2010届高考英语短文阅读天天练习题3

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1、2010届高考英语短文阅读天天练习题3Z第B二B教-育R资b源网　　A　　Doyouknowthataturtlecanlay12eggsinoneminute?Alargeseaturtlelaysaround150eggsatatime.Shelaysalltheseeggsinjustafewminutes.　　Largeseaturtlesliveinthewarmseasoftheworld.Exceptforwhentheylaytheireggs,theyspendtheirwholelivesinthewate

2、r.Whenitistimetolaytheireggs,thefemalesswimtoland.Theyusuallyreturntotheplacewheretheythemselveswereborn.Howtheyfindtheirwaybackthereisunknown.　　Whentheyreachshore,thebig,heavyturtlescrawlslowlyuptothehighwatermark.Usingtheirflippers,theypullthemselvesalongthesand.Th

3、eymuststrugglelikemountainclimbers.Whentheyfinallyreachdrysand,theyrestbeforebeginningthedifficulttaskoflayingeggs.　　Theturtleslaytheeggsindeepholesandcoverthemwithwarmsand.Thesandprotectstheeggsfromharm.Thenthefemalesleavethem.Afterafewweeks,ifyouhappenedtobewalking

4、alongthebeach,youmightseethesandbegintoshake.Youmayseetinyblackballscomingoutofthesand.Thetinyheadsofbabyturtles!　　41.Whichsentenceexpressesthemainidea?　　A.Seaturtleshaveinterestinglifehabits.　　B.Seaturtlesswimtoshoretolaytheireggs.　　C.Largeseaturtleslaytheireggsinsp

5、ecialways.　　D.Seaturtlesenjoystayinginthesand.　　42.Turtlesburytheireggstoprotectthemfrom_________.　　A.deepwaterB.dangerC.heatD.badweather　　43.Wecanconcludefromthispassagethat__________　　A.manyturtlesdiewhileswimmingtoshore　　B.femaleturtlesprotecttheirbabies　　C.oncetu

6、rtlesland,theyneverreturntothesea.　　D.thejoboflayingeggstakesgreatstrength.　　44.Thewritercomparesturtlestoclimbers___________.　　A.becausetheylaytheireggsinmountainareas.　　B.togiveyouapictureofhowhardtheywork　　C.totellyouthattheyliketoclimb.　　D.toshowthatmountainclimb

7、ersareasslowasturtles.　　B　　DNAisasubstancethatmakesupgenes.Everythingalivehasgenes.Plantshavegenes.Animalshavegenes.Youhavegenes.Genesarethebasicunitsofheredity(遗传).Hereditymeansallthecharacteristicsyouinheritfromyourparents.Yougetyourgenesfromyourparents.Youinherith

8、alfofyourgenesfromyourmother.Youinherithalfofyourgenesfromyourfather.Genesareakindofcode.Atree’sgenestellwhatshapeitsleaveswillbe.A