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高三英语备考总复习人教版必修2:Unit 4《Wildlife protection》课件79张

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  精 讲 点 拨 条分缕析

  整合讲练 话 题 诵 读

  1 考 题 对 接

  2 基 础 回 顾 3 课后强化作业

  5 精 讲 点 拨

  4 话 题 诵 读 早读一刻

  情感体验 考 题 对 接 真题链接

  体会考点 基 础 回 顾

  稳扎稳打

  网络构建

  必 修 2

  Units 3~Unit 4

  Wildlife protection

  Back from the dead: One third of “extinct”

  animals turn up again

  Conservationists are overestimating the number of species that have been driven to extinction, scientists have said.

  A study has found that a third of all mammal(哺乳动物)species declared extinct in the past few centuries have turned up alive and well.

  Some of the more reclusive(隐居的)creatures managed to hide from sight for 80 years only to reappear within four years of being officially named extinct in the wild.

  The shy okapi—which resembles a cross between a zebra and a giraffe—was first discovered in the Democratic Republic of Congo in 1901.

  After increasingly rarer sightings, it vanished from the wildlife radar for decades from 1959, prompting fears that it had died out.

  But five years ago researchers working for the WWF found okapi tracks in the wild.

  1.[教材原句]This is what wildlife protection is all about.(U4P25)

  [真题呈现](2010·浙江,9)It is uncertain________side effect the medicine will bring about, although about two thousand patients have taken it.

  A.that B.what

  C.how

  D.whether

  [考题巧解]

  解析:句意:尽管大约有两千人已经服用了这种药,但它能带来什么样的副作用还不确定。what side effect“什么样的副作用”。

  答案:B

  2.[教材原句]In relief Daisy burst into laughter.(U4P26)

  [真题呈现](2010·山东,33)Those who suffer from headache will find they get________ from this medicine.

  A.relief

  B.safety

  C.defense

  D.shelter

  [考题巧解]

  解析:考查名词词义辨析。句意:那些患有头痛的人会发现服了这药后头痛会得到缓解。relief“减轻,解除”;safety“安全”;defense“保护”;shelter“庇护,掩蔽,避难所”。由句意可知,选A项。

  答案:A

  3.[教材原句]It contains a powerful drug...(U4P26)

  [真题呈现](2008·全国,18)Little Johnny felt the bag, curious to know what it________.

  A.collected

  B.contained

  C.loaded

  D.saved

  [考题巧解]

  解析:句意:小约翰尼摸着袋子,非常好奇地想知道里面装着什么东西。contain“包含,含有”;collect“搜集,整理”;load“装载”;save“挽救”。

  答案:B

  Ⅰ.单词速记

  1.n. 保护________→vt.保护________

  2.n. 损失;遗失;丧失________→vt. 遗失;丢失________→n.(比赛的)输者,败者________→adj. 迷路的;迷失的________

  3.n. 保护区 v. 保护;保留;预定________→adj. 保留的________→n. 保留;预定________

  4.vt. & vi. 打猎;猎取;搜寻________→n. 狩猎运动;打猎________

  5.vi. 回答;响应;做出反应________→n. 响应;反应;回答________→adj. 负责任的________

  6.adj. 远的;远处的________→n. 距离________

  7.n. 仁慈;宽恕;怜悯________→adj. 仁慈的;怜悯的________→(反义词)adj. 不仁慈的;不宽恕的________

  8.vt. 包含;容纳;容忍________→n. 容器;集装箱________

  9.vt. 影响;感动;侵袭________→n. 作用;影响________→n. 喜爱;钟爱________→n. 假装;装模作样________

  10.n. 注意;关注;注意力________→v. 关注;照顾______→adj. 专心的;专注的________→adv. 专心地;专注地________

  11.vt. 鉴赏;感激;意识到________→n. 感激;欣赏;赞美________

  12.vi. 成功 vt. 接替;继任________→n. 成功________ →adj. 成功的________→adv. 成功地________→n. 继任者;接替者________

  13.adj. 安全的;可靠的________→n. 安全;可靠________

  14.vt. 雇用;利用(时间、精力等)________→n.

  受雇者________→n. 雇主________→n. 雇佣________

  15.n. & vt. 损害;危害________→adj. 有害的________ →adv. 有害地________

  16.vt. & vi. 咬;叮;刺痛________→(过去式)________ →(过去分词)________

  17.vt. 检查;视察________→n. 检查;视察________→n. 检查员;视察员________

  18.n.

  事件;事变________

  19.adj. 凶猛的;猛烈的________→adv. 凶猛地;猛烈地________

  20. n. 结局;结尾________→v. 结束;终结________→adj. 无休止的________→adv. 无休止地________

  答案:1.protection; protect 2.loss; lose; loser; lost 3.reserve; reserved; reservation 4.hunt; hunting 5.respond;response; responsible 6.distant; distance 7.mercy; merciful; merciless 8.contain; container 9.affect;effect; affection; affectation 10.attention; attend; attentive;attentively 11.appreciate; appreciation 12.succeed; success;

  successful; successfully; successor 13.secure; security 14.employ;employee; employer employment 15.harm; harmful; harmfully16.bite; bit; bitten 17.inspect; inspection;inspector 18.incident 19.fierce; fiercely 20.ending; end;endless;endlessly

  Ⅱ.短语突破

  1.________________灭亡;逐渐消失

  2.________________

  和平地;和睦地;安详地

  3.________________

  在危险中;垂危

  4.________________

  如释重负;松了口气

  5.________________

  突然笑起来;大声笑了出来

  6.________________

  保护……不受……(危害)

  7.________________

  注意

  8.________________

  形成;产生

  9.________________

  按照;根据……所说

  10.________________

  以致;结果

  答案:1.die out 2.in peace 3.in danger(of) 4.in relief

  5.burst into laughter 6.protect...from 7.pay attention to

  8.come into being 9.according to 10.so that

  Ⅲ.句型总结

  1.Daisy had always________ ________help________species of wildlife.

  戴茜一直都渴望帮助那些濒临灭绝的野生动植物。

  2.________ ________ ________for the wool beneath our stomachs.

  为了我们肚子下的毛我们正被杀死。

  3.We________ ________ ________an endangered species.

  我们过去是濒危动物。

  4.They lived on the earth tens of millions of years ago,______ ________humans came into being...

  千百万年前恐龙就在地球上生活,比人类的出现要早得多……

  答案:1.longed to; endangered 2.We're being killed 3.used to be 4.long before

  Ⅳ.教材设题

  1.If their habitat is threatened or they can't find enough food, their numbers may________.

  A.disturb B.decrease

  C.increase

  D.delay

  答案:B

  2.Farmers hunted us without________.

  A.doubtB.mercyC.delayD.exception

  答案:B

  3.Nobody knows________why and how dinosaurs disappeared from the earth in such a short time.

  A.for sure

  B.make sure

  C.sure

  D.surely

  答案:A

  1.relief n. (痛苦或忧虑的)减轻或解除;减轻痛苦的事物

  观察下面句子,理解relief一词的含义:

  ①Much to my relief,_my son was eventually admitted to the famous university.(宽慰,放心)

  ②The pills gave him some relief for the moment.(减轻)

  ③The flood­stricken area is in desperate need of food and medicine relief.(救济物品)

  [归纳拓展]

  (1)in relief 如释重负;松了口气

  (2)(much)to one's relief 使某放心(宽慰)的是

  (3)feel a sense of relief 如释重负

  [运用提升]

  (2011·潍坊一模)It came as a great________to the parents that their son finally came back safe and sound.

  A. favor

  B. sense

  C. relief

  D. relaxation

  答案:C 考查名词辨析。句意:儿子最终安然无恙地回来是这对父母最大的宽慰。favor“帮助”;sense“感觉;见识”;relief“宽慰”;relaxation“放松”。

  2.contain vt. 包含;容纳;克制(强烈的感情等);抑制

  Some western countries are trying to contain the development of China.

  有些西方国家在试图遏制中国的发展。

  [归纳拓展]

  contain oneself 克制自己

  container n. 容器;集装箱;货柜

  辨析:contain, include

  (1)contain意为“包含,含有,容纳,里面装有”,指包含全部内容或数量;也可指里面所包含的成分;不用于进行时态;表示“容纳”时,相当于hold。

  (2)include意为“包含;连……在内;计入;算入;包括”,用于表示所包含事物中的一部分,其后的宾语往往是主语的一部分。including为介词,放在所包括的事物之前;included为形容词,放在被修饰的名词之后。

  ①A sunken ship containing a lot of chinaware was discovered under water in the South China Sea.

  在中国南海发现了一个装有大量瓷器的沉船。

  ②There were four passengers on the bus, including the old lady/the old lady included.

  公共汽车上有四位乘客,包括那位老太太。

  [巧学助记]

  The container contains many kinds of fruits, including apples/apples included.

  这容器盛放着许多种水果,其中包括苹果。

  [运用提升]

  用contain,hold和include填空。

  (1)How much does this bottle________?

  (2)The box can________all my clothes.

  (3)Everyone here took part in the fight against the flood,________old people.

  (4)I don't think the car will________you all.

  (5)Everybody had something to say, me________.

  (6)Books________knowledge.

  答案:(1)contain (2)hold (3)including (4)hold (5)included (6)contain

  3.affect vt. 影响;侵袭;感动

  The south of the country was worst affected by the drought.

  该国南方旱情最严重。

  She was deeply affected by the news of his death.

  他去世的消息使她深感悲痛。

  [归纳拓展]

  (1)be greatly/deeply affected by 被……深深打动;使悲伤

  be affected by heat/cold 中暑/着凉

  (2)affection n. 喜爱;感情

  (3)effect n. 作用;影响

  have an effect on 对……产生影响

  in effect 实际上;生效

  come into effect 开始生效;开始实施

  take effect 生效;起作用

  The weight­loss pill has_a_strong_side_effect_on people's hearts.

  这种减肥药对人的心脏有极强的副作用。

  [运用提升]

  (2011·济南模拟)The new law has come into________; surely it will have________on industry of the country.

  A.affect; an effect

  B.effect; affect

  C.effect; an effect

  D.an effect; an effect

  答案:C 考查affect及effect的用法。句意:这项新的法律已经生效了。它肯定会对这个国家的工业有影响。come into effect“开始实施,开始生效”;have an effect on“对……有影响”。

  4.appreciate vt. 鉴赏;感激;意识到;增值

  观察下列句子,体会appreciate的词义:

  His talents are greatly appreciated by the boss.(欣赏)

  I would appreciate hearing from you.(感激)

  We didn't appreciate that he was badly ill.(意识到)

  Property values appreciated yearly.(增值)

  [归纳拓展]

  (1)appreciate+n./pron./v.­ing 重视;感激

  I would appreciate it if... 假如……我将不胜感激

  (2)appreciation n. 欣赏;感激

  点拨:(1)appreciate后不能用不定式,而要用动名词作宾语;其后接“事”作宾语而不能接“人”(与thank相反)。

  (2)appreciate 之后不能直接跟if引导的宾语从句,若接if从句时,要借助于it。类似用法:like, hate, dislike, enjoy等动词之后的if,when从句。

  ①I would appreciate_it_if you could turn the radio down.

  如果你能将收音机音量调小些,我会不胜感激。

  I don't like_it_when my four children follow me every- where.

  我不喜欢我的四个孩子到处跟着我。

  [运用提升]

  I'd appreciate________if you could come and help me once more and I always apprecicate________me with my English in the past.

  A. this; you to help

  B. that; your helping

  C. it; you to help

  D. it; your helping

  答案:D

  5.succeed vi. 成功 vt. 接替;继任

  The two mountain climbers succeeded_in_reaching the peak.

  两名登山者成功地到达了山顶。

  Finally he succeeded_his_father_as the general manager of the company.

  最后他接替父亲,成为公司经理。

  [归纳拓展]

  success n. [U]成功;[C]成功的人或事物

  successful adj. 成功的

  be successful in(doing)sth. 在某方面成功

  successfully 成功地

  [运用提升]

  用succeed及相关词的适当形式填空。

  (1)The prince usually________to the throne after the King's death.

  (2)We've started our own business. It's a________and we can earn at least $3,000 per month.

  (3)He was glad that he________in stopping smoking.

  (4)Arthur was a highly________businessman.

  (5)I passed the driving test________through my hard work.

  答案:(1)succeeds (2)success (3)succeeded (4)successful (5)successfully

  6.employ vt. 雇用;利用(时间、精力等)

  The boss employed 20 workers.

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