Whalesliveintheoceanbuttheyarenotfish.Theyarewarm-bloodedmammalsandmusthaveairtobreathe.Thebabiesarebornaliveanddrinkmilkfromthemother'sbody.Ittookmillionsofyearsforthewhaletodevelopasitistoday.
Everyspringgroupsofwhalesswimhundredsofkilometerstowarmplacestobeartheiryoung.Eachgroupgoestothesameplaceeveryyear.Themotherstakeverygoodcareoftheirbabies.Thefullygrownwhalesareverygentleandplayfulwitheachotherandwithhumans.They“talk”toeachotherwithahighnoisethat soundsbeautiful.This“talking”canbeheardformorethan300kilometersinopenwaters.
Yethumanskilloverahundredwhalesaday.Theykillthemtomakewhaleoilsandalotofotherthings.Killingthemisamodernbusinesswithmodernmachinesandevenharpoons(鱼叉炮)thatexplode(爆炸)insidethewhales.Awhalediesveryslowlyandingreatpain.Someshipskilleverywhaletheycanfindeventhemothersandbabies.Thentherearenoyoungwhalestogrowuportobearmoreyoung.
1.Acommonlymistakenbeliefisthat____.
A．whalesaremammals |
B．whalesmusthaveairtobreathe |
C．whales'babiesdrinkmilk |
D．whalesarefish |
A．theanimalswhichliveinwater |
B．theanimalswhichhavewingsandfeathers |
C．theanimalswhicharefedontheirmothers'milk |
D．thethingswhichliveinearthandhavenobackbones |
A．swimonlyafewkilometers |
B．returntothesameplaceastheydidbefore |
C．gotodifferentplaces |
D．gotocoldplacestobeartheiryoung |
A．talking | B．whispering | C．quarreling | D．singing |