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1、Howmuchdoyouknowaboutthebirdworld閱讀理解答案 Howmuchdoyouknowaboutthebirdworld Birdsusethreegaits:walking,runningandhopping. Inwalking,theleftandtherightfeetmoveinturn(輪流).Eachfootisonthegroundformorethanhalfthetime,sotherearemoretimeswhenbothfeetareontheground.
2、Inrunning,eachfootisonthegroundforlessthanhalfthetime,andtherearemoretimeswhenbothfeetareofftheground.Inhopping,thefeetmovealmostatthesametime.Thismeansthatformuchofthetimebothfeetareofftheground. Middle-sizedandlargebirdswalkatlowspeedandeitherrunorhop17教育網(wǎng):
3、higherspeed.Smallbirds,suchassparrowsandswallows,usuallydonotwalk,becausewalkingmaybetooslowforthem.Itseemsthatthemoretimeabirdspendsintrees,themorelikelyitistohop.Perhapsthereiswidespaceinatreebetweenonethinbranch(樹枝)andthenext,sowalkingisnotagoodchoice,while
4、oneachsmallbranchthereisenoughroomtosetbothfeetdownsidebyside,sohoppingseemstomakesense. 1.Howisthebirdmovingwhenbothfeetareonthegroundformorethatime A.Byflying. B.Byrunning. C.Bywalking. D.Byhopping. 2.Whichofthefollowingshowsabirdishopping 3.Whydotheb
5、irdsintreesusuallymovebyhopping A.Spacebetweenthetwobranchesiswide. B.Thebirdsintreesaresmallinsize. C.Thereislittleroomtosetthebirds’feeton. D.Branchesarehighintheairofftheground. 4.Whichofthefollowingusuallymovesbyhopping A.Aduck. B.Achicken. C.Asnak
6、e. D.Asparrow. 5.Whatdoestheunderlinedword“gaits”mean A.Directionsofflying. B.Speedsofmoving. C.Waysofmoving. D.Timesofstayingintrees. 答案解析: 答案:1-5.CBADC