人教高中英语同步练习必修 unit section ⅰ含答案.docx

Unit4Astronomy：thescienceofthestarsSectionⅠWarmingUp&Reading课时精练（人教版必修3，课标通用）
Ⅰ.课文缩写
Theearthwasjustacloudof__1__afterthe“BigBang”．Theearth__2__loudlywithfireandrock.Theywerein__3__toproducemanythings,whichweretomaketheearth'satmosphere.Astheearthcooleddown，waterbegantoappearonitssurface.Itallowedtheearthtodissolve__4__gases.Thenlifebegantodevelop.
Thefirstsmallplants__5__andfilledtheoceansandseaswithoxygen.Thisencouragedthe__6__ofearlyshellfishandfish.Landanimalssuchasinsects，reptilesanddinosaursandsoonappearedaftergreenplantsappeared.Smallcleveranimals__7__allovertheearth.Theyareputtingtoo__8__carbondioxideintotheatmosphere,which__9__heatfromtheearthintospace.Whetherlifewillcontinueontheearthformillionsofyearstocomewill__10__onwhetherthisproblemcanbesolved.
答案1.dust2.exploded3.time4.harmful5.multiplied6.development7.spread8.much9.prevents10.depend
Ⅱ.单词拼写
1．Hewasinterestedin________(天文学)andalwaysstayedupatnighttowatchthestars.
2．Computerhackershavebrokendownsecurity________(系统),raisingquestionsaboutthesafetyofinformation.
3．Toomuchsugarcanbe________(伤害)tochildren'steeth.
4．Thethree­starhoteloffersafriendly________(气氛)andpersonalservice.
5．Whatyoudidwould________(阻止)thechildrenfromplayingcomputergamestoomuch.
6．Mary's________(到场)atthepartylastnightwasnotnoticed.
7．6________(乘)by5is30.
8．________(理论)isbasedonpractice.
9．Notlongagoa________(剧烈)earthquakeoccurredoffthecoastofIndonesia.
10．Mysister________(困惑)meandcausesmeanxiety.
答案1.astronomy2.systems3.harmful4.atmosphere5.prevent6.presence7.multiplied8.Theory9.violent10.puzzles
Ⅲ.翻译与仿写
1．LastmonthIwasluckyenoughtohaveachancetomakeatripintospacewithmyfriendLiYanping,anastronomer.
翻译：_____________________________________________________
仿写：只有二十个学生被选出到国外学习，我很幸运成为其中一个。
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2．Whenwegetclosertothemoon,weshallfeelitsgravitypullingus,butitwillnotbeasstrongapullastheearth's.
翻译：______________________________________________________
仿写：她和她的姐姐一样有着吸引人的嗓音。
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