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ID:42355877
大小:25.21 KB
页数:5页
时间:2019-09-13
《人教版高中英语 课时精练:Unit4__Using__Language课时作业》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、课时精练:Unit4UsingLanguage课时作业Ⅰ.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,someofwhichcouldclimbtr
2、ees.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'sgiantpandashowsthea
3、chievementoftheinternationalefforttosaveanimalsthatarenowindanger.Intelevisionprogrammesweoftenseepandasplayingfunnygames.Childrenhavepandatoysandbeautifulcardswithpicturesoflovelypandasinthem.Theyoftenvisitthegiantpandasinthezooontheirholidayandhaveagoodtimethere.
4、However,scientistsareworriedaboutthefutureofgiantpandas.Theyknowonlyabout1,000giantpandasremainalivetoday.Theythinkthegiantpandawilldieoutin30yearsifthepresentconditionsarenotimproved.Itisreportedthatthegiantpandashaveaverylowbirthrate.About115pandasliveinzoosandre
5、searchcentresmainlyinChina,butduringthepasttenyearstheyproducedonly34youngpandasthatarestillalive.Survivalrateforgiantpandasinthewildareprobablythesameorlower.Thereareseveralreasonsforthelowbirthrate.Themainreasonisthatmalepandascanmakelovewithfemalesinaveryshortse
6、ason,onlyafewdaysayear.Whentheydohavebabies,femalesoftenproducetwopandas,butthemotherisusuallynotabletocareforbothofthem.Thenew-bornpandasweighonlyafewgramseach.Theyaretooweaktolivewithoutspecialcare.Inthezoo,scientistscanhelpthemotherscarefortheyoungpandas,butthos
7、elivinginthewilddonotgetenoughhelp.Itisverydifficultformotherpandastobringuptheiryoungpandas.Conditionsforthegiantpandashavebeenworseinrecentyears.PandasinChinacontinuetoreduceinnumber.Weknowpandasliveonbamboos.Butsometimesallthebamboosinoneareadie.Thepandasthereha
8、venothingtoeatanddieofhunger.GiantpandasnowliveinthirteenseparateprotectedareasinChina.SeveralyearsagotheChinesegovernmentandtheInternationalWild
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