2019-2020年高中英语 3.3 Grammar & Writing课时作业 新人教版必修2

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1、2019-2020年高中英语3.3Grammar&Writing课时作业新人教版必修2Ⅰ.用括号内所给动词的适当形式填空1．Withthehelpofhightechnology,moreandmorenewsubstances________(discover)inthepast50years.2．Theconstructionofthenewbridge________(plete)bynow.3．She________(laugh)atbyherclassmatessinceshewasyoung.4．Everypossiblemeans_

2、_______(try)tosavethewildanimalsuptonow.5．Howmanysuggestions________(give)toyousofar?6．Theplans________(study)bytheexpertsforfourtimes.7．Thisisthesecondtimethathe________(praise)byhisteachersthisweek.8．Muchofitstraditionalfolkculture________(keep)aliveeversinceitwasborn.9．Alo

3、t________(do)intherecoveryofnationaleconomyinthepastfewyears.10．Studentsaretoldtomakesurethatthewindows________(close)beforeleavingtheclassroom.答案：1.havebeendiscovered　2.hasbeenpleted3．hasbeenlaughed　4.hasbeentried5．havebeengiven　6.havebeenstudied7．hasbeenpraised　8.hasbeenkep

4、t9．hasbeendone　10.havebeenclosedⅡ.将下列句子改为被动语态1．Theyhaveputtheputerintoarobot.________________________________________________________________________2．Wehavefinishedtheworknow.________________________________________________________________________3．Hehasgiventhechildsomeinte

5、restingbooks.________________________________________________________________________4．Havetheyreturnedthebookyet?________________________________________________________________________5．Overtime,peoplehavechangedmealot._______________________________________________________

6、_________________6．Anewvirushasattackedmyputer.________________________________________________________________________7．Ihavemadehimstudyhard.________________________________________________________________________8．Haveyoufoundwaystomakewastewaterclean?_____________________

7、___________________________________________________答案：1．Theputerhasbeenputintoarobotbythem.2．Theworkhasbeenfinishedbyusnow.3．Thechildhasbeengivensomeinterestingbooksbyhim./Someinterestingbookshavebeengiventothechildbyhim.4．Hasthebookbeenreturnedbythemyet?5．Overtime,Ihavebeenc

8、hangedalotbypeople.6．Myputerhasbeenattackedbyanewvirus.7．Hehasbeenma