阅读理解
IfyoutravelbyairacrossthecentreofAfricaorsouth.
Americayouflyoverforestsforthousandsofkilometres.Thesegreatforestsaretheoceansoftrees.Therearefullofthousandsandthousandsofdifferentkindsofplantsandanimals.
Howevertheworldsforestsaregettingsmallerallthetime.Wearecuttingdownthetreesbecauseweneedwoodandweneedmorefarmland.Somepeoplesaythattherewillnotbeanyforestslikethesein20or30years.Whatwillhappeniftheydisappear?
Ifwecutdownourforestsalotofplantsandanimalswilldisappearfromtheworld.Inalotofplacesthenewfarmlandwillsoonlookliketheolddeserts.Cropswillnotgrowthere.Itwillnotrainveryoftenandtheweatherwillgetveryhot.Perhapstheclimateoftheworldwillchange.Thiswillbedangerousforeveryoneintheworld.Thatiswhywemusttakecareofourforests.
1.Thepassagemainlytellsusabout________.
[]
A.theimportanceoftakingcareofourplants
B.theresultofcuttingdownthetrees
C.thelocationsofgreatforests
D.thereasonsforformingthedeserts
2.Whichofthefollowingistrueaccordingtothepassage?
[]
A.AfricaandSouthAmericaaretheoceansoftrees.
B.Forestsarehomesfordifferentkindsofanimals.
C.Forestsareusuallyseveralsquarekilometreslarge.
D.Differentplantscan’tbefoundinthesameforest.
3.Theneedformorewoodandmorelandresultsin________.
[]
A.thechangeoftheworldclimate
B.thedisappearanceofmanyplantsandanimals
C.moredesertsandlessfarmland
D.alloftheabove
4.Whatwillhappenin20or30yearsinsomepeople’sview?
[]
A.We’llhavemoreandgreaterforests.
B.We’llhaveenoughlandtosupportourpeople.
C.We’llhavenoforestslikethoseinthecentreofAfrica.
D.We’llhaveenoughwoodtodosomecooking.
5.Thewriterthinks________.
[]
A.itdangerousforeveryonetocutdowntheforests
B.itnecessaryforeveryonetoprotecttheforests
C.itimpossibleforeveryonetotakecareoftheworld