新人教版八年级上册英语 Unit 7 第4课时 Section B 2a-2e 教学课件

1、八年级上册新人教版初中英语课件第四课时Section B 2a-2e17Will people have robots?情景导入In some science fiction movies，we often see many robots. Can you tell us what they look like and what they can do？Can you also tell us something else about the robots?探究新知New wordsevenhumanalreadydangerousfactoryfall甚至；连；愈加adj. 人的 n. 人

2、已经；早已有危险的；不安全的工厂倒塌；跌倒；掉落 n.（美式）秋天探究新知fall downdisagreebelieveshape hundreds of possible突然倒下；跌倒；倒塌 不同意 ；持不同意见；有分歧相信；认为有可能形状；外形许多；大量= lots of可能存在或发生的；可能的探究新知What do they look like?They look like humans.探究新知It looks like a dog. What does it look like?探究新知It can do housework.探究新知It can be a doctor.探究新知I

3、t can do many hard or dangerous work.探究新知Some animals are in great danger. 一些动物处于极大的危险中。Lions are dangerous animals. 狮子是危险的动物。5. dangerous adj. 有危险的；不安全的名词danger +后缀ous dangerous探究新知6. possible adj. 可能的；可能存在或发生(前缀) im + possible impossible 不可能的Do you think its possible to beat them? 你认为战胜他们有可能吗?To c

4、ross this river seems impossible. 穿过这条河中似乎不可能。探究新知7. There be+sb./sth. doing sth.有某人/某物正在做某事There are many children playing outside.有许多孩子在外面玩。探究新知8. But many scientists disagree with Mr. White.但很多科学家不赞同怀特先生的观点。They disagreed with each other about the time and place of the a ident. 他们在对事故发生的时间和地点彼此有分

5、歧。disagree with 不同意；不一 致；不适合I strongly disagree with his views.我强烈反对他的见解。探究新知2aTell your partner what you know about robots. What do they look like and what can they do?探究新知2bRead the article and match each paragraph with the question it discuss.Paragraph 1Paragraph 2Paragraph 3Paragraph 4Will robot

6、s think like humans in the future?What will robots be like in the future?What can robots do today?What are robots like in movies?探究新知Do You Think You Will Have Your Own Robot?When we watch movies about the future, we sometimes see robots. They are usually like human servants. They help with the hous

7、ework and do jobs like working in dirty or dangerous places.2.Today there are already robots working in factories. Some can help to build cars, and they do simple jobs over and over again. Fewer people will do such jobs in the future because they are boring, but robots will never get bored.探究新知3.Sci

8、entists are now trying to make robots look like humans and do the same things as we do. Some robots in Japan can walk and dance. They are fun to watch. However, some scientists believe that although we can make robots move like people, it will be difficult to make them really think like a human. For

9、 example, scientist James White thinks that robots will never be able to wake up and know where they are. But many scientists disagree with Mr. White. They think that robots will even be able to talk like humans in 25 to 50 years.探究新知4.Some scientists believe that there will be more robots in the fu

10、ture. However, they agree it may take hundreds of years. These new robots will have many different shapes. Some will look like humans, and others might look like animals. In India, for example, scientists made robots thatlook like snakes. If buildings fall down with people inside, these snake robots

11、 can help look for people under the buildings. This was not possible 20 years ago, but puters and rockets also seemed impossible 100 years ago. We never know what will happen in the future!探究新知1.突然倒下，跌倒，倒塌2.帮忙做家务3.花费好几百年的时间4.看起来像5.让机器人走路或跳舞6.和人一样做相同的事science fictionhelp with the houseworktake hundre

12、ds of yearslook likemake robots walk and dancedo the same things as a person相关短语探究新知7.例如8.与人交谈9.做简单的工作10.一遍又一遍11.变得烦躁12.寻找13.看起来有可能的for exampletalk to peopledo simple jobsover and over againget boredlook for seem possible探究新知1. What do the robots look like in the movies?2. What can the robots do for

13、 people?Human servants.They help with the housework and do jobs like working in dirty or dangerous places.Answer the questions.探究新知3. Where are the robots already working?4. What kinds of the jobs do the robots do? Why?In factories.They do simple boring jobs over and over again. Because they will ne

14、ver get bored.探究新知2cRead the article again quickly. plete the sentences about what robots can do now.1. Robots can build _ in factories.2. They can do _ jobs many times and never get bored.3. Some can _ and _.4. Some can help _ people under _.carssimplewalk dance look forbuildings探究新知2dFill in the b

15、lanks in this paragraph with words from the article.Some robots are very human-like. They can walk and _ like people. Some scientists think that in the future they will _ robots more like humans. This may not _ in the near future, but at some point, robots will even be able to _ like people. dancema

16、kehappentalk探究新知However, some scientists _. James White believes that robots wont be able to do the _ things as us. For example, he thinks that robots will _ be able to wake up and know where they are. Which side do you _ with?disagreesameneveragree探究新知2eWhat kinds of animals might robots look like

17、in the future? What do you think these robots will be able to do? Write your ideas and discuss them with your partner.探究新知I think some future robots might look like _. They will _butterfliesbe able to sing and dance.When I am sad, they can try their best to make me happy. And when I want to go shopp

18、ing, they can take me to the mall,(购物广场) so that I will never stand the crowded street. In my life, it gives me a lot of help.探究新知Language points1. help sb. with sth. 在 方面帮助某人 help sb. (to) do sth. 帮助某人做 He often helps me with my English. = He often helps me study English. 他经常帮助我学习英语。 探究新知2. It take

19、s / took / will take sb. some time to do sth. 某人花了时间做某事(时态根据具体情况决定）It takes me an hour to get to my office. 到达办公室花了我一个小时的时间。It took me quite a long time to understand.我花了很长时间才弄懂。探究新知There are four hundred students in our grade. 我们年级有400名学生。【拓展】与 hundred 有相同用法的词还有：thousand（千），million（百万）等。3. hundreds

20、 of 许多；大量hundred 数词，“百”，用于a、one或含有数量意义的词之后，其后接可数名词的复数形式。探究新知当这类数词前面有具体的数字时, 数词不能用复数形式。当数词前没有具体数字时, 数词用复数形式, 后面接短语, 再加可数名词的复数形式。 We have more than five hundred this kind of books. 我们有500多本这种书。three hundred 三百 five thousand 五千a few hundred 几百探究新知相同点: 两者都表示能力不同点: can只有现在式和过去式。be able to可用于现在时、过去时和将来时，但

21、它没有进行时。4. Scientist James White thinks that robots will never be able to wake up.（1） Be able to “能够.”辨析can 与 be able to探究新知表示经过努力而成功的某一次动作，只能用be able to.试做以下试题:He _ drive a car.He _ climb over the mountain before.canwas able to探究新知这是动词副词结构。如果宾语是人称代词的宾格要放到中间；如果宾语是名词既可以放到中间也可以放到末尾。（2）wake up醒来，叫醒He wa

22、kes up at 6:00 every morning.他每天早上6点钟醒来。His mother wakes him up at 6:00 every morning.他妈妈每天早晨6点钟把他叫醒。探究新知5.They help with the housework and do jobs like working in dirty or dangerous places. 它们帮忙做家务活，并在肮脏或危险的地方工作。help with sth.意为“帮助做某事”，相当于help(to) do sth. 介词with后面接名词或代词。He often helps me with my le

23、ssons. 他经常帮我学习功课。探究新知help sb. with sth.=help sb.(to) do sth. 帮助某人做某事Would you like to help me(to)do the dishes? 你愿意帮我洗碗吗？My English teacher always helps me with my pronunciation. 我的英语老师经常帮助我的发音。探究新知6.Some can help to build cars, and they do simple jobs over and over again. 有些可以帮助制造小汽车，并且它们反复地干着简单的工作。simple是形容词，意为“简单的；简易的”。近义词是easy，反义词是hard/difficult。over and over again意为“反复地；多次地；一遍又一遍地”。We will consider the problem over and over again.这个问题我们还要反复地斟酌。探究新知7.Scientists are now trying to make robots look like humans and do the same things as we do. 现在科学家 正在尽力制造一些看上去像人类，并能像