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- 11.2 Unit 4 Topic 2 Section B 九年级英语上学期 同步教学课件(仁爱版) 课件 25 次下载
初中Unit 4 Amazing ScienceTopic 1 When was it invented?教学ppt课件
展开[ɪn'venʃ(ə)n]
['breɪnstɔːm]
[ɪ'væljueɪt]
['diːteɪld]
[ˌriːdɪ'zaɪn]
[ɪˌmædʒɪ'neɪn]
['kiːbɔːrd]
Read the fllwing wrds alud and try t spell them
inventin 发明 n. list 列清单 v. 名单 n.crayn 彩色铅笔、蜡笔 n.thught 想法 n.silly 愚蠢的 adj.brainstrm 集思广益,动脑筋 v.evaluate 估价 v.redesign 重新设计 v.detailed 详细的 adj.imaginatin 想象力 n.balln 气球 n.gun 枪 n.rbt 机器人 n.keybard 键盘 n.
Read the fllwing new wrds
i________ n. the creatin f smething in the mind; the act f inventing c________ n. a rd(棒) f clred wax(蜡) used fr drawing t________ n. an idea that yu have in yur mind s________ adj.flishb________n. small thin inflatable(可充气的) rubber bag with narrw neckg________ n. a weapn(武器) frm which bullets(子弹) r ther things are firedr________ n. a machine that can mve autmatically(自动地)k________ n. the set f keys that yu press in rder t perate it
Cmplete the fllwing wrds accrding t their first letters and meanings.
List sme inventins that yu knw.
inventin n.发明,创造 invent v. 发明,创造 inventr n. 发明者,发明家
An inventin may be a new prduct r a new way f ding things.
Describe the inventins yu see as quickly as pssible!
Task 1.Try t get the main idea f the text.
The text is mainly abut____What is an inventinHw t make an inventinInventing is interesting
A. Draw yur inventin. B. Name yur inventin. C. Test yur inventin. D. Use yur imaginatin. E. Plan and design yur inventin.
Task 2. Read 1a and put the sentences in the crrect places .
___ Yu can have wild and crazy thughts. Remember that n idea is t silly. Many peple laughed at the Wright brthers and said they wuld never fly. But they weren’t discuraged by what peple said. That’s why nw we have planes.
_______ Careful planning is imprtant in the inventin prcess. This is the time t brainstrm fr ideas and t evaluate them. _______ Make a detailed drawing f yur inventin s thers will understand hw yur inventin wrks. Make a mdel f yur inventin. _______ See if yur inventin wrks as it is planned . If nt, d mre research, redesign it, and test it again. _______ Every inventin needs a name. Share yur inventins with thers.
Task 3.Read 1a again and fill in the blanks.
When yu want t have an inventin , first yu must use yur ________. Then yu shuld plan and design it. Careful planning is very _________ in the inventin. Third, yu shuld make a _______ drawing f yur inventin and make a mdel f it. If yu want t make yur inventin mre successful, yu must ______ it again and again. After that, yu _______ yur inventin. Last, remember that yu shuld _______ yur inventin with thers.
1. 出现2.以多种形式3.解决一个问题4.这些东西中没有一样5.是---的结果6.取笑某人7.给----做一个详细的规划8.与某人分享某物
in many ways
slve a prblem
nne f these things
be the result f---
laugh at sb.
make a detailed drawing f---
share sth. with sb.
Task 4. Read 1a and find the fllwing phrases.
(1).Nne f these things was planted in fields.(2).They were made in factries and invented by smene.(3).But they weren't discuraged by what peple said.(4).See if yur inventin wrks as it is planned.
这些东西中没有一样是在地里种出来的。
有人发明它们,并在工厂里把它们制造出来。
但是他们并没有因人们所说的话而丧失信心。
看看你的发明是否就像它被计划的那样起作用。
Task 5. Read 1a and utline the sentences including the passive vice.
1. cme abut出现,发生e.g. Hw did this dangerus situatin cme abut? 这样危险的局面是怎样出现的?2. slve a prblem解决一个问题。slve的宾语多为prblem, answer的宾语多为questin。
3. n ne和nne都表示否定,但用法有所不同,它们的区别是:a. n ne用来指人,含有nt even ne(连一个人也没有)之意,其后不能接f短语。用作主语时,谓语动词要用单数。e.g. N ne knew wh tk the bk by mistake. 没有人知道谁误拿了这本书。 N ne likes a persn with bad manners. 谁也不喜欢不讲礼貌的人。
—Wh is in yur classrm nw? 谁现在在教室里?—N ne. 没有人。
b. nne不仅指人也可指物,其后常接f短语,构成“nne f+名词/代词”结构。当名词是复数时,谓语动词单复数均可。e.g. Nne f the huses has/have a large garden in sme big cities. 在一些大城里,没有一幢房子带有大花园。 —Hw many peple are there in yur classrm nw? 现在你班里有多少人? —Nne. 没有人。
4. Inventing is interesting发明是有趣的。此处inventing是动名词作主语,动名词作主语。谓语动词用单数形式。5. in the inventin prcess 在发明过程中。
1. An inventin – cme abut –slve a prblem– the result f –crayns—nne f –be made in –interesting, exciting – inventr –a few simple steps 2.Use yur imaginatin– thught– silly – laugh at –be discuraged 3.Plan and design yur inventin– be imprtant t –brainstrm– evaluate 4.Draw yur inventin—make a detailed drawing 5. Make a mdel 6.Test yur inventin --d mre research 7. Name yur inventin 8. Share…with
Task 7. Try t retell it.
Task 8. Discuss with yur partner which f the fllwings are the tp 3 mst imprtant inventins and which is the least imprtant inventin. Then explain yur chice t the class.
Example: I think zer is the mst imprtant inventin. It is said that it was invented by an Indian. It is a very interesting number. Fr example, I have nly ten yuan. If yu add five zers after it fr me, haha, I will be a rich man.
Task 9. D yu knw hw t be an inventr? D yu want t invent smething? Write a passage abut yur inventin. The fllwing questins may help yu .
1. Hw d yu cme t the idea f yur inventin? 2. What des it lk like?3. What is it made f/frm?4. What’s it used fr?5. What are yu ging t name it?
Befre writing, think mre clearly and tell abut the lks, uses, advantages and disadvantages f an bject.
My inventin is a rbt. It is called “Superman”. There is a cmputer inside its bdy. It lks like a tiger. When yu see it fr the first time, yu may be frightened. In fact, it is gentle and plite. It can help us d husewrk, such as cleaning a rm, washing dishes, and making the bed. When the rm is dirty, it will begin t wrk at nce. It can als watch ver a huse instead f humans. It is careful, clever and hard-wrking. In shrt, this rbt is very useful t us, thugh it can’t run r speak.
Yu can write it like this:
1.Sme wrds: inventin, crayn, thught, silly, balln, gun, rbt, keybard2.Sme phrases: laugh at,cme cme ut, the result f …, nne f …3. Sme sentences: Inventing is interesting and exciting and everyne can be an inventr .
1. Talk abut the prcess f an inventin.2. Write a passage abut an inventin.
根据句意,用所给单词的适当形式填空。1.Fax machines were a wnderful ______(invent) at that time.2.I have bught many _____(crayn) fr my was killed by a _____ (gun) in the cars were built by _____ (rbt) in that children like blwing _____(balln).
1.Peple used the light bulbs widely in the past. (改为被动语态) The light bulbs ______ ______ _______ by peple in the past.2. We can launch spaceships t explre ther planets. (改为被动语态) Spaceships ______ ____ _________t explre ther planets. 3. Gre Verbiniski directed the mvie Pirates f the Caribean in America . (对划线部分提问) _______ ______ Gre Verbiniski ________ the mvie Pirates f the Caribbean? 4. The MP3 player was develped arund 1998. (对划线部分提问) ________ ________ the MP3 player _______________?
were widely used
can be launched
Where did
When was
Read 1a.Memrize the useful expressins and key sentences that we learn tday.Finish Sectin C in yur wrkbk.Preview Sectin D.
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