Animalshavebeenkilledfortheirfurandfeathers,forfood,forsport,andsimplybecausetheywerein

theway.Thousandsofkindsofanimalshavedisappearedfromtheworldforever.Hundredsmoreareon

thedangerlisttoday.About170kindsintheUnitedStatesaloneareconsideredindanger.

Whyshouldpeoplecare?Becauseweneedanimals.Andbecauseoncetheyaregone,therewillnever

beanymore.

Animalsaremorethanjustbeautifulandinteresting.Theyaremorethanjustasourceoffood.Every

animalhasitsplaceinthebalanceofnature(生态平衡).Destroyingonekindofanimalcancreatemany

problems.

Forexample,whenfarmerskilledlargenumbersofhawks(老鹰),thefarmersstoresofcornandgrain

weredestroyedbyratsandmice.Why?Becausehawkseatratsandmice.Withnohawkstokeepdown

theirnumbers,theratsandmicemultiplied(繁殖)quickly.

Luckily,somepeopleareworkingtohelpsavetheanimals.Somegroupsraisemoneytoletpeopleknow

abouttheproblem.Andtheytrytogetthegovernmentstopasslawsprotectinganimalsindanger.

Quiteafewcountrieshavepassedlaws.Theselawsforbid(禁止)thekillingofanyanimalsorplants

onthedangerlist.Slowly,thenumberofsomeanimalsindangerisgrowing.

B.theyarebeautifulandlovely

C.theykeepthebalanceofnature

D.theygiveusalotofpleasure

B.Manykindsofanimalshavediedout.

C.About170kindsofanimalshavedisappearedforever.

D.Allkindsofanimalsareindanger.