yan are talking about the similarities and 1.      (different) 
between the ancient and modern Olympics. The ancient Olympic Games were first held 
in Athens, in which only men from the Greece had the honour 2.      (compete). Now 
great changes 3.      (take) place to the Games. There’re two main sets of Olympic 
Games 4.      (hold) on a regular basis. Only athletes 5.       have reached the 
agreed standard will 6.      (admit) as competitors. Nowadays any country can take 
part in the Games. Women play a very important role 7.       the Games. Countries 
compete with each other 8.      (host) the Games. 9.       is a great responsibility 
and honour to be chosen. Even the olive wreath has been replaced. The motto of the 
Games is “10.      (swift), Higher and Stronger”.  
答案:1.differences     2.to compete 3.have taken  4.held 
5.who   6.be admitted  7.in 8.to host  9.It  10.Swifter 
Ⅱ 教材与话题写作 
(Ⅰ)用本单元所学知识完成下列句子。 
1.奥运五环旗中的五环代表地球上的五大洲。(stand for; continent) 
                                     
答案:The five rings on the Olympic flag stand for the five continents on the earth. 
2.任何国家都可以参加奥运会。(take part in) 
                                     
答案:Any country can take part in the Olympic Games. 
3.只有达到他们各自统一的标准的运动员才会被接受为竞赛选手。(admit; athlete; 
competitor) 
                                     
答案:Only athletes who have reached the agreed standard for their event will be 
admitted as competitors. 
4.除了运动员,也有一些志愿者。(apart from; volunteer; as well ) 
                                     
答案:Apart from athletes, there are some volunteers as well. 
5.他们为奥运会提供服务,比如,负责所有运动员的食宿问题。(offer; take charge of) 
                                     
答案:They offer help for the Olympic Games, for example, taking charge of the 
accommodation of the athletes. 
(Ⅱ)将以上句子连成短文,要求衔接连贯、过渡自然。 
                                     
                                     
                                     
                                     
                                     
 
【完形填空插花】 
    I was looking through some old photo albums the other day.I had __1__ done that 
many times before but I felt a sudden __2__ to see them again.I found myself __3__ 
so many beautiful memories from my childhood.There was my dear Nana giving me a 

 
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thorough __4__ when I was a newborn baby.There was me and my brother standing in 
front of the world's ugliest __5__ our favorite Christmas tree.There was my beautiful 
Mom __6__ me on her lap.Then the pictures seemed __7__ all of a sudden because my 
eyes were wet.I just couldn't __8__ the tears.“What is going on?” I __9__.I hadn't 
cried the last time.But what was __10__ now? 
    I soon saw that it was I who changed.I had __11__.My spirit had walked a little 
further down the __12__ of love.I realized as long as they came with a warm heart,
wet eyes were __13__ to be ashamed of.I smiled and I felt Mom and Nana smiling __14__ 
on me from Heaven. 
    Leo Buscaglia said:“I'm not afraid of __15__.They clean out my eyeballs.” 
I think they clean out our __16__ as well.They help us to wash away our pain, fear 
and grief(悲伤).They help us to __17__ our love and goodness.They help us to become 
who we are __18__ to be.The next time you feel your tears starting,just let them 
__19__. 
    Life is full of smiles and tears.Only by allowing them both can we __20__ live. 
    1.A.never              B.ever 
       C.already           D.nearly 
    2.A.appeal             B.sadness 
       C.fear              D.urge 
    3.A.shaping             B.reliving 
       C.escaping           D.building 
    4.A.bath                B.speech 
       C.hug               D.survey 
    5.A.and                B.but 
       C.or                D.as 
    6.A.spinning             B.possessing 
       C.holding            D.walking 
    7.A.beautiful             B.blank 
       C.abnormal           D.vague 
    8.A.fight back           B.fight with 
       C.fight for           D.fight against 
    9.A.found               B.wondered 
       C.hesitated           D.discussed 
    10.A.heartbreaking        B.wrong 

 
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        C.different           D.disturbing 
    11.A.grown              B.misunderstood 
        C.insisted           D.struggled 
    12.A.feast               B.path 
        C.expectation        D.circle 
    13.A.everything          B.something 
        C.anything          D.nothing 
    14.A.forward            B.upwards 
        C.down            D.behind 
    15.A.tears              B.failures 
        C.deaths           D.illnesses 
    16.A.competence        B.inside 
        C.identification     D.development 
    17.A.look through       B.clean out 
        C.learn from       D.reconnect to 
    18.A.used             B.reminded 
        C.forced           D.meant 
    19.A.separate           B.stay 
        C.flow            D.disappear 
    20.A.truly             B.roughly 
        C.generally        D.tentatively 
    【解题导语】本文是一篇夹叙夹议的文章。再次看老相册时,作者重温了童年的一些美
好回忆,并流下了眼泪。作者从而感悟到生活中充满欢笑和眼泪,只有允许它们两者存在,
我们才能真正地生活。 
    【核心词汇】urge n.强烈的欲望;冲动 v.催促,力劝;强烈要求 
    I had a sudden urge to call him.我突然很想给他打电话。 
    We should constantly urge ourselves on to study hard.我们应该不断地鞭策自己
努力学习。 
    1.C   根据下文的“many times before”以及“I hadn't cried the last time”可
知,作者应该不止一次看这些老相册,故此处表示作者之前已经(already)多次看过这些老
相册。 
    2.D   此处表示作者突然有再次看老相册的冲动(urge)。appeal“恳求”;fear“害
怕”。 
    3.B  此处表示作者重温(reliving)了许多来自童年时期的美好回忆。shape“塑造”;

 
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escape“逃避”;build“建造”。 
    4.A   根据下文的“when I was a newborn baby”可知,此处表示作者还是个新生儿
时,奶奶给她彻底洗澡,故选             A 项。 
    5.B   空前的“the world's ugliest”和空后的“our favorite”之间为转折关系,
故用并列连词      but。 
    6.C   根据下文的“on her lap”可知,此处应表示“我漂亮的妈妈把我抱着放在她的
腿上”。hold    意为“抱着,托着”,符合语境。spin“快速旋转”;possess“拥有”;
walk“遛”。 
    7.D   上文提到了作者正在看老照片,根据下文的“because my eyes were wet...the 
tears”可知作者流泪了,根据常识可知,此处表示这些老照片变得模糊(vague)了。
blank“空白的”;abnormal“不正常的”。 
    8.A   根据上文的“because my eyes were wet”和下文的“I hadn't cried the last 
time.But...”可知,作者这次看老照片的时候哭了,此处表示作者遏制不住眼泪。fight 
back“忍住,抑制住”,符合语境。fight with“与……争辩”;fight for“努力争取”;
fight against“对抗”。 
    9.B   作者以前看老照片没有哭,而这次看老照片却哭了。所以作者想知道(wondered)
发生了什么。find“发现,找到”;hesitate“犹豫,迟疑”;discuss“讨论”。 
    10.C   根据下文的“I soon saw that it was I who changed”可知,作者很快明白,
是她自己和以前不一样了。故之前作者想知道的问题是“现在有什么是不同的呢”。故选                                     C
项。 
    11.A   根据下文的“My spirit had walked a little further”可知,此处应表示作
者的心灵已经在爱的道路(path)上走得更远了一点了,即作者已经成长(grown)了。 
    12.B   参见上题解析。feast“宴会”;expectation“期望”; circle“圈子”。 
    13.D   根据上文的“as long as they came with a warm heart”以及下文的“I 
smiled”可知,该句表示含泪的眼睛没有什么(nothing)可羞愧的,只要它们伴随着一颗温
暖的心而来。 
    14.C   根据下文的“on me from Heaven”可知,此处表示作者感到妈妈和奶奶从天堂
向下(down)冲着自己微笑。 
    15.A   根据语境尤其是下文的“They clean out my eyeballs”可知,此处表示“眼
泪清洗了我的眼球”,故选            tears。 
    16.B  根据下文的“They help us to wash away our pain,fear and grief(悲伤).They 
help us to...to be”可知,此处表示眼泪不仅清洗了我们的眼球,也清洗了我们的内心
(inside)。competence“能力”;identification“辨认”;development“发展”。 
    17.D   第一段提到老照片让作者的美好回忆重现,故这里应该是表示“眼泪帮助我们

 
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重新找回我们的爱和善良”。reconnect to“重新连接”,在这里引申为“重新找回”。look 
through“浏览”;clean out“把……清洗干净”。 
    18.D   此处表示眼泪可以帮助我们成为我们想成为的人。be meant to do“打算,想
要”。 
    19.C   根据上文提到的眼泪的好处可知,此处表示下次你感觉到眼泪开始流的时候,
那么就让它们流下来吧。故选             C 项。 
    20.A   生活中充满笑和泪,只有允许它们都存在,我们才能真正地(truly)生活。
roughly“粗略地”;generally“大体上”;tentatively“试探性地”。 

 
 
Ⅲ 下面是李华的一篇作文,文中有五处错误,改正错误并背诵该文。 
    The five rings on the Olympic flag stand for the five continents on the earth, 
that means any country can take part the Olympic Games. But only athletes who has 
reached the agreed standard for their event will be admitted as competitors. Apart 
from athletes, there are some volunteers as well as who offer help for the Olympic 
Games, for example, take charge of the accommodation of the athletes. 
答案: 
    The five rings on the Olympic flag stand for the five continents on the earth, 
 that                               ∧
      means any country can take part in the Olympic Games. But only athletes who 
which
 has
     reached the agreed standard for their event will be admitted as competitors. 
have
Apart from athletes, there are some volunteers as well as  who offer help for the 
                            take
Olympic Games, for example,       charge of the accommodation of the athletes. 
                           taking
 
 
 
 
  
 


 
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