人教版高中英语 必修二Unit 2 Wildlife Protection Period 3 Discovering Useful Structures 学案.docx

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1、新人教版必修二Unit 2 Period 3Discovering Useful Structures 学案学生姓名班级序号课题内容Unit 2 Wildlife Protection Period 3 Discovering Useful Structures教材分析In this lesson, we reviewed the passive voice, the simple past tense and the simple present tense, and learned the structure and usage of the present continuous pass

2、ive voice.There are four practices in the text. They are intensive training of the present continuous passive voice.The first exercise in the text is to rewrite the sentences. This subject requires students to underline the present continuous passive voice in the sentences, change them into active v

3、oice and compare the differences in meaning.The second exercise students are required to choose the suitable verb forms to complete the sentences.The third exercise students are required to finish the passage with the present continuous passive voice of the verbs in brackets.The main idea is: in the

4、 wetland of Liu Taos hometown, wild animals are being caught or killed in recent years.the wetland is being destroyed, rubbish everywhere.The wetland is being polluted seriously every day.The fourth subject in the text is oral training, which requires students to discuss problems in groups according

5、 to the topic content, and prepare to give a presentation of your ideas to the class. The topic is :What do you know is being done in your neighbourhood to protect animals and plants? What suggestions do you have?In this lesson, the use of the present continuous passive voice is applied to classroom

6、 training, and a variety of topics are selected to improve students1 learning ability, consolidate students1 grammar knowledge, train students* logical thinking ability and language expression ability, and strengthen students1 sense of teamwork. Combine simple grammar knowledge with the topic of ani

7、mal protection, closely follow the unit theme, step by step, and comprehensively improve students1 learning ability.学习目标 与核心素养1. Students understand and master the structure and usage of the present continuous passive voice.2. Students can use the present continuous passive voice correctly in specif

8、ic situations.3. Be able to use the passive voice of the present continuous tense flexibly,talk with partners about topics related to animal and environmental protection anddraw conclusions.学习重点1. Help students to understand the structure and usage of the present continuous passive voice.2. Students

9、 can use the present continuous passive voice correctly and talk with their partners about topics related to animal and environmental protection.3. Students can use the present continuous passive voice correctly to write an article.学习难点Students can use the present continuous passive voice correctly

10、and talk with their partners about topics related to animal and environmental protection.知识梳理一、重点单词1 . reduce vt.减少，缩小，降低.deer n.鹿2 .kangaroos n.袋鼠.due adj.由于，因为due to由于;因为1.1 nsect n.虫.net n.网6 .neighbourhood n.街区；城区;邻近的地方二、重要语言点It is reported that living spaces for wildlife are being reduced due t

11、o the cutting of trees.据报道，由于砍伐树木，野生动物的生存空间正在减少。1 .reduce vt.减少，缩小，降低搭配:reduce.to把减少到（to表示结果）reduceby把减少了（by表示幅度）Giving up smoking reduces the risk of heart dis ease.戒烟会减少得心脏病的风险。They are looking at ways of reducing the waste of natural resources.他们正在寻找减少自然资源浪费的方法。He was advised to reduce his alcoho

12、l consumption.他被劝告减少饮酒。2 .due to由于，因为Most of the problems were due to human error.多数问题都是人为错误造成的。Water in the pond gradually diminished due to lack of rainfall.由于缺少降雨，池塘里的水逐渐减少。归纳拓展be due to do sth.预计要做某事be due for应得到,The boat is due to arrive at 12 o* clock.船预计在12点钟到达。I am due for an increase in pay

13、 soon.我不久就该加薪了。匚同步训练一、单词填空1 .2018 1 匕京卷Anger is rarely looked upon as a beneficial character trait,and is usually advised（reduce） it.2 .He is due praise because of his heroic deeds.3 .The number of the bikes they produce（已经减少到）100,000 this year.4 .His mistake was（因为）lack of experience.5 .2019 天津 3 月

14、卷The captain of the ship was advised to turn back due asudden heavy storm.二、完成句子.The sports（正在被举办）meeting in the new stadium.1 .The giant machine（被拆卸）at the moment and it will be set up in the new workshop in the near future.2 .The classroom（正被装饰）with balloons and flowers right now and the students

15、are preparing for the New Year party.3 .The window of our classroom（经常被打破）.4 .The sum these computers will cost us（正在计算中）. 三、句型转换.Please tell me something about the meeting being held now.f Please tell me something about the meeting.1.1 find the national flag is being raised.I find the national flag

16、.3 .The computer is in use now.f The computer now.4 .These high-tech products are on display these days.f These high-tech products are these days.5 .The castle is under attack at the moment.f The castle is at the moment.四、完形填空Some of the greatest problems we face today are concerned with the gradual

17、 destruction of our environment. Brown clouds; wildlife 1 polluted water. These 2 all seem so huge. So my family does what we can. We take cloth bags to stores instead of using plastic bags. We walk where we dont have to 3 .But does it do any good?I recently learned something about flamingos（“（双4鸟）.

18、These beautiful birds gather in 4 groups of a thousand or more. Every year, when the time 5 for migration, a few flamingos start the process by taking off from the lake.But 6 of the others seem to notice, so the tiny group returns.However, the next day they 7 again. This time a few more struggle alo

19、ng with them, but the vast majority still 8 no attention, so these pioneers come back.The 9 continues for several more days. Every time a few more birds join in but, 10 the thousands of others still take no 11 , the great migration plan is once again 12 ,Then one day something 13 . The same small gr

20、oup of birds takes wing and a tiny number more join in, just as before. And this time their total number, though still quite 14 , is enough to tip the balance. As one, the whole group takes flight and the migration 15 . What a 16 sight it must be-thousands of flamingos taking to the sky at once!A fe

21、w can make a 17 . Its true that all of the great problems of the world have been solved because of the 18 efforts of a few.If you believe in a cause（事业），dont 19 ! Others will someday take noticeand together we will 20 even our greatest problems.1. A. protectionB. extinctionC. migrationD. separation2

22、. A. questionsB. costsC. examplesD. problems3. A. driveB. runC. cycleD. stand4. A. tinyB. differentC. hugeD. similar5 A. comesB. passesC. variesD. moves6. A. allB. anyC. noneD. most7. A. gatherB. tryC. singD. appear8. A. attractB. requireC. escapeD. pay9. A. planB. trendC. activityD. movement10. A.

23、sinceB. thoughC. unlessD. while11. A. responsibility B. noticeC. chanceD. measure12. A. put offB. cut offC. carried outD. worked out13. A. approachesB. worksC. changesD. disappears14. A. significantB. reasonable C. adequateD. small15. A. continuesB. delaysC. finishesD. begins16. A. familiarB. strang

24、eC. magnificent D. unrealistic17. A. pointB. decisionC. differenceD. mistake18. A. uselessB. tirelessC. extraD. special19. A. give upB. give inC. give awayD. give out20. A. identifyB. understandC. predictD. solve答案一、单词填空1答案to reduce解析句意：愤怒很少被视为一种有益的性格特征，通常建议减少它。be advised to do sth.被建议做某事。2 .答案for.答

25、案has reduced to3 .答案due to/owing to.答案to解析句意：由于突然的一场暴风雨，船长被建议返航。Dueto由于，因为。 二、完成句子答案l.is being held2.is being taken apart3.is being decorated4.is frequently being broken5.is being calculated三、句型转换答案.which is being held now1 .being raised.is being used4 .being displayed.being attacked四、完形填空答案l.B； 2.D

26、； 3.A； 4.C； 5.A； 6.C； 7.B； 8.D； 9.B； 10.A； ll.B； 12.A； 13.C； 14.D； 15.D； 16.C； 17.C； 18.B； 19.A； 20.D；解析本文是一篇说明文，作者从那些准备迁徙的火烈鸟先行者身上认识到 少数群体也可以产生决定性的影响，并最终会带领大多数人行动起来解决我 们与环境破坏有关的大问题。1 .考查名词。句意：棕色云、野生动物灭绝、水污染，这些问题似乎都很严 重。A. protection保护;B. extinction灭绝；C. migration迁移”；D.separation”分离。此处与Brown clouds和

27、polluted water并列是三个严重的问 题，指的是野生动物灭绝，故选B。2 .考查名词。句意：棕色云、野生动物灭绝、水污染，这些问题似乎都很严 重。A. questions问题”；B. costs”花销，成本“；C. examples“例子”；D. problems“问题”。根据第一句中的problems可知此处指具体的问题，选D。3 .考查动词。A. drive“开车”；B. run“跑”；C. cycle“骑自行车”；D. stand“站”。 根据上文的“We walk where we dont have to”可知此处是指我们会步行去不 需要开车去的地方，故选A。4 .考查形容

28、词。句意：这些美丽的鸟成百上千甚至成千上万只聚集成群。A. tiny“微小的“；B. different不同的“；C. huge“巨大的；D. similar相似的”。 根据下文的“groups of a thousand or more”可知，一个鸟群有很多只火烈鸟， 规模非常大，故选C。5 .考查动词。句意：每年，当迁徙的时候，一些火烈鸟会从湖中飞出。A. comes到来”;B. passes经过”;C. varies不同；D. moves“移动”。the time comes for“到的时候了”，故选A。6 .考查代词。A. all“所有；B. any“任何”；C. none“一个也没

29、有，没有人”；D. most“大多数”。根据下文的“so the tiny group returns”可知，其他的火烈鸟 中并没有注意到，于是这一小群火烈鸟又飞回到湖面上，故选C。7 .考查动词。A. gather“聚集”；B. try“尝试”;C. sing“唱歌”;D. appear“出现 根据下文的“This time a few more struggle along with them”可知, 第二天，这 些少数的先行者会再次从湖中飞出（准备迁徙），故选B。8 .考查动词。句意：这一次又有一些火烈鸟会与它们一起起飞，但绝大多数 仍然没注意到，所以这些先行者又回来了。A. attra

30、ct“吸引”；B. require”要求”; C.escape“避开”；D. pay给予。pay no attention to固定短语，不注意,故 选D。9 .考查名词。句意：这种趋势（尝试）要持续好多天。A. plan“计划”；B. trend趋 势”；C. activity“活动”；D. movement“运动”。此处指火烈鸟起飞准备迁徙的 尝试，故选B。10 .考查连词。句意：由于成千上万的火烈鸟仍然没有注意到，大迁移计划再 次被推迟。A. since“既然、由于；B. though“尽管；C.unless“除非”；D. while”而，成千上万的火烈鸟仍然没有注意到是大迁移计划再次被

31、推迟的原 因，故选A。11 .考查名词。句意：由于成千上万的火烈鸟仍然没有注意到，大迁移计划再 次被推迟。A. responsibility责任”;B. notice”注意；C. chance“机会”;D.measure”措施。take no notice与上文pay no attention to意思相近，表示没注 意到，故选B。12 .考查动词短语。A.putofF推迟”；B. cut of中切断；C.carried ou俨实施“； D. worked ou小算出”。根据上文先行者又飞回来可知，迁徙计划被推迟了，故选Ao13 .考查动词。句意：但有一天，事情发生了变化。A. approac

32、hes“靠近”；B. works起作用“；C. changes改变”；D. disappears“消失根据下文的The same small group of birds takes wing and a tiny number more join in”可矢口，情况发生 了改变，又有一些火烈鸟加入，故选C。14 .考查形容词。句意：这一次，它们的总数虽然仍然很小，但足以打破平衡。 A. significant”重大的“；B. reasonable合理的“；C. adequate充足的“；D. small“小的根据空前的 though 及空后的“is enough to tip the bal

33、ance”可知， 尽管总数仍然很小，但足以打破平衡，故选D。15 .考查动词。A. continues“继续”;B. delays“耽搁”；C. finishes“完成”；D. begins“开始”。经过多次尝试后，大迁徙终于开始了，故选D。16 .考查形容词。句意：成千上万只火烈鸟同时飞上天空，是多么壮观的景象 啊! A. familiar“熟悉的；B. strange“奇怪的”；C. magnificent“壮丽的，宏伟 的”;D. unrealistic”不切实际的“。根据下文的thousands of flamingos taking to the sky at once!”可知，成千

34、上万只火烈鸟同时飞上天空，场面一定非常壮观, 故选C。17 .考查名词。句意：少数群体也可以产生决定性的影响。A.poin俨要点”；B. decision”决定”；C. difference不同；D. mistake错误。make a difference 固定短语，“有意义、有影响”，故选C。18 .考查形容词。句意：诚然，世界上所有的重大问题都是通过少数人的不懈 努力而得到解决的。A. useless“无用的；B. tireless“孜孜不倦的；C. extra“额 外的；D. special特别的”。根据上文可知，正是因为那些少数先行者一次又 一次的尝试，最后火烈鸟大军才成功迁徙，故选B

35、。19 .考查动词短语。句意：如果你相信你从事的事业,就不要放弃。A. give up放 弃”；B. give in屈服”;C. give away泄露”；D. give out“分发”。从那些火烈 鸟先行者的身上我们学到的是永不放弃的精神，故选A。20 .考查动词。句意：总有一天，其他人会注意到，我们将一起解决我们最大 的问题。A. identify“识另ij”； B. understand“理解”；C. predict“预言”；D. solve解 决”。根据第一段提到的那些与环境破坏有关的问题可知此处指我们将一起解 决我们所面临的最大的问题，故选D。点评本题考点涉及动词，名词，形容词，代词，固定短语等多个知识点的 考查，是一篇环保类阅读，要求考生在理解细节信息的基础上，进一步根据 上下文的逻辑关系，进行分析推理，从而选出正确答案。