外研版 (2019)必修 第三册Unit 3 The world of science教学ppt课件

这是一份外研版 (2019)必修 第三册Unit 3 The world of science教学ppt课件，共28页。PPT课件主要包含了Gunpowder，Printing等内容，欢迎下载使用。

Unit 3The wrld f science
T knw sme inventins.T try t imagine sme inventins in the future.T speak ut the inventins yu think the mst useful and give the reasn(s).
When yu think f science, what will yu think f?
Sme great scientists
Great scientists wh have made great cntributins t ur cuntry.
Qian Xuesen
Yuan Lngping
Sme great scientific discveries r inventins.
The Fur Great Inventin in ancient China
Papermaking
the Cmpass
China’s New Fur Great Inventin
High-speed rail 高铁Bike sharing 共享单车Online shpping 网购Mbile payment 移动支付
Sme mst advanced science and technlgy
3D printing
Artificial Intelligence(人工智能)
Genetic Engineering (基因工程)
Virtual Reality (虚拟现实)
Space science and technlgy (空间技术)
Can yu image sme inventins that will be made in the future?
Flying carDriverless carTime machineMan-made rgan…
Read abut the inventins frm famus nvels and chse thse that have becme a reality.
Harry Ptter and the Philspher’s Stne
Harry threw the clak arund his shulders… Harry lked dwn at his feet, but they were gne.
invisibility clak
Let’s enjy a shrt vide abut it.
Presently I am ging t press (v. 按) the lever, and ff the machine will g. It will vanish, pass int future time, and disappear. The Time Machine
现在我要按一下操纵杆，机器就会开动，它会消失，进入未来的时间，然后消失。 《时间机器》
A faint blue light sht acrss it, darkening t purple, and presently she culd see the image f her sn, wh lived n the ther side f the earth, and he culd see her. The Machine Stps
它泛出一道微弱的蓝色的光，那光线暗成紫色。此刻她能看到她儿子的样子，他住在地球的另一边，他也能看到她。 《机器休止》
Infrmatin abut the writer:Jules Gabriel Verne was a French authr wh pineered the science fictin genre. He is best knwn fr his nvels Twenty Thusand Leagues Under the Sea (1870), A Jurney t the Center f the Earth (1864), and Arund the Wrld in Eighty Days (1873).  In his nvels, he made sme predictins that cme true afterwards.
Instead f being printed, the Earth chrnicle is every mrning spken t subscribers, wh, in interesting cnversatins with reprters, statesmen, and scientists, learn the news f the day.In the Year 2889
《地球纪事》不是印出来的，而会在每天早上与订阅者进行语言上的交流。在与记者、政治家和科学家们饶有风趣的交谈中，订阅者们可以了解当天的新闻。 《未世风云2889》
The third and furth inventins have becme a reality. Peple nwadays can have vide chats with each ther via mbile phnes and cmputers cnnected t the Internet. And many newspapers have ffered their readers free digital editins. Furthermre, live chat rms make it pssible fr peple t cmmunicate with reprters, statesmen and scientists.
Watch the vide and answer the questins.
1. Which f the inventins in the vide interests yu mst? Why? 2. Which f the inventins in the vide d yu think will becme a reality?3. Of all the inventins in the wrld, which d yu think is the mst useful? why?
… interests me mst, because it can …I think the … will becme a reality.
1. Presently I am ging t press the lever, and ff the machine will g.
eg the press 新闻界 lcal/natinal press 地方/全国性报纸 get a gd/bad press 受到新闻界好评/批评
…ff the machine will g. 这台机器即将离开。
表示方位或时间的副词或者介词短语（here, there, then, up, dwn, in, away, ut, ff, in the rm, n the wall 等）置于句首，且主语是名词时，需要用倒装。
注意：这里是两个条件，一个是表时间或方位的副词介词位于句首了，二是主语必须是名词，第二个条件很容易被忽略。
e.g. Lk, here cmes the bus. Oh, here it cmes.
sht ( sht, sht) v. t fire a gun r ther weapn; t fire sth frm a weapn 开（枪或其他武器）；射击；发射sht (sth) (at sb/sth)~ sth (frm sth)e.g. trps shting at the enemy  向敌人射击的部队 He sht an arrw frm his bw.  他张弓射了一箭。
2. A faint blue light sht acrss it, darkening t purple, and presently she culd see the image f her sn, wh lived n the ther side f the earth, and he culd see her.
wh引导非限制性定语从句修饰先行词her sn。
darken v. 变暗，变黑此处darkening t purple 在句中作状语。
【拓展】-en在这里是后缀，构成动词或形容词。如：blacken (使变黑)，wden (木制的)en-也可构成前缀，表示“使……”，可加在形容词前面构成动词。如：ensure, enrich等。
What changes d yu think have mdern science and technlgy brught t ur lives?What d yu cnsider the mst impressive events in the recent science and technlgy?