高一英语人教版必修2练习：3.3 grammar & writing 含答案 .doc

《高一英语人教版必修2练习：3.3 grammar & writing 含答案 .doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、3.3课时作业Ⅰ.用括号内所给动词的适当形式填空1．Withthehelpofhightechnology,moreandmorenewsubstances________(discover)inthepast50years.2．Theconstructionofthenewbridge________(complete)bynow.3．She________(laugh)atbyherclassmatessinceshewasyoung.4．Everypossiblemeans________(try)tosavethewildanimalsuptonow.5．How

2、manysuggestions________(give)toyousofar?6．Theplans________(study)bytheexpertsforfourtimes.7．Thisisthesecondtimethathe________(praise)byhisteachersthisweek.8．Muchofitstraditionalfolkculture________(keep)aliveeversinceitwasborn.9．Alot________(do)intherecoveryofnationaleconomyinthepastfewye

3、ars.10．Studentsaretoldtomakesurethatthewindows________(close)beforeleavingtheclassroom.答案：1.havebeendiscovered　2.hasbeencompleted3．hasbeenlaughed　4.hasbeentried5．havebeengiven　6.havebeenstudied7．hasbeenpraised　8.hasbeenkept9．hasbeendone　10.havebeenclosedⅡ.将下列句子改为被动语态1．Theyhaveputthecompu

4、terintoarobot.________________________________________________________________________2．Wehavefinishedtheworknow.________________________________________________________________________3．Hehasgiventhechildsomeinterestingbooks.______________________________________________________________

5、__________4．Havetheyreturnedthebookyet?________________________________________________________________________5．Overtime,peoplehavechangedmealot.________________________________________________________________________6．Anewvirushasattackedmycomputer._____________________________________

6、___________________________________7．Ihavemadehimstudyhard.________________________________________________________________________8．Haveyoufoundwaystomakewastewaterclean?________________________________________________________________________答案：1．Thecomputerhasbeenputintoarobotbythem.2．

7、Theworkhasbeenfinishedbyusnow.3．Thechildhasbeengivensomeinterestingbooksbyhim./Someinterestingbookshavebeengiventothechildbyhim.4．Hasthebookbeenreturnedbythemyet?5．Overtime,Ihavebeenchangedalotbypeople.6．Mycomputerhasbeenattackedbyanewvirus.7．Hehasbeenmadetostudyhardbyme.