2019届高中英语能力练unit4astronomythescienceofthestarssectionⅴsummary

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1、SectionⅤ　Summary&WritingⅠ　重点词汇1．systemn．系统；体系；制度2．in_time及时；终于→ontime准时→soonerorlater迟早3．harmfuladj.有害的→beharmful_to对……有害4．inone'sturn轮到某人→It'sone'sturntodosth.轮到某人做某事→in_turn轮流；相应地→by_turns交替地5．prevent/stop...fromdoingsth.阻止……做某事keep...fromdoingsth.阻止……做某事6．now_that既然→sin

2、ce既然7．theoryn.理论；学说→theoreticaladj.理论的8．globen.地球仪→globaladj.全球的9．unlikeprep.与……不同；不像→likeprep.相似；像10．existvi.存在；生存→existencen.存在11．puzzlevt.&vi.(使)迷惑→puzzlingadj.令人迷惑的→puzzledadj.感到迷惑的12．biologyn.生物学→biologicaladj.生物的→biologistn.生物学家Ⅱ　教材原句1．What_it_was_to_becomewasuncerta

3、inuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.随后它会变成什么没人能知道，直到38～45亿年前，这团尘埃才慢慢地形成了一个固体的球状物。2．Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.地球(开始)变得激烈动荡，不知道这个固体形状是否会继续存在下去。3．What_is_even_more_important_is_thatastheearthcoole

4、ddown,waterbegantoappearonitssurface.更为重要的是，当地球平静下来时，水开始在地球表面出现了。4．Thisproducedachainreaction,which_made_it_possibleforlifeto_develop.这就产生了一种连锁反应，使得生命的发展成为可能。5．Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhether_this_problem_can_be_solved.所以，在未来的

5、数百万年中，生命能否在地球上延续取决于这个问题能否得到解决。Ⅲ　短文改错Lastmonth,Iwenttothemountainvillagewhichmygrandparentslive.ItisfiveyearsuntilIlastwentthere.Greatchangeshavebeentakenplaceinthepastfiveyears.HardlyhadIgotoffthebusthanahighwatertowercameintomyeyes.Nowvillagerscandrinkcleanedwater.Village

6、rsnolongusefirewoodasfuel.Naturalgas,anewtypeofcheapcleanenergy,makeitveryconvenienttocook.Asimpressedmemostwasthatthebestbuildinginthevillageisthelibraryintheschool.Allofthechildreninthevillagecanreceiveagoodeducation.Iwasgreatlyshockingtoseeallthechangesinthecountryside.

7、Ibelievethevillagerswillhavebetterlifeinthefuture.答案：Lastmonth,Iwenttothemountainvillagemygrandparentslive.ItisfiveyearsIlastwentthere.Greatchangeshavetakenplaceinthepastfiveyears.HardlyhadIgotoffthebusahighwatertowercameintomyeyes.Nowvillagerscandrinkwater.Villagersnousef

8、irewoodasfuel.Naturalgas,anewtypeofcheapcleanenergy,itveryconvenienttocook.impressedmemos