人教版（2024）Unit 5 Power of IdeasSection B1a-1f教案配套ppt课件

这是一份人教版（2024）Unit 5 Power of IdeasSection B1a-1f教案配套ppt课件，共27页。
1. 掌握并正确运用词汇：reality, respnsible, respnsible fr sth., rapid, shape, brnze, ware, stne, jute, fibre, expensive, fficer, wrkshp, nne, ideal, bark, certain, suitable, liquid, cheap, creatin, later n, speed up, result in, lead t, birth, rapidly, affrd, cmpany, sticky, prductin, gradually, widely2. 能介绍某样发明的历史、制作过程和带来的影响：① In the first step ... Then ... Next ... Finally ... ② ... nt nly ... but als ... ③ It led t ... This resulted in ...
Learning Gals
What material are these things made f? Find mre things that are made f this material.
All these things are made f paper.Mre things made f paper: newspapers, ntebks, calendars, paper kites, etc.
Read the text and match each paragraph with its tpic.
An Inventin That Changed the WrldCan yu imagine a wrld withut bks, newspapers, r magazines? All f these things depend n ne inventin—papermaking. It, mre than any ther inventin, was respnsible fr the rapid spread f infrmatin that shaped ur mdern wrld.In ancient China, many different materials were used t write n, such as animal bnes, brnze ware, stnes, wd, bamb, and even silk. In the Western Han Dynasty, there was als a very early frm f paper made frm jute—a fibre that cmes frm plants. Hwever, all f these materials were either difficult t use and stre, r very expensive.
be used t d sth. 被用来做某事
As the head fficer f the palace wrkshp fr the emperr in the Eastern Han Dynasty, Cai Lun became interested in trying t slve the prblem. Different the methds fr creating smething t write n were tried, but nne were ideal. In his time, sme kinds f bark—the uter part f trees—were used t make clthes. Frm past experiences, Cai Lun gt the idea that bark, certain plants, and ld clthes culd be used t make a special material suitable t write n.
becme interested in ding sth. 变得对做某事感兴趣
the methd fr ding sth. 做某事的方法
In the first step f Cai Lun’s experiment, all the ingredients were mixed and biled in water. Then, this material was beaten, cut up, and mixed with water again. Next, the liquid was pured ver a bamb screen, leaving just the fibre. Finally, this fibre was dried and pressed t frm paper. T everyne’s surprise, this paper was sft, light, easy t make and use, and mst imprtantly, cheap. In 105 CE, Cai Lun shwed his creatin t the emperr. The emperr was very pleased and praised Cai Lun fr his great wrk.
t ne’s surprise 令某人吃惊的是
praise sb. fr sth. 因某事称赞某人
Later n, the papermaking technique nt nly speeded up the develpment f Chinese culture, but als changed civilizatins arund the wrld. It first spread t China’s neighburing cuntries and finally reached Eurpe thrugh Arab cuntries in the 12th century. When the use f paper and printing came tgether in later centuries, it led t a rapid increase in the number f bks. This resulted in a new birth f knwledge, creating the wrld we have tday.
Paragraph 1 A. Early materials t write nParagraph 2 B. Cai Lun’s experimentParagraph 3 C. Intrductin t the tpicParagraph 4 D. Hw paper changed the wrldParagraph 5 E. Cai Lun’s creative idea
Find ut what these prnuns frm the text refer t.
It in Paragraph 1: ______________________________________It in Paragraph 5: ______________________________________it in Paragraph 5: ______________________________________This in Paragraph 5: ____________________________________
papermaking
the papermaking technique
the use f paper and printing (cming tgether)
the rapid inerease in the number f bks
Read again and cmplete the table.
difficult t use and stre; very expensive
animal bnes; brnze ware; stnes; wd; bamb; silk; jute; etc.
sft; light; easy t make and use; cheap
bark, certain plants, ld clthes
Put the sentences in rder. Then retell the prcess f making paper in yur wn wrds.
____ A. The material was beaten, cut up, and mixed with water.____ B. All the ingredients were mixed and biled in water.____ C. The fibre was dried and pressed t frm paper.____ D. The liquid was pured ver a bamb screen, leaving just the fibre.
Discuss the questins.
1. What ther ancient Chinese inventins d yu knw? Hw was the wrld changed by them?
I knw tw ther ancient Chinese inventins—printing and the cmpass. Printing made bk prductin easier and cheaper, helping knwledge spread faster. The cmpass helped sailrs find their way easily when they sailed n the sea, which made lng-distance sea travels pssible.
2. What qualities d yu think a great inventr has?
I think a great inventr is creative, hard-wrking and persistent.
Cmplete the table with different frms f the wrds. Yu can add mre.
Chse the crrect wrd t cmplete each sentence.
1. The use f mdern medicine has helped cntrl/spread many dangerus diseases.2. News culd travel much mre rapidly/slwly with inventins like the radi and the televisin.3. Fibre made frm il prvides a(n) cheap/expensive slutin t the prblem that many peple cannt affrd t buy enugh clthes.4. A film was invented/prduced by a film cmpany t tell us abut what rbts culd d fr peple’s lives in the future.5. In January 1911, Feng Ru carried ut a secret/public test flight in Oakland City. He shwed the wrld what Chinese peple culd achieve.
Cmplete the passage with the crrect frms f the phrases in the bx. Then discuss hw an inventin like sticky ntes is turned int reality.
Did yu knw that an accident led t the inventin f sticky ntes? In 1968, a scientist named Spencer Silver was trying t make a strng glue. ____________, he prduced a glue that was really weak. It culd stick things, but it culd be remved very easily. The glue was interesting, but n ne culd find a use fr it.
T his surprise
Then, in 1974, a man named Arthur Fry was trying t mark the pages in a sngbk using small ________ paper. Hwever, whenever he ________ t sing, the pieces fell t the flr. Then he remembered Silver’s glue. With the glue, the paper stayed in the sngbk, but it culd later be remved. Fry’s idea ________ the prductin f sticky ntes f many sizes and clurs. They gradually became ppular and nw are widely used all ver the wrld.
resulted in
Language pints
respnsible /rɪˈspɒnsəbl/ adj. 作为原因的；有责任的
respnsible fr sth. 引起某事
be respnsible fr (ding) sth. 对（做）某事负责任
① v. 塑造；影响……的发展
shape /ʃeɪp/ v. 塑造 n. 形状
in shape 在形状上in the shape f 呈……形状ut f shape 变形的，走样的
或者……或者……；要么……要么……
表示从两者中任选其一，用于连接两个并列成分。当连接两个名词或代词作主语时，谓语动词应与离其最近的主语在人称和数上保持一致，即遵循“就近原则”。
nne /nʌn/ prn. 没有一个；毫无
certain /ˈsɜːtn/ adj. 某些；确定的prn.（不提及人或事物的名称时用）某些
① [形容词]&[代词] 某些
certain f... ……中的一些/若干
② [形容词] 确定的
be certain f/abut... 对……确信无疑be certain t d sth. 确定会做某事fr certain 肯定；确定；无疑be certain + (that)从句 确定……
suitable /ˈsuːtəbl/ adj. 合适的；适宜的
由“suit (v. 适合) + -able (形容词后缀)”构成。
be suitable fr 适合……be suitable t d sth. 适合做某事
nt (als)... 不仅……而且……
① 用于连接两个并列成分。
② 连接两个并列成分作主语时，谓语动词要与其靠近的主语在人称和数上保持一致，即遵循“就近原则”。
③ 连接两个并列分句且nt nly位于句首时，nt nly后的分句要使用部分倒装语序。
affrd /əˈfɔːd/ v. 买得起；能做
通常与can、culd或be able t连用。
affrd t d sth. 负担得起做某事