阅读短文,根据短文内容回答问题。(共10分,每小题2分)
WhenwewanttofindoutwhattheweatherwillbeliketomorrowweusuallyturnontheTV.Butpeoplealsoneededtoforecast(predict)theweatherbeforetheyhadTV.Howdidtheydoitinthepast?They’dfindanoutdoorspacelookuplookaroundandlisten.
LookUP
Redskyatnightsailor’sdelight!
Redskyinthemorningsailorstakewarning!
Thisweatherpoemwaswrittenalongtimeagobutitstillworkstoday.Weatherinmanypartsofthewoldmovesfromwesttoeast.Whateverweatherisintheweattonightwillprobablybewithustomorrow.Soaredskyatnightasthesunissettingusuallymeansasunnydayforthenextday.
LookAround
Animalsinsectsandplantsarenaturalweatherforecasters.
Whenasummerstormiscomingyoumaynoticethatdogscowsandhorsesgrowrestless.Thesesanimalsdon’thavesomemysterioussixthsensebuttheydohavesuper-sensitivehearing.Scientiststhinktheanimalscanforecastthunderstorms(雷雨)becausetheycanhearthesoundwaves(声波)madebythemmanymilesaway.
Whenleavesshowtheirundersidesbeverycertainrainhappens.
Listen
Ifyouhearacricketitcantellyoutheexacttemperature.Justcountitschirps(啾啾声)forfourteensecondsandthenaddforty.ThiswillgiveyoutheFahrenheittemperatureofthecricketwithinaveryfewdegrees.Sincecricketsarecold-bloodedthetemperatureofthecricketisaboutthesameastheairaroundit.
Solearntopredicttheweatherthewaypeopledidinthepast.Getoutsidelookuplookaroundandlisten.Soonyou’llbeyourveryownweatherforecaster.
64.DidpeopleneedtoforecasttheweatherbeforetheyhadTV?
65.Whatdoesaredskyatnightmeanforthenextday?
66.Whycananimalsforecastthunderstorms?
67.Howcanweknowthetemperaturefromacricket?
68.Whatdoesthepassagemainlytellus?
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