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

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，它們的數量可能會減少。(1)vi.&vt.減少；(使)變??；(或)變少Thenumberofthestudentshasdecreasedto500.學生人數減少到500人。Thenumberofthestudentshasdecreasedby500.學生人數減少了500人。[聯(lián)想發(fā)散]decrease的反義詞是increase。請根據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很多古老的習俗正在消失。Manyoldcustomsaredyingout.Asaresulttheseendangeredanimalsmayevendieout.結果瀕危動物甚至可能要滅絕。Whyaretheyindangerofdisappearing？他們?yōu)槭裁疵媾R消失的危險？[辨析比較]

indanger,dangerousindanger指人或物本身處于危險中，受到外來的威脅dangerous指人、物、事態(tài)可能引起危險，對別人構成威脅形象記憶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：“我想去看看瀕臨滅絕的野生動植物?！盿nswerreplyInreliefDaisyburstintolaughter.戴茜如釋重負，突然笑了起來。Heburstintolaughterwhenheheardthejoke.＝Heburstoutlaughingwhenheheardthejoke.他聽完這個笑話后失聲大笑?！巴蝗豢奁饋怼钡膬煞N表達形式。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.這種藥會防止你的疾病復發(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．用所給動詞的適當形式填空①Weyoungpeopleshoulddosomethingwecan

(keep)theseafrom

(pollute)．②Theheavyrainpreventedus

(arrive)ontime.③Usetheumbrella

(protect)yourselffromtherain.tokeepbeingpollutedarrivingtoprotectYoushouldpaymoreattentiontotherainforestwhereIliveandappreciatehowtheanimalslivetogether.你們應該多加關注我生活的熱帶雨林，并且懂得熱帶雨林的動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機會我將不勝感激。2．高考小作文④如果你能給我一些關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)

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

(請注意)thedifferencebetweenthetwowords.attract/catch/drawhismother'sattentionfocusyourattentiononpayattentionto2．句式升級(把練習③改成被動語態(tài)結構)④

Attentionshouldbepaidtothedifferencebetweenthetwowords.3．單項填空⑤Ifyouwanttogethighergrades,youmust________whattheteacherteachesintheclass.A．lookforwardto

B．thinkhighlyofC．payattentionto D．lookup解析：考查動詞短語。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“高度評價”；payattentionto“注意”；lookup“向上看”。答案：C考點12affectvt.影響；感動；侵襲Thechildrenweredeeplyaffectedbyhislifestory.孩子們被他的人生故事深深感動了。Theconditionaffectsoneinfivewomen.每五個婦女就有一個患有這種病。[歸納拓展]effectn．影響；效果haveaneffecton對……有影響Therainhashadaneffectonthecrops.這場雨影響了莊稼的生長。[辨析比較]

affect,influenceaffect只用作動詞。指“影響之大足以引起反應”，有時含有“對……產生不利影響”的意思influence可以用作動詞或名詞。指“通過說服、舉例等對行動、思想、性格等產生不易覺察到的、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聽眾被深深地打動了，他們長時間鼓掌。Theaudiencewere

,andtheywarmlyapplaudedforalongtime.influencedaffecteddeeplyaffected3.句式升級(根據要求改寫練習③)④被深深地打動的聽眾長時間鼓掌。(用who引導的定語從句修飾audience)

Theaudience,whoweredeeplyaffected,war