wy 人教必修二 book 2 unit 4wildlife protection language points 語言點(diǎn)課件

Unit4LanguagepointsIftheirhabitatisthreatenedortheycannotfindenoughfood,theirnumbersmaydecrease.如果它們的棲息地受到威脅或者是它們不能夠找到足夠的食物的話，它們的數(shù)量可能會(huì)減少。(1)vi.&vt.減少；(使)變??；(或)變少Thenumberofthestudentshasdecreasedto500.學(xué)生人數(shù)減少到500人。Thenumberofthestudentshasdecreasedby500.學(xué)生人數(shù)減少了500人。[聯(lián)想發(fā)散]decrease的反義詞是increase。請(qǐng)根據(jù)decrease的用法，完成下列短語。①increase

增加了②increase

增加到③

theincrease 在增加中bytoon④(a)increase

在……方面增加in很多古老的習(xí)俗正在消失。Manyoldcustomsaredyingout.Asaresulttheseendangeredanimalsmayevendieout.結(jié)果瀕危動(dòng)物甚至可能要滅絕。Whyaretheyindangerofdisappearing？他們?yōu)槭裁疵媾R消失的危險(xiǎn)？[辨析比較]

indanger,dangerousindanger指人或物本身處于危險(xiǎn)中，受到外來的威脅dangerous指人、物、事態(tài)可能引起危險(xiǎn)，對(duì)別人構(gòu)成威脅形象記憶①M(fèi)yfriendis

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：“我想去看看瀕臨滅絕的野生動(dòng)植物?！盿nswerreplyInreliefDaisyburstintolaughter.戴茜如釋重負(fù)，突然笑了起來。Heburstintolaughterwhenheheardthejoke.＝Heburstoutlaughingwhenheheardthejoke.他聽完這個(gè)笑話后失聲大笑?！巴蝗豢奁饋怼钡膬煞N表達(dá)形式。burstintotearsburstoutcrying

importantimportance重要性

intelligent

intelligence智力

differentdifference區(qū)別

patient

patience耐心

silentsilence寂靜

confident

confidence自信

violentviolence暴力Thismedicinewillprotectyoufrom/againstareturnoftheillness.這種藥會(huì)防止你的疾病復(fù)發(fā)?！癐'mprotectingmyselffrommosquitoes，”itreplied.它回答說：“我這樣做是為了防止蚊蟲叮咬?！盵多角度演練]1．用所給動(dòng)詞的適當(dāng)形式填空①Weyoungpeopleshoulddosomethingwecan

(keep)theseafrom

(pollute)．②Theheavyrainpreventedus

(arrive)ontime.③Usetheumbrella

(protect)yourselffromtherain.tokeepbeingpollutedarrivingtoprotectYoushouldpaymoreattentiontotherainforestwhereIliveandappreciatehowtheanimalslivetogether.你們應(yīng)該多加關(guān)注我生活的熱帶雨林，并且懂得熱帶雨林的動(dòng)物是如何在一起生活的。Hermusicwasnotappreciated.

她的音樂無人欣賞.appreciatevt.鑒賞；欣賞；感激；意識(shí)到appreciationn．

Iwouldappreciateitif...如果……我將不勝感激appreciate(one‘s)doingsth.感激/欣賞(某人)做某事Iappreciateyourhelpingusverymuch.我非常感激你幫助我們。Iwouldappreciateitifyouletmehavethatchance.要是你讓我得到那個(gè)機(jī)會(huì)我將不勝感激。2．高考小作文④如果你能給我一些關(guān)于如何解決這些問題的建議，我將不勝感激。(2011·山東卷書面表達(dá))

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...專心于……turnone'sattentionto將注意力轉(zhuǎn)向……[拓展歸納][多角度演練]1．完成句子①Theboykepttryingto

(引起他媽媽的注意)butinvain.②Lookatmecarefullyand

(集中你的注意力于)mymovement.③Please

(請(qǐng)注意)thedifferencebetweenthetwowords.attract/catch/drawhismother'sattentionfocusyourattentiononpayattentionto2．句式升級(jí)(把練習(xí)③改成被動(dòng)語態(tài)結(jié)構(gòu))④

Attentionshouldbepaidtothedifferencebetweenthetwowords.3．單項(xiàng)填空⑤Ifyouwanttogethighergrades,youmust________whattheteacherteachesintheclass.A．lookforwardto

B．thinkhighlyofC．payattentionto D．lookup解析：考查動(dòng)詞短語。句意：如果你想得高分，你必須注意老師課上教的東西。lookforwardto“盼望”；thinkhighlyof“高度評(píng)價(jià)”；payattentionto“注意”；lookup“向上看”。答案：C考點(diǎn)12affectvt.影響；感動(dòng)；侵襲Thechildrenweredeeplyaffectedbyhislifestory.孩子們被他的人生故事深深感動(dòng)了。Theconditionaffectsoneinfivewomen.每五個(gè)婦女就有一個(gè)患有這種病。[歸納拓展]effectn．影響；效果haveaneffecton對(duì)……有影響Therainhashadaneffectonthecrops.這場(chǎng)雨影響了莊稼的生長(zhǎng)。[辨析比較]

affect,influenceaffect只用作動(dòng)詞。指“影響之大足以引起反應(yīng)”，有時(shí)含有“對(duì)……產(chǎn)生不利影響”的意思influence可以用作動(dòng)詞或名詞。指“通過說服、舉例等對(duì)行動(dòng)、思想、性格等產(chǎn)生不易覺察到的、潛移默化的影響”[多角度演練]1．選詞填空：

influence,affect①It'salltooeasytobe

byourparents.②Evenbelowthedrinkdrivinglimit,drivingwillbe

.(2011·福建卷閱讀A)2．完成句子③聽眾被深深地打動(dòng)了，他們長(zhǎng)時(shí)間鼓掌。Theaudiencewere

,andtheywarmlyapplaudedforalongtime.influencedaffecteddeeplyaffected3.句式升級(jí)(根據(jù)要求改寫練習(xí)③)④被深深地打動(dòng)的聽眾長(zhǎng)時(shí)間鼓掌。(用who引導(dǎo)的定語從句修飾audience)

Theaudience,whoweredeeplyaffected,war