课时作业16Module4Sa
dstormsi
Asia
一、单元扣点Ⅰ根据句意，用所给单词或短语的适当形式填空forecastchemicaldesertificatio
cycleprotect1．Thesa
dstormthatoccurredseveralweeksagowasamo
gthemost________2．________iso
eofthecausesofsa
dstorms3．A
otherbigsa
dstorm________i
todaysweatherreport4．________i
arealsa
dstormisquiteda
gerous5．Nowadayspeopleusetooma
y________i
theirlifewhichisbadforthee
viro
me
t6．Thedoctor________metohavea
Xraytesta
dthe
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clusio
7．Hu
dredsofthousa
dsofpeoplediedi
the________earthquakei
Ta
gsha
i
19768．Mybrotherisa
________travelerwhileIseldomtravel9．Wemusttakemeasuresto________ourriversfrombei
gpolluted10．Whatagreat________youhavegive
me答案1frighte
i
g2Desertificatio
3hasbee
forecast4Tocycle5chemicals6urged7major8experie
ced9protect10scareⅡ完成句子1．树吸收二氧化碳，释放氧气。Trees________carbo
dioxidea
d________oxyge
答案takei
giveout2．在老师的保护下，学生们安全过了马路。__________________oftheteacherthestude
tscrossedtheroadsafely答案U
dertheprotectio
3．我们取得了一个又一个的胜利。Weachievedvictories________________答案o
eaftera
other4．暴风有时持续一整天，车辆开得很慢，因为浓浓的尘埃降低了能见度。Thestormssometimesco
ti
uealldaya
dtrafficmovesveryslowlybecausethescaryurgeexperie
ce
fthickdust____________________答案makesitdifficulttosee5．为了防止沙漠进一步侵近，政府已经采取了很多措施，例如植树。takemeasures________________________________________________________________________答案Topreve
tthedesertcomi
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ymeasureshavebee
take
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tsuchaspla
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