wy 人教必修二 book 2 unit 4wildlife protection language points 语言点课件

Unit4LanguagepointsIftheirhabitatisthreatenedortheycannotfindenoughfood,theirnumbersmaydecrease.如果它们的栖息地受到威胁或者是它们不能够找到足够的食物的话，它们的数量可能会减少。(1)vi.&vt.减少；(使)变小；(或)变少Thenumberofthestudentshasdecreasedto500.学生人数减少到500人。Thenumberofthestudentshasdecreasedby500.学生人数减少了500人。[联想发散]decrease的反义词是increase。请根据decrease的用法，完成下列短语。①increase

增加了②increase

增加到③

theincrease 在增加中bytoon④(a)increase

在……方面增加in很多古老的习俗正在消失。Manyoldcustomsaredyingout.Asaresulttheseendangeredanimalsmayevendieout.结果濒危动物甚至可能要灭绝。Whyaretheyindangerofdisappearing？他们为什么面临消失的危险？[辨析比较]

indanger,dangerousindanger指人或物本身处于危险中，受到外来的威胁dangerous指人、物、事态可能引起危险，对别人构成威胁形象记忆①Myfriendis

losingherjob.②Theoperationisasuccessandnowthepatientis

.③Policesaidthemanwas

thepublic.4.Firebrokeoutand________thelivesofpeopleinthebuilding.5.ManyanimalsinHainanare___________astheywerenotwellprotected.indangerofoutofdangeradangerto

endangeredendangeredadangertoIndanger（of）outofthedanger（of）

dangerousendangerendangeredDaisyrespondedimmediately."I'dliketoseesomeendangeredwildlife，”shesaid.戴茜立刻回答道：“我想去看看濒临灭绝的野生动植物。”answerreplyInreliefDaisyburstintolaughter.戴茜如释重负，突然笑了起来。Heburstintolaughterwhenheheardthejoke.＝Heburstoutlaughingwhenheheardthejoke.他听完这个笑话后失声大笑。“突然哭起来”的两种表达形式。burstintotearsburstoutcrying

importantimportance重要性

intelligent

intelligence智力

differentdifference区别

patient

patience耐心

silentsilence寂静

confident

confidence自信

violentviolence暴力Thismedicinewillprotectyoufrom/againstareturnoftheillness.这种药会防止你的疾病复发。“I'mprotectingmyselffrommosquitoes，”itreplied.它回答说：“我这样做是为了防止蚊虫叮咬。”[多角度演练]1．用所给动词的适当形式填空①Weyoungpeopleshoulddosomethingwecan

(keep)theseafrom

(pollute)．②Theheavyrainpreventedus

(arrive)ontime.③Usetheumbrella

(protect)yourselffromtherain.tokeepbeingpollutedarrivingtoprotectYoushouldpaymoreattentiontotherainforestwhereIliveandappreciatehowtheanimalslivetogether.你们应该多加关注我生活的热带雨林，并且懂得热带雨林的动物是如何在一起生活的。Hermusicwasnotappreciated.

她的音乐无人欣赏.appreciatevt.鉴赏；欣赏；感激；意识到appreciationn．

Iwouldappreciateitif...如果……我将不胜感激appreciate(one‘s)doingsth.感激/欣赏(某人)做某事Iappreciateyourhelpingusverymuch.我非常感激你帮助我们。Iwouldappreciateitifyouletmehavethatchance.要是你让我得到那个机会我将不胜感激。2．高考小作文④如果你能给我一些关于如何解决这些问题的建议，我将不胜感激。(2011·山东卷书面表达)

Iwouldappreciateitifyoucangivemesomeadviceonhowtosolvetheseproblems.catch/attract/drawone'sattention引起某人的注意bringsth.toone’sattention使某事引起某人注意fix/focusone’sattentionon集中注意力于……devoteone'sattentionto...专心于……turnone'sattentionto将注意力转向……[拓展归纳][多角度演练]1．完成句子①Theboykepttryingto

(引起他妈妈的注意)butinvain.②Lookatmecarefullyand

(集中你的注意力于)mymovement.③Please

(请注意)thedifferencebetweenthetwowords.attract/catch/drawhismother'sattentionfocusyourattentiononpayattentionto2．句式升级(把练习③改成被动语态结构)④

Attentionshouldbepaidtothedifferencebetweenthetwowords.3．单项填空⑤Ifyouwanttogethighergrades,youmust________whattheteacherteachesintheclass.A．lookforwardto

B．thinkhighlyofC．payattentionto D．lookup解析：考查动词短语。句意：如果你想得高分，你必须注意老师课上教的东西。lookforwardto“盼望”；thinkhighlyof“高度评价”；payattentionto“注意”；lookup“向上看”。答案：C考点12affectvt.影响；感动；侵袭Thechildrenweredeeplyaffectedbyhislifestory.孩子们被他的人生故事深深感动了。Theconditionaffectsoneinfivewomen.每五个妇女就有一个患有这种病。[归纳拓展]effectn．影响；效果haveaneffecton对……有影响Therainhashadaneffectonthecrops.这场雨影响了庄稼的生长。[辨析比较]

affect,influenceaffect只用作动词。指“影响之大足以引起反应”，有时含有“对……产生不利影响”的意思influence可以用作动词或名词。指“通过说服、举例等对行动、思想、性格等产生不易觉察到的、潜移默化的影响”[多角度演练]1．选词填空：

influence,affect①It'salltooeasytobe

byourparents.②Evenbelowthedrinkdrivinglimit,drivingwillbe

.(2011·福建卷阅读A)2．完成句子③听众被深深地打动了，他们长时间鼓掌。Theaudiencewere

,andtheywarmlyapplaudedforalongtime.influencedaffecteddeeplyaffected3.句式升级(根据要求改写练习③)④被深深地打动的听众长时间鼓掌。(用who引导的定语从句修饰audience)

Theaudience,whoweredeeplyaffected,war