1、教材研读一、重点单词熟记1_vt.&vi.咬；叮；刺痛2_n灭绝；消亡二、重点短语探究1look_抬头看2lose ones best_of 失去最好的机会3take_of 拍的照片,Unit 4 Wildlife Protection section Learning about Language 课件（人教版必修2，课标通用）,extinction,bite,up,chance,photos,三、教材佳句背诵1After a while she saw some zebra with black and white lines_ _their stomachs. 过了一会儿她看到了一些斑马
2、，它们身上有从上一直延伸到腹部的黑白相间的条纹。2They lived on the earth tens of millions of years ago, long before humans_ _ _and their future seemed secure at that time. 千百万年前恐龙就在地球上生活，比人类的出现要早得多， 他们的未来在那时看来很安全。,came into being,going beneath,1fit vt.&vi.适合；合适(教材原句)Find the words that are related to wildlife protection in
3、 this unit and fit them into the boxes below.(P28)找到本单元和野生动植物保护有关的词并填写在下面的格里。【句法分析】这是一个复合句。由并列连词and连接的两个动作find和fit构成的并列成分；其中第一个祈使句中由that are related to wildlife protection in this unit作定语，是修饰先行词words的定语从句。,【用法归纳】适合；合适Does the key fit the lock?这把钥匙能开这把锁吗？使合身；合的身This coat fits you well.你穿这件上衣很合身。,【辨析】
4、fit，suit和match,考点警示当表示“使适合”的意思时，fit 常与 for 连用；suit 常与 to 连用。 【即境活用】单项填空As everyone knows, no dish_all tastes. Asuits Bfits Cmatches Dadapt解析考查动词。句意：大家都知道，众口难调。此处指口味的适合。答案A,Her shoes_her dress；they look very well together.Asuit Bfit Ccompare D match解析考查动词。句意：她的鞋子与裙子很搭配；它们在一起看起来很漂亮。suit指颜色、款式适合；fit指大小
5、、尺寸等适合某人；compare比较；match与匹配。答案D,2bite vt. & vi.咬；叮；刺痛(bit, bitten)n.咬；叮；咬(叮/蜇)伤；(咬下的)一口(教材原句)What should you do if you are being bitten by mosquitoes？(P29)如果你正在被蚊子叮咬，你应该做什么？【句法分析】此句是一个复合句。连词if连接的从句为条件状语从句；What should you do为主句。【用法归纳】vt. & vi.咬；叮；刺痛Barking dogs seldom bite.爱叫的狗不咬人。,The snake bit him
6、in the leg.蛇咬了他的腿。n.咬；叮；咬(叮/蜇)伤；(咬下的)一口He ate the whole cake in three bites.他三口就吃下了整块蛋糕。考点警示“咬某人的腿”表示为“bite sb in the leg”，而不是bite ones leg，即bite人介词the部位。,【典例剖析】_twice, the postman refused to deliver our letters unless we chained our dog.ABeing bitten BBittenCHaving bitten DTo be bitten解析考查非谓语动词。句意：
7、邮递员因被狗咬了两次，拒绝给我们送信，除非我们把狗拴住。the postman和bite之间是动宾关系，故用被动形式，过去分词表示完成了的动作或状态。答案B,【即境活用】完成句子Please protect ourselves_by mosquitoes.请保护好自己，不要被蚊子咬了。She_with her umbrella.她用雨伞打他的头。Grandma led/took the baby_.奶奶牵着婴儿的手。答案from being bittenhit him on the headby the hand,单项填空My sisters dog_me yesterday.Abit Bch
8、ewed Ccut Date解析考查动词。句意：我妹妹的狗昨天咬了我。根据句意“咬”可知答案。答案AHe cant_without his false teeth.Abite Bchew Ccut Deat解析考查动词。句意：他没有假牙就嚼不动。bite指用牙齿钳住或切断，或咬一口；chew指用牙磨碎。答案B,知能精解现在进行时的被动语态表示“某人/某事此时此刻正在被”,1现在进行时的被动语态的构成句式,2.现在进行时的被动语态的用法表示说话时刻正在进行的被动性动作：现在进行时的被动语态常用来表示说话时正在进行的被动性动作。I have a feeling that we are being
9、followed.我有种感觉我们正被人跟踪。表示现阶段正在进行的被动性动作：现在进行时的被动语态还可表示目前这段时间正在进行，但此时此刻不一定在进行的被动性动作。 A modern school is being built in my hometown.我的家乡正在建一座现代化学校。,表示反复进行的被动性动作：always和现在进行时的被动语态连用可表反复进行的被动性动作，这种动词形式常用来表示赞扬或厌恶的感情色彩。 What surprises me most is that that book is always being read by him.最令我感到惊讶的是他老是在读那本书。
10、3使用现在进行时的被动语态应注意的5个问题不可漏掉being，若漏掉，则成为一般现在时的被动语态或系表结构。Look! The trees are being planted by farmers.瞧！农民们正在植树。(正在进行),The trees are planted by farmers.树是农民们种的。(表示一般现在时的被动语态)可与部分情态动词连用，表示对正在发生的事情的推测。He must be being scolded by his father.他一定正被他的父亲斥责。有时可表示按计划或安排将要进行的一个被动动作。An English party is being held
11、 tonight.今晚将举行一场英语晚会。,某些表示“状态、心理活动、存在”等的动词，如have, want, need, love，一般不用现在进行时的被动语态，而常用一般现在时的被动语态。Computer games are loved by more and more young people.计算机游戏被越来越多的年轻人喜爱。“beunder/in.n.” 可表示现在进行时的被动意义。The problem is under discussion at the meeting.The problem is being discussed at the meeting.这个问题正在会议上
12、讨论。,【典例剖析】典例1Traditional folk arts of Tianjin like paper cutting_at the culture show of the 2010 Shanghai World Expo.Aare exhibiting Bis exhibitingCare being exhibited Dis being exhibited解析考查现在进行时的被动语态。 句意：像剪纸这样的天津传统民间艺术在2010年上海世博会的文化展上展出。艺术品是被展出，且主语为复数arts，故C项正确。答案C,典例2It is reported that many a ne
13、w house_at present in the disaster area.Aare being built Bwere being builtCwas being built Dis being built解析考查现在进行时的被动语态。句意：据报导，现在许多新房屋正在灾区兴建。由at present 可知本句要用现在进行时态，而当“many a可数名词单数”作主语时，谓语动词要用单数形式。答案D,典例3Rainforests_and burned at such a speed that they will disappear from the earth in the near fut
14、ure.Acut Bare cutCare being cut Dhad been cut解析考查现在进行时的被动语态。句意：人类砍伐和焚烧雨林的速度如此之快以致于不久的将来它们就会从地球上消失。本题考查现在进行时表将来；此外，名词rainforests与动作cut和burn之间存在逻辑上的动宾关系，采用被动语态。答案C,典例4I dont suppose the police know who did it.Well, surprisingly they do. A man has been arrested and_now.Ahas been questionedBis being que
15、stionedCis questioningDhas questioned,解析考查现在进行时的被动语态。句意： 我认为警察不知道谁做了这件事。 噢，令人惊奇的是，他们知道了。一位男子已被逮捕，正在接受警方的讯问。”根据时间状语now可知本题采用现在进行时；此外，名词a man与动作question之间存在逻辑上的动宾关系，故应采用现在进行时的被动语态。答案B,典例5I have to go to work by taxi because my car_at the garage.Awill be repaired Bis repairedCis being repaired Dhas bee
16、n repaired 解析考查现在进行时的被动语态。句意：我得乘出租车去上班，因为我的车正在汽车修理厂维修。现在进行时可以表示包括说话时刻在内的一段时间内进行或发生的动作。答案C,典例6Have you handed in your schoolwork yet?Yes, I have. I guess it_now.Ahas graded Bis gradedCis being graded Dis grading解析考查现在进行时的被动语态。句意：你的作业已经交了吗？是的，我已经交了。 我猜老师正在评定我的作业等级。 表示说话时刻发生的一个被动动作，采用现在进行时的被动语态。答案C,典例7
17、Whats that noise?Oh, I forgot to tell you. The new machine_.Awas tested Bwill be testedCis being tested Dhas been tested解析考查现在进行时的被动语态。句意：现在进行时表示正在发生的动作或存在的状态。根据所提供的情景Whats that noise可判断出新机器正在被检测，所以要用现在进行时的被动语态。答案C,知能精练.完成句子1At the moment my house_.目前我的房子正在修理。2_by several reporters now. 现在有好几个记者正在对我
18、进行采访。3Many soldiers _that country by ship. Maybe there is going to be a war over there.船正在把许多士兵运往那个国家，或许那儿将有一场战争。,4A new cinema _here. They hope to finish it next month.新电影院尚未竣工，他们希望在下一个月竣工。5By the way, have you moved into the new house?Not yet. The walls_.顺便问一下，你搬到了新房子去了吗？还没有。正在粉刷墙。6You are allowed
19、 to go into the meetingroom. A secret plan _there.你被允许进入会议室。一项秘密计划正在那里制定。,7The new building is_.新大楼正在建设中。8Is the meeting_in the hall now?大厅里正在开会吗？9The children_by the teacher.这位老师在照看这些孩子。10The clothes_.这衣服好洗。,答案1.is being repaired 2I am being interviewed3are being carried to4is being built5are being
20、 painted 6is being made7under the construction8being held9are being looked after10wash well,.单项填空1Why does the river smell so disgusting?Because large quantities of water_.Ahave polluted Bhave been pollutedCis being polluted Dhas been polluted解析考查现在完成时的被动语态。句意：为什么河里的水这么的难闻？因为许多水已经被污染了。quantities of修
21、饰的成分作主语用复数形式，并且水与污染为被动关系，此时动作已经发生。答案B,2The foreign friends you referred to_looking forward to_around our university.Aare；being shown Bbeing；being shownCbeing；showing Dare；be shown解析考查动词时态和非谓语动词。句意：你提到的外国朋友正在期盼被带去参观我们的大学。此处的show around为被动。第一空为谓语，主语为the foreign friends；you referred to为定语从句。答案A,3With m
22、ore forests being destroyed, huge quantities of good earth_ each year.Ais washing away Bis being washed awayCare washing away Dare being washed away解析考查现在进行时的被动语态和主谓一致性。句意：由于许多森林被毁坏，大量的优质土壤被冲走。quantities of good earth作主语用复数谓语动词，并且表示现在进行的被动。答案D,4Have you moved to your new school?Not yet. Our school_.
23、Ahas been designed B. is designedCis designing Dis being designed解析考查现在进行时的被动语态。句意：你们搬到新校园了吗？还没有。我们学校仍然在设计中。此处表示的动作为正在进行并表示被动。答案D,5Since you have your own bike, why use mine?Something is wrong with mine and it_by my father.Ais being repaired Bwas being repairedCis repairing Dhad repaired解析考查现在进行时的被动
24、语态。句意：既然你有自己的自行车，为什么还用我的？我的出毛病了，我爸爸在修。此处维修的动作为正在进行，主语是自行车，与动词有逻辑上的动宾关系，故用被动。答案A,6The building _；I can not stand (忍受) the noise.Awas being built Bis builtCis being built Dbuilds解析考查现在进行时的被动语态。句意：这座建筑物正在被修建，我不能忍受它的噪音。此处为正在进行的被动动作。答案C,7. In the spoken English of some areas in the US，the “r” sounds at t
25、he end of the words_.Aare dropped BdropCare being dropped Dhave dropped解析考查动词的时态和语态。句意为：“在美国的一些地区的英语口语中，“r”在单词词尾的发音被省略。”由句意可知应用被动语态，排除B、D，并且表示经常发生或存在的状态，所以要用一般现在时。故选A。答案A,8Hi, Terry, can I use your computer for a while this afternoon?Sorry._.AIts repaired BIt has been repairedCIts being repaired DIt
26、 had been repaired解析考查时态和语态。由上下句可知“电脑应正在被维修”，故应用现在进行时的被动语态。答案C,9Would you please keep silent? The weather report_ and I want to listen.Ais broadcast Bis being broadcastChas been broadcast Dhad been broadcast解析考查现在进行时的用法。句意：能否请你保持安静？现在正播放天气预报这正是我要听的节目。答案B,10My money_， so I must go to the bank to draw some of my savings out before I have none in hand.Ahas given out Bis giving outChas been given out Dis being given out解析考查动词时态。句意：我的钱快用完了，所以我必须在我手头没有钱之前到银行把我的积蓄取出来。此处主语money与give out的关系为主谓；从时态分析快要用完，由此排除A。答案B,
