Period Four Grammar I cant stand the noise. 5.Have you moved to your new school? Not yet.Our school _ (design). 答案 1.is giving out 2.has been polluted 3.being shown 4.is being built 5.is being designed .将下列句子变为被动语态 1.Our teacher is showing the visitors around the school. _ 2.They arent repairing my car but they are repairing your car. _ 3.We are holding a basketball match now. _ 4.Are they searching for the last boy? _ 5.Are you making a plan for your study? _ 6.Is the worker cutting the grass? No, he is watering the flowers. _ 答案 1.The visitors are being shown around the school (by our teacher). 2.My car isnt being repaired but your car is being repaired (by them). 3.A basketball match is being held (by us). 4.Is the lost boy being searched for? 5.Is a plan for your study being made (by you)? 6.Is the grass being cut? No, the flowers are being watered (by the worker). .根据汉语完成句子 1.At the moment my house _. 目前我的房子正在维修。 2.The children _ by the teacher. 这位老师在照看这些孩子。 3.The new building is _. 新大楼正在建设中。 4._ by several reporters now. 现在有好几个记者正在对这个电影明星进行采访。 5.Many 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。 答案 1.is being repaired 2.are being looked after 3.being built 4.The film star is being interviewed 5.are being carried to 现在进行时的被动语态 1.构成形式 am/is/arebeing过去分词 2.表达的意义 (1)表示某事/某人此时此刻正在被 The bridge is being repaired. 这座桥正在维修。 (2)表示某事/某人现阶段正在被 Many interesting experiments are being carried out these days. 这些天正在做一些有趣的实验。 (3)表示一种经常性的行为，常与always, constantly, frequently等 连用，表示赞赏、羡慕、讨厌等感情色彩。 I feel very surprised that the window of our classroom is frequently being broken. 我感到非常吃惊的是我们教室的那扇窗子经常被打破。 (4)表示按照计划或安排将要进行的一个被动动作(仅限于少数几 个及物动词hold, take等)。 A party is being held tonight. 今晚将要举行一场晚会。 (5)一些表示状态、心理活动、拥有、存在等的动词，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 。 Xiao Wang, come here.You are wanted on the phone. 小王，过来一下，有你的电话。 .满分作文赏析 请用英语为China Daily写一篇关于保护野生动物的短文。 内容包括： 1.许多野生动物濒临灭绝 ，保护野生动物势在必行； 2.分析造成野生动物濒临灭绝 的原因，如：森林遭到破坏 、环境被污染、人类大量捕杀等； 3.提出保护野生动物的一些建议。 注意：词数80左右。 写 作 点 拨 【范文“悦”读】 Many wild animals have already died out and hundreds of others are becoming endangered.So it is necessary to protect wild animals.If nothing is done, we may find ourselves alone on the earth. Wild animals are endangered for many reasons.Firstly, the forests where animals live are being destroyed.As a result, a lot of animals are losing their habitats.Secondly, many animals are dying out because of pollution.Besides, too much hunting also causes the disappearance of certain species of wild animals. In my opinion, the government should keep people from destroying forests and shut down factories which pollute rivers and air.Whats more, more wildlife centers should be set up. .作文仿写 江豚(finless porpoise)受人类活动的影响而濒临灭绝 ，目前 总数不足100只。假设你是李华，用英语给世界自然保护基金组 织(WWF)写一封信。信的内容包括： 1.写信的目的； 2.简述江豚的现状； 3.给WWF的一些建议。 注意：词数80左右。 【参考范文】 Dear Sir or Madam， Im writing the letter to report you the emergent situation of the Chinese Yangtze finless porpoise.Because of the human beings destructive influence, the number of this precious species has promptly dropped to less than 100. As far as I know, your foundation can help those species that are at the edge of distinction.Im writing this letter to you to ask for your generous donation to our project to protect this endangered species.If it is not too much inconvenient, would you please come to China to have a close observation of the poor porpoises and give us aid and directions to prevent them from dying out completely? Thanks for reading my letter and anxiously anticipating to hear from you soon. Yours sincerely， Li Hua 【写作方法指导】 野生动植物保护是生态保护中重要的部分，近年来受到越来越 多的重视。与此相关的写作话题常涉及野生动植物现状、面临 的危险、正在或应该采取的措施，以及保护它们的意义等。 这类文章多分为三个部分：第一部分写出濒危动植物的现状； 第二部分说明物种灭绝对 整个生态系统、人类的影响，或是分 析利弊；最后一部分提出保护的建议或进行呼吁。 描述濒危的动植物以及实施的政策时多用现在时，若是呼吁大 家进行保护则多用将来时。分析利弊时可采用从句或连词等以 使句子显得结构紧凑。 常用句式： 1.In our country, the number of wild animals is becoming smaller and smaller. 2.Many animals are in danger of dying out nowadays. 3.As is known in the chart, the number of animal species decreases faster and faster. 4.This trend will continue. 5.The reasons are as follows. 6.As far as Im concerned, something must be done to stop this illegal action.