大学英语听力1Unit-2

大学英语听力1Unit2Task1

【原文】

1)TheyliveinAfricaandIndia.Theyhavefourlegsandatail.Theyareverybigandverystrong.Theyareintelligent,too.Theyhaveatrunkandsomeofthemhavetusks.Theysometimeslivefor70years.

2)TheyliveinAfricaandAsia.Theyarebrown.Theyhavearmsandlegs,buttheydonthaveatail.Theirarmsareverylongandtheyhavebigears.Theyaregoodclimbers.Theyareveryintelligent,too.

3)TheyliveinAfrica.Theyareverytall.Theyhavefourlegs,atailandaverylongneck.Theyeatleavesandtwigs.Theycanrunveryfast.Theyarebrownandwhite.

4)Theyliveinverycoldcountries.Theyhavewings,buttheycantfly.Theyaregoodswimmers.Theyeatfish.Theyareblueandwhiteorblackandwhite.

5)TheyliveinAustralia.Theyareredorgray.Theyhaveshortfrontlegs,longbacklegsandaverylongtail.Thebacklegsandthetailareverystrong.Theycanrunveryfast.Thefemalecarrytheiryounginapouch.

6)TheyliveinAfrica.Theyhavefourlegsandatail.Theyhaveabeautifulcoatwithblackandwhiteorbrownandwhitestripes.Theyeatgrassandplants.

7)Theyliveinverycoldcountries.Theyhavefourlegs.Theyareverybigandverystrong.Theyhaveawhitecoat.Theycanswim.Theyeatsealsandfish.

Task2

【原文】

Thefastestanimalonlandisthecheetah.Itcanrunataspeedofabout100kilometresanhour.Thefastestbirdintheworldcanflyat170km/h,andthefastestfishcanswimatmorethan100km/h.

Humanbeingsarenotveryfast.Thefastestmanintheworldcanonlyrunatabout40km/h.

Manyanimalscanrunfasterthanthis.Butmostanimalsrunonfourlegs.Fourlegsarebetterthantwo,arentthey?Whydoweonlyhavetwolegs?

Scientistssaythatwearemoreintelligentthanotheranimalsbecausewestandontwolegs,sowecanuseourhandsforotherthings.Wecanpickthingsupwiththem.Wecanusetools.Humanbeingshaveusedtoolsformillionsofyears.Thatiswhyourbrainshavedeveloped.Thatiswhywehavebecomethemostintelligentanimalsintheworld.

Inthepastfewyears,wehavemadeallkindsofmachines.Wehavemadecars,ships,aeroplanesandspacecraft.Inthesemachineswecantravelfasterthananyanimal—byland,bysea,orbyair.Wecanevengotothemoon.Nootheranimalhaseverdonethat!

Task3

【原文】

A:Youknow,werestudyingdinosaursinscienceclass.Itsreallyinteresting.

B:Oh,yeah?Hey,haveyoulearnedwhythedinosaursdisappeared?

A:Well,nooneknowsforsure.

B:Ithoughtithadsomethingtodowiththeclimate.Thetemperaturemighthavegottencoolerandkilledthemoff.

A:Yeah,thatsonetheory.Anotherideaisthattheymayhaverunout