Unit3ConservationSectionATopicTalk课堂练习高中英语北师大版选择性

Unit3ConservationSectionATopicTalkⅠ.单词拼写1．Batssleepinthedaytimeandeoutto________(猎取)forfoodatnightregularly.2．Thisinnovativedesignmakesthekite________(令人难以置信地)stable.3．Theleadershipwascalledupthreetimesduringthenighttoattendto________(紧急的)cases.4．Becausedinosaursare________(灭绝的),thescientistshaveverylittletogoonanalysingthem.5．Wehadtwoverypracticaland________(有教育意义的)presentations.6．Thepoisonedfoodhasbeenremovedfromtheshopsandthereisno________(威胁)topublichealth,whichismotivating.7．First,thepetitorshould________(打开)themachineon.8．Hecouldfaceachargeof________(非法地)importingpoultry.9．Weshallstressonthemitted________(保护)ofournaturalresources.10．Ifthetreefallsthatway,itwillextremely________(毁坏)thehouse.11．Weshould________(回收利用)enormousgarbage,notburnit.Ⅱ.短语填空switchon,theamountof,havearolein,doone'spart,underthreat,beurgenttodo1．Itisrecognisedthat____________sleepweneedvariesfrompersontoperson.2．Wildlifeis____________andtheconservationofthemisnecessary.3．Theactivity____________beorganised,soitcan'tbedelayed.4．Please____________theradiotohearthenewspresentationandweatherforecast.5．Teachersmust____________tomotivatetheirstudents.6．Educationcan____________decreasingthecrimerate.Ⅲ.单句语法填空1．Becauseofallthisextratime,therewasnosenseof________(urgent)todomyschoolworkimmediately.2．Thereareenergysavingstobemadefromall________(recycle)materials,sometimeshugesavings.3．However,thetwozookeepersdidn'twanttoseethe________(extinct)ofthispreciousspecies.4．Itsoundscrazytotalkaboutguiltfreefur—unlessyouunderstandthatthenutria________(destroy)vastwetlandseveryyear.5．Travellingtoconferences,lectures,workshops,andthelike—frequentlybyplane—hasbeenviewedasimportantforscientiststogettogetherandexchange________(inform).6．Howmuchtimeandmoneywoulditcosttoreplacethe________(content)ofthatlittlewallet?7．Apanyrepresentativewrotebackandtoldmetheairlinewasswitchingovertheplastic________papercupsonallofits1，200dailyflights.8．Itpreventspeoplewhoarecut________fromsocietyfallingvictimtocheaters.9．Rapideconomicdevelopment________(threaten)animalhabitats.Ⅳ.完成句子1．Polishingupyourarticle________________________________(在写作中起着非常重要的作用).2．Moreandmorepeoplenowadayschoosetoarise________________________(保护他们的合法权利).3．Readingisashortcuttolearnnewthingsand__________________________(保持消息灵通).4．Seeingthatshewasn'tinterestedinhistory,he______________________(把话题转向了时尚).5．Ifwe____________________________________(继续破坏森林),landdesertification(沙漠化)willbeunavoidable.6．Thekeyofgarbageclassificationliesinthe______________________(对于可回收和不可回收垃圾的准确识别).Ⅰ.单词拼写1．rmative6.threat7.switch8.illegally9.conservation10.destroy11．recycleⅡ.短语填空1．theamountof2.underthreat3.isurgentto4.switchon5.dotheirparts6.havearoleinⅢ.单句语法填空1．答案与解析：urgencyasenseofurgency紧迫感。句意：由于所有这些额外的时间，我没有立即去做功课的紧迫感。2．答案与解析：recyclablematerials前应用定语修饰，故应用recycle的形容词形式。句意：所有可回收的材料都能节省能源，有时还能节省很多能源。3．答案与解析：extinction此处应用名词形式作see的宾语。句意：然而，这两位动物园管理员并不想看到这种珍贵物种的灭绝。4．答案与解析：aredestroying由语境可知，此处表示动作正在进行，要用现在进行时。句意：谈论没有负罪感的皮毛听起来很疯狂——除非你知道海狸鼠每年都在破坏大片湿地。5．答案与解析：informationexchangeinformation交流信息。句意：对于科学家来说，经常乘坐飞机参加会议、演讲、研讨会等活动对于他们聚在一起交流信息至关重要。6．答案与解析：contentscontent表示“所容纳之物；所含之物；内容”时常用复数形式。句意：换掉那个小钱包里的东西要花多少时间和金钱？7．答案与解析：toswitchover...to...将……更换为……。句意：一位公司代表回信告诉我，该航空公司每天的1200个航班都将把塑料杯换成纸杯。8．答案与解析：offcutoff断绝，切断与……的联系。句意：它防止那些与社会隔绝的人成为骗子的受害者。9．答案与解析：threatens由语境可知，此处作句子的谓语，并且主语是抽象名词，要用第三人称单数形式。句意：经济的快速发展威胁着动物的栖息地。Ⅳ.完成句子1．p