课件20张PPT。Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space. Section D Grammar 概念：
1.在句子中修饰名词或代词，定语从句在句
中充当定语。
2.定语从句必须有先行词，并尽量靠近先行
词。
3.在定语从句中，关系词在从句中充当成
分。
关系代词
指人: who(主格，宾格)
指物: which(主格，宾格)
指人或物: that Review1.I know the boy. He can speak English well.
I know the boy who/that can speak English well.
2.Mary bought a little bird. It was very pretty.
Mary bought a little bird that/which was very
pretty.
3.The season is summer. It comes after spring.
The season is summer which/that comes after
spring.
4.I know the boy. You are looking for him.
I know the boy who/that you are looking for.ExerciseChange the following sentences into attributive clause.Functions Fill in the blanks.1. It ______(prove) that China has made great progress in its space industry.
2. They spent 2.5 hours __________ (explore) and collecting soil and rocks to take back to earth.
3. I advise you to discover new ways to make computers _______(serve) us better.
4. The whole world is ________(connect) by the Internet.
5. Spaceships which now ________(main) use electronic controls used to be controlled by astronauts. provesexploringserveconnectedmainlyExerciseTalk about the advantages of the computer.Talk about the disadvantages of the computer.Do you like robots? Why or why not?
If you had a robot, what would you like it to do for you?1b Find the words in the passage according to the following meanings. The first letter is given to help you. 1. to tell somebody about danger or
about something bad that may happen
2. to make something happen or appear
3. a person who is paid to do housework
for a family
4. sure and confident, without any doubts
5. used to say that something may be
true, but you are not sure1.w________2.c_________3.s________
4.c_________5.p_________arnauseervantertainerhaps1. No one knows for certain, but most people think that robots will be part of our lives.没有人清楚，但是大部分人都认为机器人会成为我们生活的一部分。
certain adj.
1.[只作表语]确凿的，无疑的，可靠的
2.[只作表语，后跟动词不定式或 of, that]一定的，必然的，有把握的，确信的；一定会来到或发生的
3.[只作定语]某，某一(些)；相当的，一定程度的；一些，有点儿，某种
4.习惯用语 be certain of 确信，深信 be certain to 必然；一定 be not certain whether... 不能确定是否...... for certain 肯定地，确凿地 make certain (of, that) 把......弄清楚，把......弄确凿， 保证 Language points 2.In a few years, perhaps robots will think on their own, just as people use their brains and act for themselves.多年以后，也许机器人会有自己的思想，就像人们使用自己的大脑和自己行动一样。
on one’s own 独自，单独
3.One scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters.曾有科学家警告，如果机器人开始自我思考，他们将不再愿意成为我们的仆人，而是想成为我们的主人。
warn sb. (not) to do sth.警告某人（不要）干某事 warn sb. about sth.提醒、警告某人注意某事 warn sb. against (doing) sth.警告某人某事 Language pointsv.警告Key Words for certain–be part of–be friendly
–so far–cause–all the time –
be surprised at–on one’s own –
think for oneself–warn–
no longer–treat …as
–between…and Retell it 1c Read 1a again and discuss the questions with your partner. 1.Do you think robots will be part of
our lives in the future? Why?
2.Robots are considered to be our
servants, aren’t they?
3.Do you think robots can think or act
for themselves?
4.Why does the title have a question
mark ? No one knows for ________ what our future will be like, but most people think that robots will be part of our _____.
So far, robots haven’t _______ us any problems. They work for us like _______ all the time. They help us do __________ and difficult work.
People are ________ at the rapid development of robots. In a few years, perhaps robots will think on _______ own, just as people use their brains and act for themselves. However, once robots can think for themselves, problems may appear. One scientist _____ that if robots start to think for themselves, they will no _______want to be our servants, but our masters. They _______ treat us as we now treat our pets. Exerciseslong, they, surprise, cause, certainly, live, servant, danger, warn, maycertainlivescausedservantsdangeroussurprisedtheirwarnslongermightFill in the blanks.There’s _____ _____(无疑地) that China has made great progress in its space industry.
________(微型的) novels are very popular with children.
The flight was________(取消)because there’ll be a heavy fog above the airport.
Spaceships can travel to other planets.
________(除……以外), humans have built space stations.
5. No one knows _______ _______(确切地), but most people think that robots will be part of our lives.
6. Perhaps robots will think ______ _____ _____(独自，单独)in a few years. no doubtTinycanceledBesidesfor certainon their own ExercisesMaking a Wall Newspaper About Computer Information
1. Collect the following information from books, newspapers, the Internet and so on.
the parts of the computer
the kinds of computers
the development of the computer
2.Discuss the uses of computers in daily life and technology in groups.
3.Design a wall newspaper about the computer.
ProjectSummaryWe learn: 1. Some words: certain, warn, might,
housework
2.Some phrases: for certain, on one’s own
3.Some sentences:
(1)No one knows for certain, but most
people think that robots will be part of our
lives.
(2)In a few years, perhaps robots will think
on their own.
We can: 1.Summarize the usage of Attributive Clause.
2.Learn about some knowledge of robots.
Read 1a.
Memorize the useful expressions and key sentences which we learned in this topic.
Finish Section D in your workbook.
AssignmentThank you 课件内容介绍和使用说明
本课件是为仁爱英语九年级上册Unit 4 Topic 3 Section D编写的教学课件，这是第四单元第三话题的第四课时。本课的重点是培养学生的阅读能力，让学生了解更多的关于机器人的知识，激发学生对科学的兴趣，并对本话题的所有知识进行归纳和总结。课件在设计上注重对学生综合语言运用能力的训练，设计了形式多样的练习题，内容覆盖面广。为更好更有效地实现本课教学目标，本课件从学生实际出发，对教材进行了必要的整合，教学设计直观生动。基于本节课主要活动是单元复习和1a，因此对教学设计作如下安排：
Getting students ready for learning:
复习定语从句。学生分组，比赛看哪组记住了最多的定语从句的知识，教师汇总，核对学生答案。完成Grammar。(幻灯片2、3、4 )
总结复习本话题的功能句。完成Functions。(幻灯片5、6)
复习上节课的语言知识，呈现一组图片，让学生讨论有关电脑的好处与坏处。(幻灯片7、8 )
Pre-reading:
呈现一组机器人的图片，提出问题，让学生进行讨论。引入1a的学习。(幻灯片9 )
While-reading:
阅读1a，完成1b。(幻灯片10)
阅读文章，找出重点单词、短语及句子，并进行讲解。(幻灯片11、12 )
Post-reading:
听1a录音，注意模仿语音语调。然后画出主要的词及词组，复述课文。(幻灯片13 )
再次阅读1a，小组讨论完成1c。(幻灯片14 )
Practice:
① 完成对阅读文章信息转换的练习。(幻灯片15 )
② 巩固练习。(幻灯片16)
③ 完成project。(幻灯片17)
Assigning homework:
①总结本堂课的新单词、短语和语法项目，让学生能把握整堂课的重点。(幻灯片18)
②设计了书面显性作业及课文朗读、对话练习和预习新课等隐性作业。(幻灯片19)
