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ID:20719686
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时间:2018-10-15
《高中英语《unit 4 wildlife protection》using language课时作业 新人教版必修21》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、《Unit4Wildlifeprotection》UsingLanguageⅠ.单词拼写1.Mostschoolsare________(视察)atleastonceayear.2.Hisstoriesusuallyhaveahappy________(结尾).3.Thehouseisguardedbya________(凶猛的)dog.4.Thetablewascoveredwithalayer(层)of________(灰尘).5.________(恐龙)wereverylargeanimals,someofwhichcouldclimbtree
2、s.6.What'sthecauseofthis________(事件)?7.Wearepaid________(根据)tohowmuchworkwedo.8.We________(感激)youreffortsforthedevelopmentofthecompany.9.Theyoungermanwill________(接替)Mr.Whiteasdirector.10.Once________(咬)byadogyoushouldgotoadoctor.Ⅱ.阅读理解AChina'sgiantpandashowstheachievementofthe
3、internationalefforttosaveanimalsthatarenowindanger.Intelevisionprogrammesweoftenseepandasplayingfunnygames.Childrenhavepandatoysandbeautifulcardswithpicturesoflovelypandasinthem.Theyoftenvisitthegiantpandasinthezooontheirholidayandhaveagoodtimethere.However,scientistsareworried
4、aboutthefutureofgiantpandas.Theyknowonlyabout1,000giantpandasremainalivetoday.Theythinkthegiantpandawilldieoutin30yearsifthepresentconditionsarenotimproved.Itisreportedthatthegiantpandashaveaverylowbirthrate.About115pandasliveinzoosandresearchcentresmainlyinChina,butduringthepa
5、sttenyearstheyproducedonly34youngpandasthatarestillalive.Survivalrateforgiantpandasinthewildareprobablythesameorlower.Thereareseveralreasonsforthelowbirthrate.Themainreasonisthatmalepandascanmakelovewithfemales5inaveryshortseason,onlyafewdaysayear.Whentheydohavebabies,femalesof
6、tenproducetwopandas,butthemotherisusuallynotabletocareforbothofthem.Thenew-bornpandasweighonlyafewgramseach.Theyaretooweaktolivewithoutspecialcare.Inthezoo,scientistscanhelpthemotherscarefortheyoungpandas,butthoselivinginthewilddonotgetenoughhelp.Itisverydifficultformotherpanda
7、stobringuptheiryoungpandas.Conditionsforthegiantpandashavebeenworseinrecentyears.PandasinChinacontinuetoreduceinnumber.Weknowpandasliveonbamboos.Butsometimesallthebamboosinoneareadie.Thepandastherehavenothingtoeatanddieofhunger.Giantpandasnowliveinthirteenseparateprotectedareas
8、inChina.SeveralyearsagotheChinesegovernmentandtheInter
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