2023-2024学年全国全部高中英语同步练习共15题(含答案解析)2024-06-15 072126.pdfVIP

1.语法填空

1.根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Youmaysaythatraincomesfromclouds,butyoucanalsosaythatrainisclouds.（1________,youshouldknowthemechanismthrough

whichwatermovesfromtheEarthtotheatmosphereandbackagain.

Dewpointisthetemperatureatwhichwatervaporbeginstocondense（凝结andbecomeswaterdropletsthatcanfallasrain.Dewpoint

canvaryanywherefromthe3s（Fahrenheitto,onrareoccasions,the8s.

（2________.Oncetheairhascooledpastthedewpoint,itcondensesaroundanucleus,whichareusuallytinyparticlesofdust,smoke

orevensaltthatarefloatingintheair.Thentinywaterdropletsareformed.（3________.Ifyoupaycloseattentiontocloudsinthesky,youll

seethattheyreconstantlyshrinkingandgrowing.

Watervaporthathasformedcloudsisonitswaytobecomingrain,butitsnotthereset.Fornow,thewaterdropletsaresotinythattheair

currentskeepthemintheair,justsswirlingparticlesofdustcanstayintheair.（4________

Whenwaterdropletscombinewithoneanother,theybecomeheavierthantheupliftftheairaroundthem.Eventuallytheyfalldownthrough

thecloudasrain.Besides,（________.Theyattractmorewatervaportothemselvesandgrowquicklyuntiltheyreheavyenoughtofallas

snow.

A.Raincloudisformedwhenthereisenoughwaterintheair

B.Aswarmairriseswiththewatervaporitcontains,itcools

C.Ifyouarecuriousaboutwhatkindofcloudwillbecomerain

D.Sometimesthedropletsrisehighenoughtofreezeintoicecrystals

E.Thetinywaterdropletsthatinitiallyformarewhatyouseeasclouds

F.Ifyouwantabetterunderstandingofwhyraincomesdownfromclouds

G.Asthosedropletscontinuetorise,theyhavetwowaystocomebacktoEarth

答案F,B,E,G,D

解析

（1F根据第一段的Youmaysaythatraincomesfromclouds,butyoucanalsosaythatrainisclouds.“你可能会说雨来自云，但你也可以说