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Unit1ScienceandScientists

Readingandthinking分层作业

基础巩固

一、单句语法填空

1．Thewoundfromthedogbitehasbecome(infect).

2．Thebuildersoftheexpressway(link)JigzhiCountyinQinghaiProvincetoBarkamCountyinSichuanProvinceknowhowcomplexitistobuildaroadintheregion.

3．Theadvicewereceivecanbe(contradict)sometimesandwehavetomakedecisionsforourselves.

4．(suspect)ofbeinginvolvedintherecentstringofburglaries,hewassummonedbythepoliceforquestioning.

5．Inmanycountries,adrivinglicenseisavalid(prove)ofidentity.

6．Theevidencedemonstrateshoweasilypeoplecanholdmutually(contradict)beliefs.

7．Government(intervene)toregulatepricesaimstolessenthedestructiveeffectsofeconomicdepression.

8．Thenumberofindependentfirms(decrease)from198to96inthepastdecades.

9．Theyoungmanseemed（change）muchovertheyears.

10．Iwas(aware)ofhisexistenceuntilnow.

二、根据汉语提示单词拼写

11．(批评)bytheteacher,nowheseldomletoffsteamonhisteammatesanymore.

12．Itwasaneventthatwould(使转化)mylife.

13．(怀疑)ofdamagingthisculturalheritage,hewasarrestedbythepolice.

14．Youcan(定期订购)tothemagazineforaslittleas$32ayear.

15．Toouramazement,amassofalmost(纯的)whitecloudlaybelowus.

三、根据首字母提示单词拼写

16．Overtime,Sichuanhotpothasexpandedtoincludemoptionsofsoups,vegetables,meatsandsauces.

17．Ikeepgettingcadvice—somepeopletellmetocontinueandsometellmetogiveup.

18．Itwasclearthatthedriverwhorantheredlightintheaccidentwastob.

19．Acombinationoffactorsmayberesponsibleforthedincarsales.

20．ThroughSnow’stirelesseffort,watercompaniesbegantosellcleanwaterandthethreatof