专项04 跨学科专题(二)

专项04跨学科专题(二)Ⅰ.单项选择1.(2022安徽中考)—Idomorningexerciseseveryday.Itworksmywholebody.—It'sagoodhabit.Ithelpsyoukeepingood.

A.time B.touch C.health D.silence2.(2022山东东营中考)Dentist:Madam,twenty-fivedollarsforpullingyourson'stooth,please.Madam:Twenty-fivedollars!Butyoutoldmefivedollarseachpatient.Dentist:Yes.Butyoursoncriedsoloud.Hescaredaway(吓跑)otherpatients.

A.four B.five C.twenty D.twenty-five3.(2022江苏宿迁中考)Mygrandmaisgoodatpaper-cutting.Shecancutoutpicturesintheofcartooncharacters.

A.ability B.weight C.shape D.qualityⅡ.读写综合(2022内蒙古通辽中考)DNAisthewhole“map”ofthehumanbody.Itissomethingthatallhumanshave,andittellsthebodywhattodo.DNAisthereasonthatwelooklikeourparents,becausewegetsomeoftheirDNAtomakeourown.Peoplehavebeentryingtounderstandthehumanbodyforalongtime.In1860,Mr.Mendeldiscoveredwhywelooksimilartootherpeopleinourfamily.Itisbecauseofsmallthingscalled“genes”inourbody.In1953,twoscientists,WatsonandCrick,foundoutthatthosesmallpartsarerealmessages.TheyarewrittenintheDNAwithaspeciallanguage.In1961,anothertwoscientistsfoundthefirst“word”thattheycouldunderstandinthatlanguage.ItshowshowDNAtellsthecell(细胞)tobuilditsparts.Sofar,scientistshavefoundallthewordsintheDNAmap,butwedonotunderstandwhattheyalldo.Byunderstandingwhatjustone“word”means,wecanhelptosavepeoplefromseveralillnesses.Sothemoreweunderstand,themoredoctorswillbeabletodo.Mostpeoplehopethatthiswillhelptomakebettermedicinetohelpsickpeople.Otherpeopleworrythatwhenwelearnmore“words”andfindoutmoreinformation,wewilluseitinthewrongway,justtomakepeoplemoreattractive,orstopsickpeoplegettingjobs.根据短文内容,请用完整句子回答下列问题。4.Whydowelooklikeourparents?

5.Whatdidthetwoscientistsfindin1961?

6.Howcanwehelpsickpeopleifweunderstandmore“words”intheDNAmap?

7.Whatdoestheunderlinedword“They”referto?

8.Whatcanweknowfromthelastparagraph?

专项04跨学科专题(二)答案全解全析Ⅰ.1.C此处表示:每天做早操是好习惯,有助于你保持身体健康。ingoodhealth身体健康。故选C。2.A牙医:夫人,给您儿子拔牙要25美元。夫人:25美元!但是你告诉我每个病人5美元。牙医:是的。但是您的儿子哭得那么大声。他吓跑了另外四个病人。25(美元)÷5(美元)=5(人)。5(人)-1(夫人的儿子)=4(人)。故选A。3.C句意:我奶奶擅长剪纸。她能剪出卡通人物形状的图片。ability能力;weight体重;shape形状,外形;quality质量。根据固定搭配intheshapeof(呈……的形状)可知选C。Ⅱ.[语篇解读]本文是一篇说明文。主要介绍了DNA的发现历史,并介绍了这一发现对于人类生活的影响。4.WelooklikeourparentsbecausewegetsomeoftheirDNAtomakeourown.细节理解题。根据第一段第三句可知,我们体内有父母的DNA,所以我们像我们的父母。5.Theyfoundthefirst“word”thattheycouldunderstandinthatlanguage.细节理解题。根据“In1961,anothertwoscientistsfoundthefirst‘word’thattheycouldunderstandinthatlanguage.”可知,1961年,两位科学家发现了他们在这种语言中可以理解的第一个“单词”。6.Wecanhelpsickpeoplebymakingbettermedicine.细节理解题。根据“Mostpeoplehopethatthiswillhelptomakebettermedicinetohelpsickpeople.”可知,如果我们发现更多的DNA信息,我们可以通过制造更好的药来帮助病人。7.“They”refersto“genes”.细节理解题。根据“Itisbecauseofsmallthingscalled‘genes’inourbody...intheDNAwithaspeciallanguage.”可知,科学家发现人体内有基因,它们用一