人教版高中英语 必修2 Unit 4Wildlife protection学案（新人教版必修2）

Unit 4 Wildlife protection核心单词1. decreasev. 减少；（使）变小；变少n. 减少；降低；减少的数量，其后常接介词in/of联想拓展decrease (sth.) to/by . 减少到/了increase vi.&vt. 增加；增长；增强 n.增加；增加的数量increase to/by .增加到/了on the decrease/increase 在减少/增加易混辨析reduce/decreasereduce 强调在“数量、大小，程度或强度”方面下降或减少。decrease 侧重强调“稳定地，逐渐地，不断地”减少。They are making every effort to decrease the production cost. 他们正在尽力降低生产成本。The membership decreased to 150.会员数减少到了150人。The number of students in the class has decreased by 20.班级里的人数减少了20人。There has been a decrease in our imports. 我们的进口数量减少了。高手过招完成句子 （原创）这些措施将有助于降低生产成本。 will help the cost of production.人口出生率正在下降。The birthrate is . 答案：These measures; decreaseon the decrease2. suggestvt. 建议；提出（意见、计划、理论等）；暗示；表明常用结构：suggest+doing 建议做suggest sb./sb.s doing sth.建议某人做某事（不说suggest sb. to do sth.）suggest sth. to sb. 向某人提议 （不能说suggest sb. sth.）suggest (to sb.)+that从句(向某人)建议。（所接从句用虚拟语气：sb.+should+动词原形，should可以省略）It is suggested that . 建议是suggest sth. 暗示；表明suggest+that从句 暗示；表明（从句用陈述语气）suggest sth. to sb. 使某人想起I suggest doing it in another way. 我建议换一种方式做这件事。 They suggested another shop to us.他们向我们建议了另一家商店。 She suggested that we（should）have lunch at the new restaurant.她建议我们在那家新开的餐馆吃午餐。 Her expression suggested that she had told a lie.她的表情表明她撒了谎。温馨提示 suggestion, advice, proposal作“建议”讲时，相关的名词性从句要用虚拟语气。My suggestion is that we (should) go to the cinema together.我建议我们一块儿去看电影。(表语从句)Its suggested that you (should) stay here for another week.建议你在这儿再待一个星期。(主语从句)He gave me an suggestion that I should go to Shanghai for a holiday.他建议我去上海旅游。(同位语从句) 高手过招单项填空His suggestion to see the art exhibition interested everyone of us. （2009·12·山东潍坊检测）A. that we go B. which we should go C. that we would go D. we should go 解析：选A。不管是suggest的何种形式，在句子中有“建议”之意时，后接的从句必须用虚拟语气。 3. affectvt. 影响；侵袭；相当于；使感动；激起（悲伤、愤怒、爱等情绪）易混辨析affect/effect/influence affect vt.表示“影响，（病）侵袭”，多指不好的影响。当affect的宾语是人时，它表示引起心智或感情上的影响，即“使感动”。 effect 表示“影响”时，是名词，指由于某种原因直接产生的结果，常用短语为：have an effect on对有影响；in effect正在实行；实际上；side effect副作用；take effect开始实行；开始生效；without effect没有效果；come into effect生效；实施；bring/carry sth. into effect使生效；be of no effect 无效果。influence多指对人的思想、观念、心理情绪等内在的东西产生潜移默化的影响，或对人的决定、行为等造成某种程度的影响。The disease is beginning to affect her brain.疾病逐渐侵袭她的大脑。 We are deeply affected by his devotion to work.他对工作的奉献令我们深受感动。 The book had a great influence on his life. 这本书对他的人生影响很大。 He is, in effect, my rival. 实际上，他是我的竞争对手。 高手过招单项填空Sichuan province by the earthquake，causing difficulties to the postfestival road transport. （2009·11·陕西西安检测）A. were affected B. was affectedC. had effected D. has affected 解析：选B。affect 为动词，意思是“影响；感动”；effect为名词，意思是“影响；效果”。根据句意选择B。 4. appreciatevt.欣赏；感激；意识到；体会；理解 appreciate后可接名词、代词、动名词、名词性从句等作宾语，但不能接不定式。表示“感激，感谢”时，其后的宾语只能为“物”，不能为“人”。其后不直接跟if或when引导的从句，若语义上需要接这类从句，需借助it，即：appreciate it if/when .。 易混辨析appreciate/thankappreciate 意为“感激，感谢”时的结构为： appreciate (doing) sth. appreciate it if/when .thank表示“感谢”时的结构为：thank sb. for sth.。I appreciate your ability very much.我很欣赏你的能力。We shall appreciate hearing from you again.能再次收到你的来信，我们将十分感激。I appreciate that you have come here so early.感谢你来得这么早。I would appreciate it very much if you would help me with it.如果你能帮助我做这件事，我将不胜感激。 高手过招单项填空I really appreciate to relax with you on this nice island.A. to have had time B. having timeC. to have time D. to having time 解析：选B。考查appreciate的搭配。此处appreciate意为“欣赏”，其后不能接动词不定式作宾语，而只能用名词或动名词形式。 5. mercyn. 仁慈；宽恕；宽容；恩惠；幸运；怜悯常用结构：at the mercy of sb./sth. 任由某人(某事物)摆布或控制have mercy on/upon 对有怜悯心show mercy to sb. 宽恕/怜悯某人without mercy 毫不留情地；残忍地They showed mercy to their enemies. 他们对敌人很仁慈。Its a mercy she wasnt hurt in the accident. 她在事故中未受伤, 真幸运。高手过招翻译句子 （原创）那只船在暴风雨中失去了控制。可怜可怜我们吧！答案：The ship was at the mercy of the storm.Have mercy on us!6. huntvi.&vt.打猎，猎取；搜索Wolves hunt in packs.狼是成群猎食的。Police are hunting an escaped criminal.警方正在追捕逃犯。常用结构：hunt for 试图找到(某人/物)hunt after 探求；追求答案：Im hunting for a lost book.Many people hunt after fame all their lives but never find it. 7. includevt. 包括；包含include侧重指范围，其主语和宾语属于同类，是整体与部分的关系。后面常接名词、代词、动名词作宾语。The trip includes a visit to Beijing.旅行包括到北京参观。联想拓展contain vt. 表示“包含，含有；能容纳”，侧重指内容或成分，其主语和宾语不属于同类。This fruit contains a lot of vitamins.这个水果含有丰富的维他命。hold vt. 表示“容纳；盛有”；表示“里面装有”时可与contain互换。This room can hold 50 people.这间屋子能容纳50人。高手过招(1)用include的适当形式填空Our group has ten students, Tom .We will learn 7 subjects this term,