1、 1 Period ThreePeriod Three Discovering Useful StructuresDiscovering Useful StructuresThe presentThe present continuous continuous passive voicepassive voice 感知以下课文原句，完成方框下的小题 1What is being doneis being done to help them? 2I know that theyre being huntedre being hunted and their habitat is getting
2、smaller. 3What measures are being takenare being taken to help them? 4They are being huntedare being hunted，illegally，for their valuable fur. 5Much is being doneis being done to protect wildlife，but if we really want to save the planet， we must change our way of life. 以上句子中的黑体部分为现在进行时的被动语态，其构成形式为 be
3、 (am/is/are)being动词 的过去分词。 1现在进行时的被动语态的构成形式 形式 结构 肯定形式 主语be(am，is，are)beingdone 否定形式 主语be(am，is，are)notbeingdone 一般疑问式 be(am，is，are)主语beingdone 特殊疑问式 特殊疑问词be(am，is，are)主语being done 2.现在进行时的被动语态表示的意义 (1)表示某事/某人此时此刻正在被。 The criminal is being watched overis being watched over by a policeman. 那名罪犯正由一名警察
4、看守。 The bridge is being repairedis being repaired.这座桥正在被修复中。 (2)表示某事/某人现阶段正在被。 Many interesting experiments are being carried outare being carried out these days. 这些天许多有趣的实验正在被进行着。(说话时并不一定正在进行) 2 (3)表示一种经常性的被动行为， 常与 always， constantly， frequently 等词连用， 表示赞赏(扬)、 羡慕、讨厌等感情色彩。 I feel very surprised that
5、 the window of our classroom is frequently being brokenis frequently being broken. 我感到非常吃惊的是我们教室的那扇窗户经常被打破。 (4)与部分情态动词连用，表示对正在发生的动作的推测。 He may be being scoldedbe being scolded by his father at the very moment.此刻他也许正被他父亲责骂。 3现在进行时的被动语态注意要点 (1)不可遗漏 being。 现在进行时的被动语态表示说话时正在进行的一个被动的动作，如果我们把 being 漏掉，即成为
6、一 般现在时的被动语态或系表结构。 Look！The children are being taken care ofare being taken care of by their aunt.瞧！那些孩子正由他们的姑妈照 看着。 Children are taken good care ofare taken good care of at school. 孩子们在学校被照顾得很好。(一般现在时的被动语态) The report is being writtenis being written by one of the best students.报告正由一名最优秀的学生写着呢。 The
7、report is well writtenis well written.(系表结构) 这个报告写得很好。 (2)现在进行时的被动语态也可以表示将来。 现在进行时的被动语态有时可表示按计划或安排将要进行的一个被动动作(此种用法仅限于少数及 物动词，如：hold，take 等)。 A party is being heldis being held tonight.今晚将要举行一场晚会。 (3)不及物动词(短语)、非延续性动词、表示存在意义/所属关系/静态特征的动词以及系动词不用 于现在进行时的被动语态。 这本书是他的。 误The book is being belonged to him.
8、正The book belongs to him. (4)一些表示状态、心理活动、拥有、存在等的动词，如 have，want，need，like，realize 等， 一般不用于进行时的被动语态， 而常用一般现在时的被动语态表示此时此刻或目前主语正在承受谓 语动词表示的动作。 玛丽，过来，有你的电话。 误Mary，come here.Youre being wanted on the phone. 正Mary，come here.Youre wanted on the phone. (5)“beunder/in”等“介词名词”结构可表示现在进行时的被动语态的含义。 The problem is
9、 under discussionis under discussion (is being discussed) at the meeting.这个问题正在会上讨 论。 3 The telephone is in useis in use (is being used) now. 这部电话正在使用中。 .单句语法填空 1Is the meeting being held(hold) in the hall now? 2We can hear that the papers are being printed(print) these days. 3My sister is being int
10、erviewed(interview) at this moment. 4There is a lot of noise outside as repair work is being done(do) to the house. 5Look！The man is being questioned(question) by the police. .用现在进行时的被动语态改写下列句子 6They are building nine parks. Nine parks are being built (by them) 7Your questions are under discussion.
11、Your questions are being discussed. 8They are studying the Milu deer at the research centre. The Milu deer are being studied at the research centre (by them) 9They are collecting money for the project. Money is being collected (by them) for the project. 10My father is painting our new house now. Our
12、 new house is being painted (by my father) now. .语法填空(用所给词的正确时态、语态填空) Li Ming：Hi，Lin Tao，its several months since we 11.met(meet) last time.You said you were tired of your work and you 12.would find(find) a new job.What are you doing now? Lin Tao：Oh，Im 13.being trained(train) for the work in the sup
13、ermarket this month.You know，a supermarket 14.is being built(build) in our town，and it 15.will be(be) open in about two months.Where are you going now? Li Ming：I 16.am going(go) to the centre stadium，where the spring sports meeting 17.is being held(hold) Lin Tao：I hear that a car exhibition is also
14、18.being held(hold) there.Why dont you drive there？Its a long way from here. Li Ming：There is something wrong with my car and it 19.is being repaired(repair) in the garage(汽修厂)I 20.am losing(lose) weight recently，so Id like to go there on foot. Lin Tao：I see.Then wish you a good day! 4 Li Ming：Thank
15、 you！Bye! Lin Tao：Bye! 基础巩固 .用所给动词的正确形式填空 1The camera that is being used(use) by him now belongs to me. 2With the development of science，more new technologies are being applied(apply) in the field of IT. 3A new library is being built(build) and will be completed next month. 4While the machine is bei
16、ng examined(examine)，a lot of defects are found. 5Look，the baby is being looked(look) after by the babysitter. 6Much progress is being made(make) in China with the help of the peoples hard work. 7Can I use your telephone? Sorry，the telephone is being used(use) now. 8We cant use our classroom，for it
17、is being painted(paint) now. 9Your experiment report is being typed(type) now and it will be finished(finish) soon. 10Little Tony is being taken(take) care of by his aunt because his parents are both busy with their work. .句型转换 11The teacher is grading the students schoolwork now. The students schoo
18、lwork is being graded now. 12There is good news of the sports meeting which is being held in the city stadium these days. There is good news of the sports meeting being held in the city stadium these days. 13The police have arrested a young man and they are questioning him now. A young man has been
19、arrested and is being questioned now. 14The building is being constructed. The building is under construction. 15We have to take another road because this road is being repaired. We have to take another road because this road is under repair. 16The boys and girls are decorating the classrooms. The c
20、lassrooms are being decorated by the boys and girls. 17The men are talking about their future. 5 Their future is being talked about by the men. 18The manager is punishing the worker for his fault. The worker is being punished for his fault by the manager. 19The girls were singing the song when I got
21、 there. The song was being sung by the girls when I got there. 20This computer is being used. This computer is in use. .单句写作 21这些鸟在这儿被保护得很好。 These birds are being protected well here. 22我们学校正举办运动会。 The sports meeting is being held in our school. 23这部电影正在全国各地上映。 This film is being shown/is on show ar
22、ound the country. 24这座城镇有多少大楼正在修建？ How many buildings are being built in the town? 25我不知道你的电脑正在如何维修。 I dont know how your computer is being repaired. 能力提升 .阅读理解 A A One day，Opossum(负鼠) was walking in the woods around sunset when he saw Raccoon(浣 熊)Opossum had always admired Raccoon because he had a
23、beautiful tail with rings all around it.So Opossum went up to Raccoon and said，“How did you get those pretty rings on your tail？” Raccoon stroked his fluffy(披着绒毛的) long tail and said，“Well，I wrapped bark around the tail here and here and here，” he pointed，“then I stuck my tail into the fire.The fur
24、between the strips of bark turned black and the places underneath the bark remained white，just as you see！” Opossum thanked the Raccoon and hurried away to gather some bark.He wrapped the bark around his furry tail，built a big bonfire，and stuck his tail into the flames.The bonfire was too hot and to
25、o fierce.It instantly burnt all of the hair off the Opossums tail， leaving it entirely bare. 6 Opossum wailed and moaned(呜咽) when he saw his poor tail，but there was nothing he could do but wait for the fur to grow back.Opossum waited and waited and waited.But the tail was too badly burnt by the fire
26、 and the fur did not grow back.Opossums tail remained bare for the rest of his life. Opossums tails have been bare ever since. 语篇解读 本文是一篇趣闻，讲述了为什么负鼠的尾巴是光秃秃的。 26Opossum failed to have the similar tail to that of Raccoon because . Ahe made the bonfire too hot and too fierce Bhe did not collect enough
27、bark to make a proper fire Chis tail was different from that of Raccoon at the very beginning Dhe did not wrap the bark around his tail as well as Raccoon did 答案 C 解析 推理判断题。 本文是一个趣闻， 而我们根据常识可知， 负鼠和浣熊的尾巴天生就是不相同的， 故 C 正确。 27Whats the authors tone when telling the story? ASerious. BHumorous. CObjective
28、. DSubjective. 答案 B 解析 推理判断题。本文说浣熊和负鼠的尾巴都是用火烧出来的，显然是笑话。所以作者讲这个故 事的语调是幽默的。 28Which of the following can best serve as the title of the passage? AWhy Opossum Has a Bare Tail BHow to Make a Raccoons Tail COpossum and Raccoons Story DLiar in the WoodsRaccoon 答案 A 解析 标题归纳题。文章最后一句话点明主旨，说明文章中心所在。 B B The l
29、oneliest chimp(黑猩猩) in the world just got the best surprisea hug from a new friend.Ponso has been by himself for nearly three years，finding himself alone after his wife and children died on the island where they were abandoned by a medical testing company many years ago. For years a nearby villager
30、named Germain has been Ponsos only company，visiting him so often to bring bananas and breadthe chimps only source of food on the tiny island.It was clear how much Ponso missed companionship when he was recently visited by 7 Estelle Raballand，the director of Chimpanzee Conservation Centre.The chimp i
31、mmediately embraced Estelle Raballand in a huge hug and laughed as she reached out for him，with his smile from ear to ear. For those who know Ponsos backstory，his immediate ease and trust in humans might be surprising.Ponso was one of 20 chimps，all between the ages of 7 to 11 years old， relocated to
32、 an island off the Ivory Coast after being used for testing by the New York Blood Centre.After the tests were completed in 2005，the lab reportedly transferred the chimps to a string of islands，occasionally dropping off food and water because there was none in the chimps new homes. Disease and hunger
33、 soon left only Ponso，his mate and their two children standing.But at the end of 2013 they died within days of each other and Ponso was now completely alone. A group called SOS PONSO is trying to raise money for the poor lonely chimp，already achieving its goal of 20,000all of which will be used for
34、Ponsos care. 语篇解读 本文介绍了独自在孤岛上生活的大猩猩 Ponso。它对新朋友 Estelle Raballand 的造访感到很兴奋。目前，很多人都很关心这只孤独的大猩猩，并成立了一个专门的组织为 其募捐。 29What do we know about the chimp Ponso? AHe was deserted by his family. BHe found many sources of food. CHe came to the island for a test. DHe suffers from loneliness greatly. 答案 D 解析 细节理
35、解题。 根据第一段中的“Ponso has been by himself for nearly three years， finding himself alone after his wife and children died on the island.”可知，妻子和孩子死后， Ponso 独自在岛上待了三年，非常寂寞，故 D 项正确。 30How did Ponso feel about the visit of Estelle Raballand? AFrightened. BExcited. CEmbarrassed. DConfused. 答案 B 解析 细节理解题。根据第二段
36、最后一句“The chimp immediately embraced Estelle Raballand in a huge hug and laughed as she reached out for him，with his smile from ear to ear.” 可知，Ponso 对 Estelle Raballand 的造访感到很兴奋，故 B 项正确。 31What is Paragraph 3 mainly about? AThe chimps new settlement. 8 BWhy Ponso was used for a test. CHow Ponso came
37、 to the island. DThe medical test about chimps. 答案 C 解析 段落大意题。根据第三段内容可知，本段主要介绍了 Ponso 先是被用于做实验，然后在实验 结束后被送到这个岛上，故 C 项正确。 32What can be inferred from the text? AMany people show concernconcern for Ponso. BA new lab will be built on the island. CGermain wont visit Ponso any more. DMore chimps will be
38、brought to the island. 答案 A 解析 推理判断题。根据最后一段可知，人们成立了一个专门的组织为 Ponso 进行募捐并已募集到 了目标捐款，可见很多人关心 Ponso，故 A 项正确。 .七选五 Animals can move from place to place，but plants cannot.When an animal is under attack， it can run away or fight back.Plants certainly cannot run away，and they lack teeth and claws. 33 Some p
39、lants have their own ways to keep animals away.For example，the leaves of the holly plant have sharp spines(刺) that discourage grass-eating animals.Holly leaves on lower branches have more spines than leaves on upper branches. 34 Some plants，such as the oak tree，have thick and hard leaves that make i
40、t difficult for the animals to eat.Some grasses may contain a sandy material. 35 Many plants also have chemical defenses. 36 Some plants may fight against an attack by increasing the production of these chemicals.When a worm bites a tobacco leaf， the leaf produces a chemical messenger.This messenger
41、 sends to the roots the information to produce more nicotine.The higher levels of nicotine discourage the worm. 37 A certain plant in China，for example，has physically spiny leaves，and each spine contains chemically poisonous venom(毒液)A single experience with this kind of plants will teach an animal
42、to stay away in the future. AAnimals are good at protecting themselves. BEating such grasses wears down animals teeth. CMany plants depend on both physical and chemical defenses. DPlants have more ways to defend against the enemies than animals. EThis is because the lower leaves are easier for most
43、animals to reach. 9 FSome plants produce chemicals that taste bitter or cause an unpleasant reaction. GBut plants can defend themselves by using both the physical and chemical means. 语篇解读 本文主要介绍了植物保护自身免遭动物伤害的方法。 33答案 G 解析 该句位于首段段末，应能起到引出下文内容的作用。下面的几段均介绍了植物保护自身免遭 动物伤害的方法，且该空前的三句介绍了与动物相比植物的劣势，故 G 项(但植
44、物可以通过使用物 理和化学方法对自己进行保护)符合此处的语境。 34答案 E 解析 上一句中提到较低处的冬青树叶比较高处的叶子有更多的刺，而 E 项(这是因为较低处的树 叶更容易被大多数动物够到)紧承上文，介绍了原因。 35答案 B 解析 上一句中提到有些草可能含有沙质物质， 而 B 项(吃这些草会磨损动物的牙齿)恰能顺承上文。 36答案 F 解析 第四段主要介绍了有些植物能够使用化学防御方式来抵御伤害。结合下一句中的“by increasing the production of these chemicals”可知，该空应点明有些植物能够产生一些味苦 或者会引起不良反应的化学物质，即 F 项。 37答案 C 解析 下文的例子中提到的植物既有“physically spiny leaves”，又有“chemically poisonous venom”，由此可见，本段介绍了有些植物既依靠物理方式也依靠化学方式抵御侵害，故选 C 项。
