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Unit6SectionBUsinglanguage

一、选词填空

foraninstant,approveof,besuitablefor,aminimumof,growup,haveasay,infact,behindthewheel,takeresponsibilityfor,contributeto

1.You’llchangeyourmindasyou________.?

2.We________inthedecisiontosellthecompany.?

3._______,lightisaformofenergy.?

4.Whowas_______whenthecarcrashed??

5.Someonehadto________themistake.?

6.Hehesitated__________.?

7.Youmadeagooddecision,andIthoroughly_______it.?

8.Idon’tthinkIshould_______thejob.?

9.Thiswilltakeonehour.?

10.Honestyandhardwork______successandhappiness.

二、阅读理解

Mostpeopleagreethathonestyisagoodthing.ButdoesMotherNatureagree?Animalscanttalk,butcantheylieinotherways?Cantheyliewiththeirbodiesandbehavior?Animalexpertsmaynotcallitlying,buttheydoagreethatmanyanimals,frombirdstochimpanzees,behavedishonestlytofoolotheranimals.Why?Dishonestyoftenhelpsthemsurvive.

Manykindsofbirdsareverysuccessfulatfoolingotheranimals.Forexample,abirdcalledtheploversometimespretendstobehurtinordertoprotectitsyoung.Whenapredator(猎食动物)getsclosetoitsnest,theploverleadsthepredatorawayfromthenest.How?Itpretendstohaveabrokenwing.Thepredatorfollowsthe“hurt”adult,leavingthebabybirdssafeinthenest.

Anotherkindofbird,thescrubjay,buriesitsfoodsoitalwayshassomethingtoeat.Scrubjaysarealsothieves.Theywatchwhereothersburytheirfoodandstealit.Butcleverscrubjaysseemtoknowwhenathiefiswatchingthem.Sotheygobacklater,unburythefood,andburyitagainsomewhereelse.

Birdscalledcuckooshavefoundawaytohavebabieswithoutdoingmuchwork.How?Theydontmakenests.Instead,theygetintootherbirdsnestssecretly.Thentheylaytheireggsandflyaway.Whenthebabybirdscomeout,theiradoptiveparentsfeedthem.

Chimpanzees,orchimps,canalso