2019-2020年高中英语Unit7TheseaSectionⅣLesson4课时作业北师大版必修

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1、2019-2020年高中英语Unit7TheseaSectionⅣLesson4课时作业北师大版必修Ⅰ.单句语法填空1.Theseplantshaveto________________(water)asoftenaspossiblesothattheycan________(survivor)thehotsummerdays.答案：　bewatered；survive2．Itisdifficult________________(recognition)myfriendinsuchacrowd.答案：　torecognise3．Ifyouhaveajob，_______________

2、_(devote)yourselftoitandfinallyyou’llsucceed.答案：　dodevote4．Afterstayinginhospitalforlong，thepatientwasadvisedtogototheseasidetopick________hishealth.答案：　up5．Shelookssad.Couldyoupleasetellmewhatitis________preventsherfrombeingashappyasbefore?答案：　that6．MrSmithfoundthatgas________________(escape)fro

3、mthepipewhenhecamebackbecauseweforgottoswitchoff.Butatlastwewereluckytoescape________________(punish)．答案：　wasescaping；beingpunished7.Ittookalongtimeforhim________________(recovery)．答案：　torecover8．Thecountryhassentupthreeunmannedspacecrafts，themostrecent__________________________(launch)attheendof

4、lastmonth.答案：　havingbeenlaunchedⅡ.完成句子1．他的确在音乐会上表现很好。He______________________________ontheconcert.答案：　didperformwell2．没有食物和水我们活不了多久。Wecan’t______________________________withoutfoodandwater.答案：　surviveforlong3．他们朝着罗马的方向出发了。Theysetoff______________________________Rome.答案：　inthedirectionof4．这么多人缺席，会

5、议不得不推迟。______________________________，themeetinghadtobeputoff.答案：　Somanypeopleabsent5．我正在街上散步，突然发生了一起事故。I______________________________theaccidenthappened.答案：　waswalkinginthestreetwhenⅢ.阅读理解Domesticated(家养的)pigswerepresentinnorthernGermanyaround4600BC，some500yearsearlierthanpreviouslythought，newf

6、ossilandDNAevidencereveals.ThefindingissignificantbecausethepeoplelivinginthatpartofEuropeatthetimewereMesolithic(中石器时代)huntergathererswhoprimarilylivedonwildgame.Thesepeople，knownastheErtebΦlle，keptdomesticateddogsashuntingpanions，butitwouldbeseveralhundredyearsbeforetheybeganraisinganimalsandcr

7、opsforfood.Onehypothesisforhowthepeoplecametoacquirethepigsisthattheytradedforthemwiththeirfarmerneighborstothesouth.“Itwouldhavebeenhardforthehuntergatherersnottobefascinatedbythestrangelookingspottedpigsownedbyfarmer