2021_2021学年新教材高中英语UNIT3CONSERVATIONPeriod2Lesson1作业含解析北师大版选择性必修第一册.doc

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1、UNIT 3 CONSERVATIONPeriod Two题组A基础练(建议用时：10分钟)单词拼写1It is reported that some rare _(物种) have been discovered in this mountain.2The number of students in some rural schools have _(减少) sharply in recent years.3Nobody but I should be to _(责备)4The sharp noise from the construction site badly _(影响) my hea

2、lth.5These _(濒危的) animals should be under careful conservation.6As you know, _(太阳的) energy does no harm to our planet.7The little boy tried to _(孵化) these eggs by putting them under his arms.8It will take many years before the ecology in this area _(恢复)9The climate this year is quite _(异常) from aver

3、age years.10You can see _(各种各样的) animals and plants in this forest.【答案】1species2decreased3blame4affects5endangered6solar7hatch8restores9unusual10varied/various/different单句语法填空1His father, known _ a skilled surgeon, will come to give a lecture in our school.2In the last thirty years, there _(be) grea

4、t changes in every walk of life in our country.3The dog barked a whole night, _ kept me awake all night long.4_ he has failed many times in his experiment, he doesnt want to give up trying.5It is quite certain _ their team will lose the game in the end.6Without the Internet, our life _(be) different

5、 from what it is.7The number of these _(endanger) animals is on the increase these years.8My hen has _(lay) twenty eggs this month.9It is up _ you to decide where to have our dinner party.10Ten students were praised at the meeting, _(include) Li Ming and Wang Fei.【答案】1as2have been3which4Though/Altho

6、ugh5that6would be7endangered8laid9to10including完成句子1She can type _ _ _ _ 60 words every minute.她可以每分钟60词的速度打字。【答案】at the rate of2In the past thirty years, _ _ _ great progress in many aspects in our country. 在过去三十年里，我们国家在许多方面都取得了巨大的进步。【答案】there has been3_ _ quite obvious _ he is confident about his

7、life in the future.很显然，他对未来的生活很有信心。【答案】It is; that4Without air or water, we _ _ unable to live.要是没有水和空气，我们就不能生存。【答案】would be5_ _ _ _ to protect these wild animals.应当采取措施，保护好这些野生动物。【答案】Steps/Measures must be taken题组B提升练(建议用时：30分钟)阅读理解The African elephant will disappear within two decades if urgent ac

8、tion is not taken to save one of the worlds most iconic animal species; the World Wide Fund for Nature (WWF) has warned in a new campaign fundraiser.The population of these elephants the largest animal currently walking the earth has declined by 70 percent in the last 40 years, in large part because

9、 of the illegal ivory trade, which is the biggest driver of elephant poaching,_according to the nonprofit.In fact, 20,000 elephants are killed every year to feed this trade.Once an elephant is killed, poachers harvest the ivory to meet a growing demand for products made from this material. Ivory can

10、 be turned into ornaments and decorations, as well as being used in traditional Asian medicine for its intended therapeutic value. Elephants are also sometimes killed to provide a source of meat.This poaching takes place despite a global ban on ivory sales under the CITES multilateral treaty (the Co

11、nvention on International Trade in Endangered Species of Wild Fauna and Flora) which was introduced in 1990Above the poachers are powerful organized criminal networks which commonly engage in corruption, money laundering and assassinations.Part of the issue in policing the problem is that the govern

12、ments of nations where African elephants live often lack sufficient resources to protect and monitor elephant herds, which often reside in remote and inaccessible habitats. When the animals are killed, they often suffer a brutal death.African elephants are found in 37 countries across the continent

13、and are categorized as “vulnerable” by the International Union for Conservation of Nature (IUCN) with a remaining population of around 415,000 in the wild, according to WWF.These animals play a crucial role in the ecosystem, helping to maintain healthy habitats for many other species. This is becaus

14、e African elephants help to disperse seeds.The population of African elephants which are split into two subspecies once numbered between three and five million during the last century. However, this figure has fallen dramatically as a result of poaching and other factors, such as habitat fragmentati

15、on or loss.1The word “poaching” in Paragraph 2 probably means _.Adesperate desireBsevere damageCillegal hunting Dcruel killing2What is the main reason for the sharp decline in the number of African elephants?AThey were hunted by other animals.BThey failed to survive the natural disasters.CThere is n

16、o suitable living environment.DThey were illegally traded for ivory.3Which of the following can be learned from the passage?AAbsence of bans or regulations on ivory sales is the biggest driver of elephant poaching.BElephants living in remote habitats are less vulnerable than those living in nations

17、with adequate resources.CIf the African elephant disappear, the ecosystem there is likely to be ruined.DAfrican elephant herbs usually migrated in large population.4Whats the best title for this passage?AAfrican Elephants Will Be Gone in The FutureBAfrican Elephants, Leading Role in EcosystemCThe Po

18、pulation of African ElephantsDDifferent Types of African Elephants【语篇解读】本文是一篇说明文，介绍了由于人类的破坏行为，如果不采取紧急行动，非洲象将在未来的20年内消失。1C词义猜测题。根据文章第二段“the largest animal currently walking the earthhas declined by 70 percent in the last 40 years, in large part because of the illegal ivory trade”可知，大象数量下降很大程度上是因为非法象牙

19、贸易，从而根据后句的非限制性定语从句可以猜测，因为非法象牙贸易的存在，成为大象偷猎的最大推动力。所以poaching的含义为“偷猎”之意。故选C项。2D细节理解题。根据文章第二段“The population of these elephantsthe largest animal currently walking the earthhas declined by 70 percent in the last 40 years, in large part because of the illegal ivory trade, which is the biggest driver of e

20、lephant poaching.”和第四段“Once an elephant is killed, poachers harvest the ivory to meet a growing demand for products made from this material. Ivory can be turned into ornaments and decorations, as well as being used in traditional Asian medicine for its intended therapeutic value. ”可知，非洲象数量急剧下降的主要原因是

21、非法象牙贸易。故选D项。3C推理判断题。根据文章倒数第二段“These animals play a crucial role in the ecosystem, helping to maintain healthy habitats for many other species. This is because African elephants help to disperse seeds.”可推断出，如果非洲象消失了，那里的生态系统很可能会被破坏。故选C项。4A标题推测题。根据文章第一段“The African elephant will disappear within two de

22、cades if urgent action is not taken to save one of the worlds most iconic animal species, the World Wide Fund for Nature (WWF) has warned in a new campaign fundraiser.”及全文内容可知，文章主要介绍了由于人类的破坏行为，如果不采取紧急行动，非洲象将在未来的20年内消失。所以这篇文章最好的题目是“非洲象将在未来消失”。故选A项。完形填空For years, I followed the materialistic standards

23、 around me. I thought that without the purses, shoes, and all the other “_1_” things, I would not be as pretty, smart, or important as others of my age.As a freshman (新生) of my high school, I thought top social status could be gained by doing everything to fit in. So I became a(n) _2_ and bought fak

24、e (伪造的) designer purses. I felt popular and important, and I loved it.But, my parents couldnt understand my strong _3_ to be someone just to impress others. They tried endlessly to convince me that I was hurting myself, but I wouldnt listen. I felt _4_ with this way of my life until one day I looked

25、 at myself in the mirror and saw someone with makeup and the productfilled hair wasnt me. That person was _5_.So I quit cheerleading and _6_ swimming again, something I had loved for eight years before high school. I also attended my schools top vocal (声乐) performance group, and _7_ myself wholehear

26、tedly to community service.I wrote articles in my school newspaper that questioned the materialistic _8_ of many students at my school. I started _9_ my limits academically, which I previously considered less important than improving my social status.I found a new group of friends who _10_ me, unlik

27、e my old friends. I found I no longer needed to impress others materialistically. Starting over was _11_. My classmates looked at me as if they didnt know me.I am to _12_ the materialistic culture. I am confident, talented, and optimistic. I know who I am. Im motivated to explore even more of my _13

28、_ as a student and a member of my community.I took one of the worst _14_ in my life but I turned it around and _15_ something beautifula life that fits me, with meaning and happiness.1Astrange BnecessaryCconventional Dstupid2Aassistant BwinnerCactress Dcheerleader3Apromise BrefusalCdesire Dfailure4A

29、pleased BtiredCconfused Dbored5Ahappy BbusyCattractive Dsad6Astarted BsuggestedCregretted Davoided7Aforgave BadmittedCdevoted Dcollected8Adoubts BsystemsCreforms Dbehaviors9Apushing BclarifyingCfinishing Dremembering10Aprotected BsupportedCdiscovered Dblamed11Anatural BsimpleChard Dspecial12Ateam up

30、 with Bmake up forCtake advantage of Dsay goodbye to13Ahistory BbeliefCpotential Dexperience14Asituations BchangesCremarks Ddecorations15Atested BcreatedCtaught Daffected【语篇解读】本文是一篇记叙文，起初作者追求物质财富，认为外在形象可以帮助树立良好的社会地位。后来她改变了对自己的看法，重新开始游泳，学习声乐课并努力完成社区服务活动，创造了适合自己的美丽的生活。1B考查形容词辨析。strange奇怪的；necessary必要的

31、；conventional传统的；stupid愚蠢的。“我”遵循享乐主义的生活标准，所以“我”追求的是物质财富。名牌包和服装对“我”来说都是必需的物品。故选B项。2D考查名词辨析。assistant助手；winner胜利者；actress女演员；cheerleader啦啦队员。根据第四段中“So I quit cheerleading and _6_ swimming again”可知后来“我”放弃了啦啦队，说明“我”之前是啦啦队员。故选D项。3C考查名词辨析。promise诺言；refusal拒绝，回绝；desire欲望，目的；failure失败。“我”想通过外在形象给别人留下深刻印象，父母

32、无法理解“我”这样的欲望。和“诺言、拒绝、失败”无关。故选C项。4A考查形容词辨析。pleased高兴的，满意的；tired疲惫的；confused困惑的；bored乏味的，无聊的。因为成功融入了新环境，作者对于自身情况很满意。故选A项。5D作者原来对自己很满意，直到有一天她照镜子，看到镜子里的浓妆艳抹的自己，感觉自己成了另外一个人，非常难受，后来放弃了啦啦队，返璞归真。故选D项。6A考查动词辨析。start开始；suggest建议；regret后悔，遗憾；avoid避免。句意：意识到自己的变化以后，“我”重新开始游泳，学习声乐课并努力完成社区服务活动。故选A项。7C考查固定搭配。devote

33、to致力于；努力做；其余三个动词都没有这个搭配。句意：意识到自己的变化以后，“我”重新开始游泳，学习声乐课并努力完成社区服务活动。故选C项。8D考查名词辨析。doubt怀疑；system系统；reform改革；behavior行为。句意：“我”在学校的报纸上写了有关质疑唯物主义的行为的文章。根据前段可知作者对唯物主义的思想产生了怀疑。故选D项。9A考查动词辨析。push推动；clarify澄清；finish完成；remember记得。纠正了之前物质主义的行为以后，“我”开始努力推进自己在学业上的进程，之前“我”认为学习并不重要。故选A项。10B考查动词辨析。protect保护；support支

34、持；discover发现；blame责备。现在“我”有了新朋友，和之前的朋友不一样，他们非常支持“我”。故选B项。11C考查形容词辨析。根据后句可知同学看着“我”好像不认识“我”一样，因为“我”和以前不一样了，对“我”来说重新开始非常困难。故选C项。12D考查动词词组词义辨析。短语team up with与合作；make up for弥补；take advantage of利用；say goodbye to和说再见。作者改变了价值观，和之前的物质主义说再见。故选D项。13C考查名词辨析。名词history历史；belief观点；potential潜力；experience经验，经历。现在“我”

35、变得更加自信乐观，愿意挖掘自己的潜力。与“历史、观点、经历”无关。故选C项。14A考查名词辨析。名词situation情景，情况；change改变，变化；remark评论；decoration装修，装饰。“我”接受了人生中最糟糕的情况，但最终“我”做出了改变，重新回归自“我”。故选A项。15B考查动词辨析。“我”做出了改变，改变了原来的人生观，也创造了适合自己的美丽的生活。故选B项。语法填空Tuan was a farmer in Vietnam. For decades, he had been struggling to rid his family 1_ hunger. However,

36、 it always confused him how 2_ (expand) the output of his crops. This 3_(disturb) problem led to his regretting being a farmer. He would rather have chosen 4_job.One day, when skimming through a newspaper, Tuan read a comment on Yuan Longping. He underlined Yuans nationality and occupation, and then

37、 5_(focus) on his discovery and the statistics of his research. He found the knowledge Yuan circulated very 6_(practice). Therefore, he made a summary and began to build up a new farming method. He planted super grain of rich nutrition and equipped 7_(he) to keep his crop roots free of bacteria and

38、pests. He also enriched minerals in the soil while 8_(reduce) chemical fertilizers. Though it cost him more time and 9_(free), he was full of hope.The next year, Tuan was sunburnt but satisfied with 10_(he) production very much. Thanks to Yuan Longping, he not only won the battle against hunger, but

39、 he could also export his crops abroad.【语篇解读】本文是一篇记叙文。文章讲述了越南农民Tuan受到袁隆平故事的激励而努力去提高农作物产量。1of考查介词。句意：几十年来，他一直在努力让他的家人摆脱饥饿。rid sb. of固定短语，“使某人摆脱”。故填of。2to expand考查动词不定式。句意：但是，如何扩大农作物产量这个问题一直困扰着他。此句是“疑问词不定式”作主语，根据句意“如何扩大农作物产量这个问题一直困扰着他”可知。故填how。3disturbing考查现在分词。句意：这个令人烦恼的问题导致他后悔当了一个农民。形容词修饰名词作定语。故填dis

40、turbing。4another考查代词。句意：他宁愿选择另一份工作。another job “另一份工作”。故填another。5focused考查时态。句意：他在袁隆平的国籍和职业下画了线，然后开始专注于他的发现和他的研究数据。根据“He underlined Yuans nationality and occupation”的时态，可知谓语动词用一般过去时。故填focused。6practical考查形容词。句意：他发现袁隆平的知识非常实用。此处形容词作表语。故填practical。7himself考查代词。句意：他种植了营养丰富的超级谷物，并配备了防止作物根部细菌和害虫的设备。本句的主语为he。主语与宾语为同一个人或者事物时，宾语用反身代词，所以此处用反身代词himself作宾语。故填himself。8reducing考查非谓语动词。句意：他还增加了土壤中的矿物质，同时减少了化肥的使用。分析句子可知，此处是非谓语动词作状语，he和reduce在逻辑上是主谓关系，应用现在分词。故填reducing。9freedom考查名词。句意：虽然这让他失去了更多的时间和自由，但是他充满了希望。此空与time 并列，作宾语。故填freedom。10his考查代词。句意：第二年，Tuan虽然晒黑了，但对自己的产品很满意。名词前应用形容性物主代词。故填his。