高考英语短文阅读天天练习题3

《高考英语短文阅读天天练习题3》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、ADoyouknowthataturtlecanlay12eggsinoneminute?Alargeseaturtlelaysaround150eggsatatime.Shelaysalltheseeggsinjustafewminutes.Largeseaturtlesliveinthewarmseasoftheworld.Exceptforwhentheylaytheireggs,theyspendtheirwholelivesinthewater.Whenitistimetolaytheireggs,th

2、efemalesswimtoland.Theyusuallyreturntotheplacewheretheythemselveswereborn.Howtheyfindtheirwaybackthereisunknown.Whentheyreachshore,thebig,heavyturtlescrawlslowlyuptothehighwatermark.Usingtheirflippers,theypullthemselvesalongthesand.Theymuststrugglelikemountai

3、nclimbers.Whentheyfinallyreachdrysand,theyrestbeforebeginningthedifficulttaskoflayingeggs.Theturtleslaytheeggsindeepholesandcoverthemwithwarmsand.Thesandprotectstheeggsfromharm.Thenthefemalesleavethem.Afterafewweeks,ifyouhappenedtobewalkingalongthebeach,youmi

4、ghtseethesandbegintoshake.Youmayseetinyblackballscomingoutofthesand.Thetinyheadsofbabyturtles!41.Whichsentenceexpressesthemainidea?A.Seaturtleshaveinterestinglifehabits.B.Seaturtlesswimtoshoretolaytheireggs.C.Largeseaturtleslaytheireggsinspecialways.D.Seaturt

5、lesenjoystayinginthesand.42.Turtlesburytheireggstoprotectthemfrom_________.A.deepwaterB.dangerC.heatD.badweather43.Wecanconcludefromthispassagethat__________A.manyturtlesdiewhileswimmingtoshoreB.femaleturtlesprotecttheirbabiesC.onceturtlesland,theyneverreturn

6、tothesea.D.thejoboflayingeggstakesgreatstrength.44.Thewritercomparesturtlestoclimbers___________.A.becausetheylaytheireggsinmountainareas.B.togiveyouapictureofhowhardtheyworkC.totellyouthattheyliketoclimb.D.toshowthatmountainclimbersareasslowasturtles.BDNAisa

7、substancethatmakesupgenes.Everythingalivehasgenes.Plantshavegenes.Animalshavegenes.Youhavegenes.Genesarethebasicunitsofheredity(遗传).Hereditymeansallthecharacteristicsyouinheritfromyourparents.Yougetyourgenesfromyourparents.Youinherithalfofyourgenesfromyourmot

8、her.Youinherithalfofyourgenesfromyourfather.Genesareakindofcode.Atree’sgenestellwhatshapeitsleaveswillbe.Acat’sgenestellwhatcoloritsfurwillbe.Yourgenestellwhatcoloryoureyeswillbe.Yourgene