河北省承德市第一中学2020_2021学年高二英语下学期第三次周测试题.doc

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1、考试某某省某某市第一中学2020-2021学年高二英语下学期第三次周测试题本试卷满分100分，时间45分钟I．阅读理解(每题2.5分，总分27.5分)AWhales，likedolphins，belongtoagroupofmammalscalled“cetaceans”．ThisnameesfromaLatinwordmeaning“largeseaanimals”．Thereareatleastseventy-fivekindsofcetaceans.Scientistsdividethevariouskindsintotwomajo

2、rgroups—baleenwhales，whichdonothaveteeth，andtoothedwhales，whichhaveteeth.Whaleshavethesamebasicshapeasfish，buttheydifferfromfishinmanyways.Themostnoticeabledifferenceisthetail.Fishhaveverticaltailfins(鳍)，butwhaleshavehorizontaltailfins.Fishbreathebymeansofgills(鳃)，whilewh

3、aleshavelungsandmustetothesurfacetobreathe.Buttheycanholdtheirbreathforlongperiods.Likeothermammals，whalesgivebirthtoliveyoungandfeedthemwithmilkproducedbythemother’sbody.Mostfish，however，layeggsanddonotfeedtheiryoung.Whalesarealsowarm-blooded—thatis，theirbodytemperaturer

4、emainsaboutthesameallthetime.Almostallfisharecold-blooded.Theirbodytemperaturechangeswithchangesinthetemperatureofthewater.Whaleshaveahighlydevelopedbrainandtheyarehighlyadvancedlifeforms.Theysingtotheiryoung，engageinplexfamilyrelationships，andtheirmunicationskillsarefine

5、.InDecember2005，awhale，afterbeingrescuedfromfishingnets，didn’tjustswimbacktodeepwater.Ithungaroundandtouchedeachofthediverswithitsmouth.“Knowingthatitwasfree，itstoppedaboutafootawayfromme，pushed12/12考试mearoundalittlebitandhadsomefun，”saiddivemasterJamesMoskito.Hethoughtit

6、was“oneofthemostfantasticmoments”ofhislife.　　1．AccordingtoParagraph1，whichofthefollowingshowsthecorrectrelationship?A．Mammalsareatypeofcetacean.B．Cetaceansarenotatypeofmammal.C．Whalesbelongtothecetaceanfamily.D．Mammalsareatypeofwhale.2．WhichofthefollowingisNOTadifferenceb

7、etweenwhalesandfish?A．Whalesbreathebymeansoflungs.B．Whaleshavetailfins.C．Whalesfeedtheiryoungwithmilk.D．Awhale’sbodytemperaturenearlydoesn’tchange.3．Whydidn’tthewhaleswimbacktotheseaafteritwassaved?A．Itlostitswayinthesea.B．Itwasseriouslywounded.C．Itwasfrightenedbythediver

8、s.D．Itwantedtothankthedivers.BSomeyearsago，MichelAndrefoundhimselfstaringatthebodyofadeadwhaleon