高二英语选修七第二单元课件

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1、Unit2 robot第一部分 语法1. 被动语态复习（一个不变，三个变）主动 时态不变 He teaches English. 主语变宾语 主动变被动 English is taught 宾语变主语 by him. 被动2. 不定式的被动（1）不定式的被动形式 等式相加：一般式 to be done to do + be done to be done 完成式to have been done（表示不定式动作发生在谓语动词之前）Eg.The book is said to have been translated into several languages. to do have done

2、 be done to have been done2. 动词不定式的被动语态在句子中的作用 1) 做主语（常用it做形式主语） To be offered sympathy by a robot is ridiculous. 2) 做表语 The party is to be held next Saturday evening. 3) 做宾语 She didnt like to be treated as a child. 4) 做宾语补足语 Tony expected the house to be completely transformed. 5）做定语The English are

3、 proud of the Olympic Games to be held in London.6）做状语All these gifts must be mailed immediately so as to be received in time for Christmas.翻译练习1. 据说这会议已经被取消了The meeting is said to have been canceled.2.这个学生似乎已经对政治失去了兴趣。 The student seems to have lost interest in politics.3.残疾人不喜欢被别人嘲笑。 The disabled

4、dont like to be laughed at.4.没有可以可以浪费的时间了。 There is no time to waste/ be wasted5.能被邀请进这个英语俱乐部，是一大荣幸 It is a great honor to be invited to the English Club第二部分 课文解析1.Reading Comprehension True or False1.Larry was going to be away from home so he hired a robot to accompany his wife.2. Claire didnt like

5、 the idea at the beginning, but she agreed to it at last.3. Tony could understand Claire when she said she was not clever.4. When Tony offered to help dressing, Claire was pleased to accept it.5. It was Claire that first decided to invite Gladys and her friends to her house.6. Claires guests were fi

6、lled with admiration when they saw her house was completely changed.7. The company was satisfied with Tonys report because he had successfully made a woman fall in love with him. 2.Language Points Of Reading（1）test out 试验；考验Scientists test out theories by experiment.科学家靠实验检验理论。test vt. 测验；检验；试验；检查Th

7、e teacher tested the children on their homework. 老师就孩子们的家庭作业进行检查。2. alarm n.(1) a warning of danger 警报 a fire alarmI raised the alarm as soon as I saw what was happening.(2) fear caused by the expectation of danger 恐慌I hope you wont take alarm at the news.alarm v.(1) giving a warning 警告The notice bo

8、ard alarms people not to swim in the river.(2) feel feared or cause anxiety 恐慌The news that H5N1 has spread alarmed the nation.alarmed adj. 惊恐的, 忧虑的 alarming adj. 惊人的, 吓人的The news is really alarming.3. accompany v.(1) to go/stay withId like you to accompany me to the supermarket.What accompanies him

9、 is always a dog.(2) to exist at the same time和一起发生Lightning usually accompanies thunder.4. declare vt.(1) 宣布；宣告；声明 + (that) to make known formally or officiallyThe new Congress declared a state of war with Germany. 新的国会向德国宣战了。(2) 宣称；断言 + (that)The accused man declared himself innocent. 被告声称他是无罪的。I

10、declared at the meeting that I did not support him.我在会上声明我不支持他。(3) 申报 (纳税品等)I have nothing to declare. 我没什么要申报的。辨析: declare与announcedeclare 宣告, 宣布a way of expressing oneselfI would like to declare my love for you.announce 宣布 to tell a lot of peopleIf I have a birthday party, I want to announce it to

11、 my friends.5. leave / let alone / be 不管/不打扰/不理会Ive told you to leave my things alone.Please dont leave me alone in the dark room.Let me be, I want a rest.leave + 宾语 + 补足语 使处于状态Leave the door open.6. As she turned around, there stood Gladys Claffern. 当她转过身时，看到格拉迪斯克拉芬站在那儿。句中as意为“当时”，为从属连词,引导时间状语从句。通常

12、强调“ 同一时间” 或“一先一后”，如：As I was going out, it began to rain.主句“there stood Gladys Claffern”是由副词there引导的倒装句。【拓展】as有时还有“随着”的意思，如：As spring warms the good earth, all flowers begin to bloom.由副词there和here引导的倒装句通常不用于人称代词即不说“Here comes he!”而须说“Here he comes!” 但在对比情况下，人称代词则与连系动词be构成倒装句，如：There was he, on the p

13、layground, while I had to study.2. The guests would be arriving soon and Claire told Tony to go into another room.客人很快就要来了，克莱尔叫托尼去另一个间房。句中用到过去将来进行时，由“would +be + 动词的现在分词”构成，表示在过去看来将来某一时间正在发生的动作。它常和表示过去将来的时间状语连用，但上下文清楚时，时间状语可省略。和将来进行时一样，它也常表计划中的事，不表意愿或打算。它还有一个特点，即常用在宾语从句 (尤其是间接引语)中。例如：a. Mr. Smith never realized that some day he would be living in China.b. Mary told us that Jack would be coming next Saturday.【拓展】过去将来进行时有时也可用于其他从句中，如：I would pay the rest as I would be leaving Beijing. (用在状语从句中。)也可用在独立句中。如：The car started. Ellen Green would be driving off to the college.