Unit 4 Save the trees 词汇讲义+课堂达标检测（无答案）

7B Unit4 Save the trees词汇讲义
Key Words&Phrases： 核心词汇：?拯救?v._____________________________?? 2.?松树?n._______________________________?? ?讨论?v._____________________________?? 4.?树枝?n._______________________________?? ??根?n._______________________________?? 6.?与…作斗争?v._________________________? ?7.??反对?prep._________________________?? 8.?例子?n._______________________________? ?9.?有害的?adj.________________________? ?10.?气体?n._______________________________? 产生；生产?v.______________________?? 12.氧气?n._______________________________? 主要的?adj.________________________?? 14.方便的?adj.___________________________?? 家具?n.____________________________?? 16.想象；设想?v._________________________?? 疾病?n.____________________________?? 18.挖?v.__________________________________?? 洞?n.______________________________ 20.搬；扛；背?v._________________________?? 21.容器?n.____________________________? 重点知识精讲：1.?Trees?are?good?for….?????be?good?for?对…..有利??????? eg:运动有益于健康。?__Exercise?is?good?for?our?health.????????????????????????????? ?【反义词】be?bad?for?? 对…..有害?????? ?eg:吸烟对身体有害。?_________________________??????????????????????????????? ?They?take?in?harmful?gases?from?the?air?and?produce?oxygen?for?us?to?breathe.? ??take?in吸收??? The?village?is?a?good?place?for?people?to?take?in?fresh?air.?? 这个村庄是一个让人们呼吸新鲜空气的好地方。【拓展】与take相关常用短语：take?back?拿回；收回（错话或错误的想法）?? I?forgot?to?take?back?the?luggage?I?left?here.?我忘了拿回留在这的行李了。????take?care?（of）?照顾?? Take?care?of?yourself?when?you?are?on?vacation.?度假时好好照顾你自己。????take?off?脱下；起飞?? The?plane?is?taking?off.?飞机马上就要起飞了。take?away?拿走?? Take?away?the?glasses?and?the?tray.?把这些玻璃杯和托盘拿走。????take?out?拿出?? The?robber?made?him?take?out?money.?那个强盗让他把钱拿出来。harmful adj.??有害的? 反义词：harmless? 无害的????????harm?n. /?vt.??损害；伤害；危害?【常用短语】be harmful to 对......有害的=do harm to=be bad for?在黑暗中读书对你的眼睛是有害的。It’s harmful to?your?eyes?to?read?in?the?dark.=________________________________produce v.生产，产生 product? n.?产品The?factory?produces?many?kinds?of?toys.?这个工厂生产很多种类的玩具。 Try?to?get?the?best?product?at?the?lowest?price.?尽力以最低的价格买到最好的产品。3.?They?help?fight?against?pollution.?①fight? vi.?与….斗争，常与介词against或with连用。过去式fought?? ?如：Yesterday?he?fought?bravely?with?the?thief.?昨天他勇敢地和小偷作斗争。 ②against?：违背，违抗；紧靠，防备?? be?against反对 反义词：be?for?赞同? ??如：It’s????????? your?promise?to?go?on?smoking.?继续抽烟是违背你的诺言的。 People?hold?umbrellas?against?rain.?人们撑着伞挡雨。4.?discuss?the?importance?of?trees.?discuss?vt.?讨论，谈论=??????talk?about??后接名词、动名词或when,?whether,?what等引导的从句，但不可接that?从句。? 【拓展】discussion? n.?讨论，谈论? 译：我们应该面对面地讨论这个问题。??________________________________ ???? ?cover? v. 覆盖，遮盖 ?The?group?of?buildings?covers?more?than?ten?thousand?square?metres. ??这片建筑群覆盖了超过一万平方米的土地【常用短语】cover……with…?用….把….盖上 ?be?covered?with… 被….覆盖着。? 译:?1.?他用布把桌子遮住。____________________________????????????????????????????????????????????????????????????? ?2.??整条路都被雪覆盖了。The?whole?road?is?covered?with?snow.??????????????????????????????? 6．Look?around?this?room.?Look?around?环顾四周 ?【拓展】与look有关的短语? ?照顾，照料，关心?????????You?should?look?after?your?sick?mother 你应该照顾你生病的妈妈。???????? ?看，注视???????????????????? ______________________????请看黑板！???? 寻找??? ????He?is?looking?for?his?keys.???他正在找他的钥匙。???????????????????? ?看起来像look?like???? ______________________ 她看起来像她的妈妈。 ?抬头看，查阅look?up You?can?look?up?the?dictionary?if?you?don’t?know?the?word.?? 如果你不认识这个单词，你可以查下字典。 ??仔细检查；翻阅???look?over Look?over?the?paper?again?before?you?hand?it?in. ? 在你交试卷前，要仔细检查试卷。??????????? ?????????????????????????????????????A?lot?of?the?furniture?is?made?of?wood.? ①furniture?不可数名词，家具? a?set?of?furniture一套家具;? 一件家具a?piece?of?furniture ?②be?made?of????由….制成?????从产品中能够看出原材料?? be?made?from??由….制成。???????从产品中看不出原材料。?拓展：? be?made?up?of?由……组成? be?made?in???在……地方制造?（比如?made?in?China）? be?made?by???由……（人）制造??????? ?be?made?into?被制成......?练习：? .?The?desk?is?made?__________?wood.?? ?(2).?Paper?is?made__________?wood.??? .?The?machines?were?made?__________?the?workers.?? ?(4).?This?kind?of?watch?is?made?_________?Shanghai.?? ?(5).?The?team?is?made__________?30?students?and?a?teacher.?? ?I?can’t?imagine?a?world?without?trees.imagine?vt.?想像；猜想；臆断.???用法：?1)?imagine+sth? ?Imagine?doing?sth:? I?often?imagine?dancing?on?the?grassland.我经常想象在草地上跳舞。 Can?you?imagine?????????????________??such?a?boring?man???你能想象和这样一个无聊的人生活在一起吗？ ????? ?9.??However,?people?are?destroying?the?area?by?cutting?down?many?of?the?trees.?①cut?down?砍倒，减少，降低，缩短??? The?little?boy?cut?down?the?young?tree?with?an?axe.???拓展：?与cut有关的短语?? ??cut?something?from?something?从....切下/割下?....??? cut?up?切碎;??? ?cut?off切断,?停止?? ???????.?②However：然而；不过? however? 副词? 可位于句首、句中、句末?? ? 必须用逗号与句子分开?? but?? 连词位于句首或句中?? 后面连接一个句子时无需用逗号 ?I?am?good?at?math.?However,?my?English?is?very?bad.????现在在下雨，不过我们还是出去寻找那个孩子。? ?I?want?to?study?abroad;?however,?it?is?a?difficult?decision.? ?I?want?to?study?abroad,?but?it?is?a?difficult?decision.?? 我想出国留学，然而，这是一个困难的决定。? ?????????????????????????????.? 10.?She?can?skate?at?a?very?high?speed?because?she?practises?a?lot.?practise??vt.?训练，练习 ?【常用短语】pratise doing sth 练习做某事 如：I?should??practise?speaking?English.??我们应该练习说英语。 ?practice??n.?练习??????????? 如：Playing?the?piano?needs?a?lot?of?practice. 弹钢琴需要大量的练习。 11.?But?the?speaker?did?not?stop?speaking?until?twenty?past?twelve.?①?until?连词，意为:直到…..时。not…..until?意为：直到…..才…..。? ??如：We?won’t?see?any?flowers?until?May.??????? I?shall?stay?here?until?twelve?o’clock.? ②stop doing sth & stop to do stop doing停下正在做的事 stop to do 停下来去做某事练一练：I stopped reading the book when my mother asked me to have supper.
当妈妈叫我去吃晚饭时,我停止了读书.I was watching TV just now.When I heard my mother came into the room,I stopped to read my book.
刚刚我在看电视,当听到妈妈走近房间时,我马上停下来,然后去做作业了.??In?fact,?we?get?a?lot?more?from?trees.?? ?In?fact? 事实上，实际上。? ??实际上，他50岁了。????__________________________________????????????????????????? ?Many?living?things?lose?their?homes?because?of?deforestation.??? ?because?of:?因为，由于? because?of? ? 介词短语 ??其后可接名词、代词、动名词等? because?? 连词 后跟句子 练一练：?1）He?can’t?come???????????????_______??the?heavy?rain.???????????? ??2）________________it?rains?heavily,?he?can’t?come.? 14.?We?are?having?fun?at?the?beach.? ???have?fun=have?a?good?time=enjoy?oneself?玩得高兴，过得愉快。?? ?????????? 15.?We?must?do?our?best?to?protect?the?Amazon?rainforest.?do?our?best?to?do?sth=try?our?best?to?do?sth?尽某人最大的努力去做….?protect?:?保护? protect?sth/sb?from?sth?保护某人/某物免遭......（侵害）? You?should?protect?the?children?from?catching?cold.? 16.?Tea?is?the?most?popular?drink?in?the?world?besides?water.? ???besides???除…外（还有）?except/but?除…外（不再有） ?如：??They?all?came?except/but?Tom/him.? ?? They?all?came?besides?Tom/him.?注意：在否定句中besides/but/except可以互换。? 如：?Nobody?knows?the?truth?besides?/but/except?Tom.? 17.?the?number?of?VS.?a?number?ofthe?number?of??…的数量?? 后接可数名词复数，但谓语动词要用单数形式?? a?number?of??大量；许多?? 后接可数名词复数，但谓语动词要用复数形式?eg?:?The?number?of?the?students?in?our?class?is?20.??我们班学生的数量为20。?? A?number?of?students?are?waiting?outside.??许多学生在门口等着。? 18.?According?to?an?old?story,?Chinese?Emperor?Shennong?discovered?tea.????according?to?根据，按照???????????????????????????????????????? 课堂达标检测: 一．?首字母填空? 1?.?He?risked?his?life?in?trying?to?s_____?the?drowning?boy?. ?How?many?p_____________?trees?are?there?in?your?school?? He?often?f________?against?his?parents?.Do?you?think?it?right? I?think?smoking?is??h________?to?your?health.? ?I?was?told?my?mother?m___________?in??English??when?she?was?in?college. ?To?our?happiness,?it?is?c___________?for?us?to?go?to?HK?now. ?Look?,?He?is?d_____________?a?hole?to?plant?trees.? ?Can?you?c____________?the?bag?for?me?? I?have?never?seen?so?many?b___________?in?a?big?tree?. ?The?table?is?m______?of?wood.? 二?.用所给单词正确形式填空? ?How?much_____________(furniture)?is?there?in?your?room?? You?had?better?put?the?food?in?the?_________(contain)?. ?His?story?made?us?full?of___________(imagine). ??No?__________(?harmful)?would?come?to?us?. ?I?will??answer?for?her?___________(safe)? ?His?grandfather?often_____________(carry)?his?grandson’s?schoolbags?every?day?.?We?must?think?about?his_____________(convenient).? 8?.We?had?a?long_______________(discuss)?before?we?had?a?meeting?.9.?I?saw?her?__________(save)?home? 10.This?is?one?of?the____________(?large)??trees?in?the?world. 三．完成句子。? 1.?这个盒子是由木材做成的。? The?box?___________?____________?______________of?wood.? 2.?很多东西都看不见，例如，我们根本就看不见空气。? A?lot?of?the?things?are?invisible,?__________?______________,?we?can?not?see?air?at?all.? 3.?我们日常生活中有很多太阳能产品。? We?have?so?many?solar?products?__________?__________?___________?___________.? 4.?顾客们喜欢这家饭店是因为它的优质服务。? Customers?likes?this?restaurant?_________??__________?its?good?service.?? 5.?全世界几百万人都吃这些食物。? ________?_________?people?around?the?world?eat?these?foods?every?day.? ??6．你是赞成还是反对这个计划？? Are?you____________?or_______________?the?plan?? 7.?纸可以吸水。? Paper?can___________?____________?water.? 8．Tom?每天都练习打篮球。? Tom___________?______________?basketball?every?day. ?9.?路上被雪覆盖了。? The?road?___________?____________?____________?snow.? ?我们必须尽我们最大努力来保护亚马逊雨林。 We?must__________?____________?_________?to?protect?the?Amazon?rainforest.? 11.工人正在挖洞。? The?workers___________?_____________?holes?in?the?ground.? 12.?吸烟有害健康。? Smoking?________?______________?__________?your?health.? 13.?你应该保持房间干净。? You?should?_________?your?room____________.? 14.?多读书对你的写作有好处。? Reading?________?____________?____________your?writing.? 15.?Tom来自哪里？? ?Where________?Tom_________?________________?????=Where________?Tom?______________? 四、单选?1.The?doctor?gave?him?some?pills?to?__________?the?pain.? A.?take?off??????????B.?take?in????????C.?take?on????????D.?take?away? 2.Do?some?sports?every?day.?It?will?help?you?keep?__________.?A.healthy???????????B.healthily???????C.?kindly?????????D.?excitedly? 3.——There?are?_________?people?here?in?our?city.? ?——Actually,?there?are?__________?people?here?in?our?city.?A.?millions?of;?three?million?????????B.?millions?of;?millions? C.millions?of;?three?million?of????????D.?million?of;?three?million?of ?4、——What?time?is?it?now?? ???——It?is?20:00.?I?think?we?should?stop?__________?first.? A.?having?supper??????????????????B.?have?supper?C.?to?have?supper??????????????????D.?to?having?supper? 5、——I?bought?____________?furniture.????——Really??What?________?? A.?a?new;?is?it?made?of???????????? B.?a?new;?does?it?made?of?C.?a?new?piece?of;?is?it?made?of??????D.?a?new?piece?of;?does?it?made?of ?6、Look?at?this?old?bridge!?It?is?made?__________?stones.?? A.?from?????????B.?of????????C.?into?????????D.?up? 7、I?_________?the?swimming?club?if?you?________?it.? ?A.?join;?join???? B.?will?join;?join???????C.?join;?will?join?? ?D.?will?join;?will?join? He?heard?someone?calling?his?name,?so?he?stopped?and?________.?But?he?couldn’t?see?any?one.???looked?around?????B.?looked?up????C.?looked?into??????D.?looked?for? ——We?can’t?live?without?trees.?They?make?our?lives?_________.?? ??——I?agree.?We?should?stop?people?_________?trees.? ?A.?convenient;?to?cut?down?????????B.?conveniently;?to?cut?down???C.?convenient;?cutting?down????????D.?conveniently;?cutting?down?10、the?little?dog?helps?his?owner?_________?many?ways?__________?his?daily?life.??、A.?in;?at?????????B.?on;?in??????????C.?in;?in????????D.?on;?on? 11、____________?young?people?are?waiting?in?the?square?to?see?their?idol.?A.?6?thousand???????B.?6?thousands??????C.?6?thousands?of????D.?Thousand?of? 12、_________?a?result,?you?have?to?study?harder?from?now?on.? A.?To?????????????B.?In???????????C.?As?????????D.?For??13、We?should?protect?our?environment?_________?more?trees.? ?in?planting???????B.?with?planting?????C.?for?planting????D.?by?planting?? You?should?cancel?the?visiting?_________?the?bad?weather.? ?because?????????B.?because?of???????C.?why?????????D.?by? 15、_________?our?fan?clubs?is?becoming?larger?and?larger.?A.?The?number?of??????B.?A?number?of?????C.?The?number????D.?A?number? 完形 ?You?may?think?there?is?only?____1______?in?the?desert?of?the?world.?However,?it?is?not?true.?In?the?desert,?as?we?know,?there?is?a?little?__2_______,?but?it?is?not?good?enough?for?most?plants.?Still?we?can?see?some?plants?live?in?the?desert.?There?is?_____3_____?in?some?places?in?the?desert.?We?call?these?places?oases(绿洲）In?the?oases,there?are?villages?and?towns.?People?grow?all?kinds?of?___4______?in?the?fields?there.? People?also?live?outside?the?oases.?They?have?camels,?sheep?and?other?animals.?____5______?are?these? animals’?food?and?they?do?not?need?much?water.?The?_____6_____?are?useful?to?the?desert?people?in?many?ways.?They?eat?the?meat?and?drink?the?milk?of?the?animals.?They?use?the?___7______?for?carrying?water,? food,?tents?and?something?else.?The?people?of?the?desert?have?to?keep?moving?from?place?to?place.?They? must?always?___8______?grass?or?desert?plants?for?their?animals.?When?there?is?no?more?____9_____?for? their?animals,?they?move?to?another?place.?The?desert?people?are?____10______.?No?man?in?the?desert?would?ever?refuse?to?help?the?people?in?trouble?and?give?them?food?and?water.????? 1.A.tree???????? ?B.stone????????? C.sand???????? D.plant ?2.A.rain?????????B.wind????????? C.sunshine????? D.snow? 3.A.stones???????B.water????????? C.plants??????? D.wood ?4.A.crops????????B.trees????????? C.animals????? ?D.fish? A.Crops??????? B.?Small?animals???? C.?The?rain??? D.?Desert?plants?A.animals??????B.grass?????????? C.water?????? ?D.crops? 7.A.dogs???????? B.horses?????????? C.elephants???? D.camels? 8.A.look?after???? B.look?for??????? ?C.look?up????? D.look?out? 9.A.food???????? B.water????????? ?C.weather????? D.land? 10.A.happy??????? B.ugly??????????? C.friendly????? D.dark 阅读理解 (A) Can?trees?talk??Yes?---?but?not?in?words.?Scientists?have?reason?to?believe?that?trees?do?communicate? with?each other.?Not?long?ago,?researchers?learned?some?surprising?things.?First?a?willow?tree??(柳树)?attacked?in?the?woods by?caterpillars?(毛毛虫)?changed?the?chemistry?of?its?leaves?and?made?them? tasteless?so?that?the?caterpillars?got?tired?of?the?leaves?and?stopped?eating?them.?The?even?more?astonishing,? the?tree?sent?out?a?special?vapor---?a?signal?causing?its?neighbors?to?change?the?chemistry?of?their?own?leaves?and?make?themselves?taste?also?terrible,?too.? Talking,?of?course,?doesn’t?need?to?be?always?in?words.?We?can?talk?to?each?other?by?smiling,?raising? our?shoulders?and?moving?our?hands.?We?know?that?birds?and?animals?use?a?whole?vocabulary?of?songs,? sounds?and?movements.?Bees?dance?their?signals,?flying?in?certain?patterns?that?tell?other?bees?where?to?find?nectar?(花蜜)?for?honey.?So?why?should not trees?have?ways?of?sending?messages? ?1、from?the?passage,?which?kind?of?leaves?don’t?caterpillars?eat?? ?leaves?lying?on?the?ground.???????? B.?leaves?having?an?unpleasant?taste.? C.?leaves?bees?don’t?like. D.leaves?having?an?unfamiliar?shape.?? the?willow?tree?described?in?the?passage?protected?itself?by?_________.? ?growing?more?branches???????? ?B.?talking?with?birds?and?bees.?C.?changing?its?leaf?chemistry?????? D.?shaking?caterpillars?off? ?3、according?to?the?passage,?the?willow?tree?was?able?to?talk?with?other?trees?by?___________. ?A.?Waving?its?branches????????????? B.?giving?off?a?special?smell? C.dropping?its?leaves??? D.changing?the?colour?of?its?trunk?? 4、According?to?the?passage,?bees?talk?by?_________.?A.making?special?movements???????? B.touching?one?another C.smelling?one?another?????????????? D.making?unusual?sounds?? what?does?the?author?think?about?the?idea?that?trees?can?talk? ?A.it?is?not?true?at?all.?????????????? B.only?a?few?people?believe?it.? C.The?scientists?made?some?mistakes???? D.?It?seems?very?reasonable.? (B) ???????China?is?the?best?birthplace?of?tea.?Nowadays,?an?increasing?number?of?foreigners?are?interested?in?tea? and?the?tea?culture.?Drinking?tea?is?good?for?our?health.?Here?are?some?tips?for?tea?lovers.?Green?Tea?is?the? best?choice?for?office?workers? ??????People?who?work?in?places?with?air?conditioning?may?face?skin?problems.?They?are?easy?to?get?dry?skin.?However,?green?tea?can?help?you?solve?this?problem.?Besides,?green?tea,?like?makeup,?can?prevent?computer?radiation(辐射).?Winter?is?the?season?to?drink?Black?Tea????????Many?Chinese?people?believe?that?different?people?should?drink?different?tea.?Black?tea?can?warm?the? stomach,?refresh?the?mind?and?accelerate?digestion(加速消化).?Therefore,drinking?warm black?tea?in?the?cold?winter?is?a?most?suitable?choice.?Do?not?drink?thick?tea??????Strong?tea?may?take?the?human?body?much?too?excited?and?can?do?something?bad?to?your?cardiovascular?and?nervous?system(心血管和神经系统).?A person?may?get?heart?or?blood?problems if?he?drinks?too?much? strong?tea.?Do?not?drink?too?much?tea?when?eating??? ?Drinking?too?much?tea?or?strong?tea?can?stop?your?body?from?taking?in?the?calcium,?iron?and?so?on.? Also,?people?should not drink?tea?with?milk?or?other?milk?products?because?the?tea?may?make?the?milk? products?less?nutritions（营养）6.?We?can?read?the?article?in?___________.?A.?Life?and?Health????????????B.?Chinese?Culture? C.?Fashion?Times?????????????D.?Sports?and?Health? 7.if?you?always?work?with?computer,?what?kind?of?tea?should?you?drink???A.?Green?tea??????B.?Black?tea??????C.?Strong?tea????D.?Hot?tea? 8.What?does?the?underlined?word”suitable”?mean?in?the?passage??? A.?滑稽的????????B.?惊人的??????C?可能的?????D?合适的? 9.Too?much?thick?tea?may?cause?____________.? A.skin?problems????B.?Heart?disease?????C.headache?????D.?Stomachache10.?Which?of?the?following?is?NOT?true?? ?If?you?have?a?stomachache,?you?should?drink?black?tea.? B.?Strong?tea?may?make?the?body?excited.? C.?When?we?choose?tea,?we?should?know?the?characteristic?and?taste?of?each?kind?of?tea.?D.?At?table,?we?should?drink?tea?as?soon?as?possible?because?it’s?good?for?our?health. 七．语法填空 A?Chinese?man?Cai?Lun1.________??（invent）?paper?almost?2,000?years?ago.?He?made?paper?from ?wood.?He?then?put?all?the?paper?together?and?made?the?paper?into a?book.?? ???Now?we?still?use?wood2.__________(make)?paper.?We?use?a?lot?of?paper?every?day.?If?we?keep?on wasting?so?much?paper,?there?will?not?be?any?trees?left?on3._______earth.?If?there are no?trees,?there?will?be?no?paper.?Every?day,?people?throw?away??about?2,800?tons?of?paper.??We?use?17?trees? to?make?one?ton?of?paper.?This?means?we?are?cutting?nearly?48,000?trees?every?day.? ???Since?it? takes more?than?10?years4.?for____?a?tree?to?grow,?we?must?start?using less paper?now.?So?5.how can?we?save?paper??We?can?use?both?sides?of?one?piece paper,?especially when?we?are?making6.?notes(note).?We?can?choose?drinks?in?bottles?instead7.of?those?in?paper?packets.? We?can?also?use?cotton hankerchiefs(手帕)8.?but__ not?paper?ones.?When?we?go?shopping,?we?can?use? fewer?paper?bags.If?the?shop?assistant?gives?us?a?paper?bag,?we?can?save?it?and?reuse?it?later.?? Everyone?can?help?to?save?paper.?If?we?all?think9.?carefully?(careful),we?can?help?10._______(protect) ?trees.But?we?should?do?it?now,?before?it?is?too?late.??