高一英语必修一课时作业Unit5IntothewildPeriodIStartingoutandUnderstandingIdeas

20202021学年高一英语外研版（2019）必修第一册同步课时作业Unit5PeriodIStartingoutandUnderstandingIdeas1.His___________(每年的)ineofthisyearistwiceasmuchasthatoflastyear.2.Moreforestcitieswillbebuiltforthepurposeofofferingauniquesolution____________thepollutionproblem.3.Itiswellknownthatabout71p___________oftheearth'ssurfaceiscoveredwithwater.4.Experiencingnaturehelpspeoplerecover______________thementaltirednessthatesfromdaytodaywork.5.Astheteachersaid,itishightimethatweconcentrated_____________ourstudy.6.Arrivingthere,hewas____________(shock)bythecity'sbeautifulsceneryandtallbuildings.7.Trysomethingneweverytimeyougotothemarketandyouwill____________(eventual)findsomethingyoulike.8.Ifweletthissituationgoasitis,ourenvironmentwillsufferagreat____________(destroy).9.Inrecentyears,theseturtleshavefacedthreatstotheir____________(survive).10.—个人越有学识,他通常就越谦虚。(learned;modest)_____________________________________11.我们应该釆取措施来保护环境免受污染。(measure)_____________________________________12.我只是来弄清楚是否一切都没有问题。(makesurethat...)_____________________________________•fortune)MarkTwainleftschoolearly,_______________________________________________________inSouthAmerica.Ourbrainislikeourbody.______________________weuseit,_______________________________________________________.15.

Everyautumn,millionsoftheNorthAmericanmonarchbutterfliesmanage①____________(travel)around4,000kilometressouthandfindtheirwaytoplaces

②____________theywillspendthewinter.

Ateamofscientists③____________(lead)byProfessorEliShlizermanattheUniversityofWashingtonhasdiscoveredthatthemonarchisabletotellthetimeofthedayandthenuses④____________(it)eyestomeasurethepositionofthesun.Thesetwo

Themonarch'spopulation⑥____________(crash)byasmuchasninetypercentinthelastfewyears.⑦____________(sad),humanactivityisthemainreasonwhy

⑧____________numberoftheNorthAmericanmonarchbutterfliesisfalling.

Theresearchonthemonarch'sbehaviourhashoweverled

⑨____________agreaterawarenessofthiscreature.Themoreweknowaboutthislovelycreature,the⑩____________(great)thechanceitwillsurvive.答案以及解析1.答案：annual解析：2.答案：to解析：句意为:建设更多的森林城市是为了提供一个解决污染问题的独特的方法。asolutionto为固定搭配,意为“……的解决方法”。故填to。3.答案：percent解析：4.答案：from

解析：句意为:体验大自然有助于人们从日复一日的工作产生的精神疲劳中恢复过来。recoverfrom意为“从......中恢复”。故填from。5.答案：on

解析：句意为:正如老师所说,现在该是我们集中精力学习的时候了。concentrateon意为“集中精力于

”。故填on。6.答案：shocked解析：句意为:到达那里时,他对那座城市的美景和高楼感到震惊。设空处作表语,形容主语he的状态,应用shocked,表示“震惊的”。7.答案：eventually解析：句意为:每次去市场时尝试一些新的东西,最后你就会找到你喜欢的东西了。修饰动词find应用副词。故填eventually。8.答案：destruction解析：句意为:如果我们放任情况继续下去,我们的环境将遭受巨大的破坏。设空处作suffer的宾语,应用名词destruction。9.答案：survival解析：句意为:近年来,这些乌龟一直面临着生存的威胁。设空处作to的宾语,其前有形容词性物主代词their修饰,应用名词。survival意为“生存”时,为不可数名词,故填survival。10.答案：Themorelearnedamanis,themoremodestheusuallybees.

解析：11.答案：Weshouldtakemeasurestoprotecttheenvironmentfrompollution.

解析：12.答案：Ionlycametomakesurethateverythingwasallright.

解析：13.答案：determinedtoseekhisfortune解析：14.答案：Themore;thebetteritwillget解析：15.答案：totravel;where;led;its;pieces;hascrashed;Sadly;the;to;greater

解析：①考查不定式。句意;每年秋天,数百万北美洲黑脉金斑蝶设法向南飞行约4,000公里,找到它们过冬的地方。managetodosth.意为“成功做成某事”,故本空应用不定式作宾语。②考查定语从句。句意同上。本空引导定语从句,修饰名词places,在从句中作地点状语,故应用关系副词where。③考查过去分词。句意:一支由伊莱·史莱泽曼教授领导的来自华盛顿大学的科学家团队现已发现,黑脉金斑蝶可以判断一天中的时间,并能用眼睛来测量太阳的位置。本空修饰名词短语Ateamofscientists,且和被修饰短语之间为逻辑上的被动关系,故本空应用过去分词作定语。④考查代词。句意同上。本空修饰名词eyes,故应用形容词性物主代词its。⑤考查名词复数。句意:这两条信息可以让黑脉金斑蝶决定它需要往哪个方向走。piece为可数名词,根据空前Thesetwo可知,本空应用复数形式。⑥考查时态。句意:黑脉金斑蝶的数量在过去的几年内减少了百分之九十之多。根据时间状语inthelastfewyears可知,本空应用现在完成时。⑦考查副词。句意:可悲的是,人类活动是黑脉金斑蝶数量下降的主要原因。本空修饰整个句子作状