阅读理解.从ABCD中选

阅读理解.从ABCD中选择合适的句子填入短文1-4中,然后为第5题选择正确答案. Firecanhelppeopleinmanyways.1.________Firecanheatwater,warmhouses,givelightandcook.But

firecanburnthings,too.Itcanburntrees,houses,animalsorpeople.Sometimesbigfirecanburnforests.

2.________Buttherearemanyinterestingstoriesaboutthefirsttimeamanorawomanstartedafire.One

storyfromAustraliatellsaboutamanvery,verylongtimeago.Hewentuptothesunbyaropeandbroughtfire

down.

Todaypeopleknowhowtomakeafirewithmatches.Childrensometimesliketoplaywiththem.But

matchescanbeverydangerous.Onematchcanburnapieceofpaper,andthenitmightburnahouse.Asmall

firecanbecomeabigfireveryfast.Firekillsmanypeopleeveryyear.Soyoumustbecarefulwithmatches.

3._______.Firesneedoxygen(氧气).Withoutoxygentheywilldie.Coverafirewithwater,sandorsometimes

withyourcoat.Thiskeepstheairawayfromafireandkillsit.4._______.Becarelesswithfire,anditwillburn

you.

A.Youshouldalsolearntoputoutfires.

B.Becarefulwithfire,anditwillhelpyou.

C.Nobodyknowsforsurehowpeoplebegantousefire.

D.Butitcanbeverydangerous.5.Whichofthefollowingisthemainideaofthispassage?[ ]A.Firecanhelppeopleinmanyways.

B.Firecanbebothhelpfulanddangerous.

C.Firecanburnthingsandpeople.

D.Wemustbecarefulwithmatches.