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Unit 1 A land of diversity 阅读理解A(2018河南洛阳高三第一次统考)All over the world mothers and fathers teach their children manners.Other children may have manners that are not like yours.There are all kinds of manners.Many years ago，children who had good manners were seen and not heard.They kept quite quiet if grownups were talking. Today, wellmannered children have more freedom.Sometimes good manners in one place are bad manners in other places. Suppose you are a visitor in the land of Mongolia. Some friends ask you to eat with them. What kind of manners do they want you to have? They want you to give a loud “burp(打嗝)” after you finish eating. Burping would show that you like your food. In some countries, if you give a loud burp, you are told to say “Excuse me, please.” In many places people like to eat together. But in some parts of Polynesia it is bad manners to be seen eating at all. People show good manners by turning their backs on others while they eat. What are manners like in an East African town? The people try not to see you. They are being polite. You may see a friend. He may not see you at all. If you are polite, you will sit down beside him. You will wait until he finishes what he is doing.Then he will talk to you.Suppose you visit a friend in Arabia.You should walk behind the other tents until you e to his tent.If you pass in front of the other tents，you will be asked into each one.The people will ask you to eat with them.And it is bad manners if you say no.Manners are different all over the world.But it is good to know that all manners begin in the same way.People need ways to show that they want to be friends.【解题导语】本文主要介绍了世界上一些地方的礼仪。1How did polite children behave in the past?ABy looking into adults eyes while talking.BBy keeping silent while adults were talking. CBy slipping into the house without being heard. DBy not opening their mouths until spoken to. B解析：细节理解题。根据第二段的第二句可知，过去，在大人们说话时，儿童保持沉默是一种礼貌的行为。 2Which custom should we follow in order to look wellmannered? ASaying “Excuse me” on burping in Mongolia. BInviting guests to dinner together in Polynesia.CTalking with a friend before he pletes things in East Africa. DAccepting an eating invitation in Arabia. D解析：细节理解题。根据第三段的最后两句可知，接受阿拉伯人一起吃饭的邀请是礼貌的行为。3What can we infer from the text? AHear much，speak little. BLove me，love my dog. CWhen in Rome do as the Romans do. DDo what you ought to. C解析：推理判断题。根据全文内容尤其是最后一段的第一句可推知，礼仪因地域而各有不同，因此最好的做法是入乡随俗。BVitamin B could help lessen the effects of the most dangerous type of air pollution, according to a new study published recently. In the first study of its kind, a team of international researchers looked at the damage caused by one of the pollutants that have the most severe impact on health: PM2.5.Particulate matter, or PM, is a type of air pollutant consisting of small particles of different sizes. PM2.5 has a diameter of fewer than 2.5 micrometers, about 30 times smaller than a human hair. These particles are so small that they can go into our respiratory system(呼吸系统), resulting in lung and systemic inflammation(炎症) and stress.The team found that something as simple as a daily vitamin B supplement could potentially reduce the impact of the tiny particles on the human body, although they stressed that the research was in its early stages and the sample size was small.For this study, 10 volunteers were initially exposed to clean air and given a placebo(安慰剂) to check their responses. The group then took another placebo for four weeks before being exposed to heavily polluted air from downtown Toronto, where an estimated 1，000 cars pass every hour. The bad air was delivered to the volunteers through an “oxygentype” face mask. The experiment was then repeated, with each volunteer taking a B vitamin supplement daily made up of 2.5 mg of folic acid, 50 mg of vitamin B6, and 1 mg of vitamin B12. B6 can be found in liver, chicken and nuts, and B12 in fish, meat, eggs, milk and some cereals.The researchers found that four weeks of B vitamin supplements reduced the damage of PM2.5 exposure by 28%76%. The results highlight how prevention at an individual level could be used to fight the harmful effects of PM2.5.【解题导语】本文是一篇说明文。吸入人体内的PM2.5(细颗粒物)会导致疾病。不过，研究发现维生素B在一定程度上能降低PM2.5的危害。4Why is PM2.5 harmful to our health?AIt pollutes and poisons the air.BIt is too much to be got rid of.CIt carries viruses and diseases.DIt is easily breathed in and damages our body.D解析：细节理解题。根据第二段中的“These particles are so small.inflammation(炎症)and stress.”可知，PM2.5(细颗粒物)很小，能进入我们的呼吸系统，导致肺部和全身炎症。5What can we infer from Paragraph 3?AThe process of the research was not scientific.BThis kind of research has been done many times.CFurther studies are needed to confirm their findings.DVitamin B is hard to obtain in peoples daily life.C解析：推理判断题。根据第三段中的“although they stressed that the research was in its early stages and the sample size was small.”可知，该项研究处于初级阶段且样本规模小，因此还需要更多的研究来证明研究团队的发现。6What is the text mainly about?AInternational researchers have a new finding.BVitamin B could reduce the damage of PM2.5.CParticulate matter does great harm to our health.DEmission control and regulation are badly needed.B解析：主旨大意题。文章第一段和第二段谈到PM2.5的定义以及PM2.5的危害；第三到五段告诉我们维生素B能降低PM2.5的危害。所以B项最能概括文章主旨。7The new study was probably published _ Ain a science journalBon a government websiteCin a fashion magazineDin a medical textbookA解析：推理判断题。该文的内容为科学研究发现，很可能出自科学期刊。所以A项正确。 完形填空(2018西宁三校十月联考)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 thorough 4 when I was a newborn baby.There was me and my brother standing in front of the worlds 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 couldnt 8 the tears.“What is going on？”I 9 I hadnt 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：“Im 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 bee 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.【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，只有允许它们两者都存在，我们才能真正地生活。1A.neverBeverCalready DnearlyC解析：根据下文的“many times before”以及“I hadnt cried the last time.”可知，作者应该不止一次看过这些老相册，故此处表示作者之前已经(already)多次看过这些老相册了。2A.appeal BsadnessCfear DurgeD解析：此处表示作者突然有再次看老相册的冲动(urge)。appeal“恳求”；sadness“悲伤”；fear“害怕”。3A.shaping BrelivingCescaping DbuildingB解析：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”；escape“逃避”；build“建造”。4A.bath BspeechChug DsurveyA解析：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。5A.and BbutCor DasB解析：空前的“the worlds ugliest”和空后的“our favorite”之间为转折关系，故用并列连词but。6A.spinning BpossessingCholding DwalkingC解析：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“走； 遛”。7A.beautiful BblankCabnormal DvagueD解析：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。beautiful“漂亮的”；blank“空白的”；abnormal“不正常的”。8A.fight back Bfight withCfight for Dfight againstA解析：根据上文的“because my eyes were wet”和下文的“I hadnt 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“与争斗”；fight for“努力争取”；fight against“对抗”。9A.found BwonderedChesitated DdiscussedB解析：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”。10A.heartbreaking BwrongCdifferent DdisturbingC解析：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。11A.grown BmisunderstoodCinsisted DstruggledA解析：根据下文的“My spirit had walked a little further down the _ of love.”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。12A.feast BpathCexpectation DcircleB解析：参见上题解析。feast“宴会”；expectation“期望”；circle“圈子”。13A.everything BsomethingCanything DnothingD解析：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。14A.forward BupwardsCdown DbehindC解析：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。15A.tears BfailuresCdeaths DillnessesA解析：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。16A.petence BinsideCidentification DdevelopmentB解析：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)。petence“能力”；identification“辨认”；development“发展”。17A.look through Bclean outClearn from Dreconnect toD解析：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”；learn from“向学习”。18A.used BremindedCforced DmeantD解析：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”。19A.separate BstayCflow DdisappearC解析：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。20A.truly BroughlyCgenerally DtentativelyA解析：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”。
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