【优化方案】高二英语（人教版必修7）Unit3SectionⅡ课时作业

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1、丨阀读理解Whatdoyouknowaboutthesea?Youmayhaveseenit.Someofushaveswumorbathedinit.ltlooksbeautifulonafinesunnydayanditcanbeveryroughwhenthereisastrongwind.Whatotherthingsdoweknowaboutit?Ofcourse,theseaisverylarge.Intheworldthereismoreseathanland.Theseacoversthreequartersofth

2、eearth.Theseaisalsoverydeepinsomeplaces.ltisnotdeepeverywhere；somepartsofitareverygreat.Atonespot,nearJapantheseaisnearly11kilometresdeep!Justthinkofit,thehighestmountainintheworldisonly9kilometreshigh!Ifyouhaveswuminthesea,youknowthatthewaterissalty.Riverscairysaltfro

3、mthelandintothesea-Somepartsoftheseaaremoresaltythanotherparts.DoyouknowtheDeadSeainArabia?Itisverysalty.Swimmerscannotsinkinit!FishcannotliveintheDeadSea.ltisastrangesea.Inmostpartsofthesea,therearealotoffishesandplants.Somelivenearthetopofthesea.Otherslivedeepdown.No

4、sunlightcanreachthedepthofthesea.Soitiscompletelydark.Strangefisheslivethere.Someareblind.Somehavetheirownlights.Somehavegreatjaws（口部）•Withtheirgreatjaws,theyswallowfishlargerthanthemselves.Theseacanbeverycold.Deepseadiversknowthiswell.Atthetopthewatermaybewarm.Thenast

5、hediversgodown,theseabecomescolderandcolder.Manyscientistsarenowmakingastudyofanimalandplantlifeinthesea.Theyhopetofindnewresourcesformankind・【解题导语】本文介绍了大海的情况。海的面积、密度及里面的生物等。1•WhichofthefollowingstatementsisNOTtrue?A.Landcoversonefourthoftheareaoftheearth.B・Thedepthsof

6、theseaaredifferentindifferentplaces・C.ThedepthoftheseaatonespotnearJapanisnearlytheheightofthehighestmountain.D・Thesaltintheseamainlycomesfromtheland・解析：选C。细节理解题。根据第一段第十一、十二句话可知，世界上最高的山只有9千米，而靠近日本海洋的某一处深度可达到11千米，故C项错误。2.TheDeadSeaislifelessbecause・A.thewaterinitistooco

7、ldB・thewaterinitistoosaltyforanythingtogrowC・thewaterinitneverflowsD・nosunlightcanreachthebottomofthesea解析：选B。细节理解题。死海里鱼类不能生存就是因为死海的盐分太高，故B项正确。3.Wecanseetheunderlinedword“roughMinthispassagemeans・A.uglyB・noisyC.coldD.notcalm解析：选Do词义猜测题。根据下文"whenthereisastrongwind"可知,ro

8、ugh与notcalm同义。4.Whatdoesthewriterintendtotellusinthelastparagraph?A.Thenecessityofthestudyofthesea・B・Thepurposeofman'