初中牛津译林版Unit 4 Life on MarsReading教学演示课件ppt

这是一份初中牛津译林版Unit 4 Life on MarsReading教学演示课件ppt，共32页。PPT课件主要包含了Mars等内容，欢迎下载使用。

planet n. 行星crwded adj. 拥挤的plluted adj. 被污染的rapid adj. 快的, 迅速的increase n. 增加 passenger n. 乘客uncmfrtable adj. 使人不舒服的xygen n. 氧气
New wrds & Expressins
mre and mre
pllute v.pllutin n.
tasty adj. 味道好的 specially adv. 专门地，特地flat vi. 漂浮；飘浮cmpare vt. & vi. 比较interplanetary adj. 行星间的netwrk n. 网络challenging adj. 挑战性的rapidly adv. 快地，迅速地
cmpare A with/t BCmpared with/t...,+句子
take n new challenges
(all) ver again 再；重新at a/the speed f 以……的速度in the frm f 以……的形式cmpare t/with 与……相比
B1Daniel needs t check the meanings f sme wrds in the article. Help him match the wrds n the left with the meanings n the right. Write the crrect letters in the blanks.
fr ne purpsea secnd time frm the beginningdecide in what way things are similar r differenthaving a nice taste n.full f peplehappening in a shrt perid f the timea persn wh rides in a car, bus, train, etc. but des nt drive itthe ttal number f peple in an area, a cuntry, etc.
all ver again
Daniel wants t find ut mre abut life in space in the future. He has fund the article by a famus scientist wh thinks humans culd live n Mars by the next century.
Mving t Mars
It may be difficult t imagine when peple will live n the planet Mars.
The lwest temperature will be -133℃ (degrees \centigrade) and the highest will be 27 ℃.
Daniel is lking fr mre infrmatin n the Internet. Here are keywrds he used and the links he gt frm the search engine. Help him match the keywrds with the links. Write the crrect letters in the blanks.
crwded planet
spacecraft
space huses
nline teacher
a Need smene t teach yu any time, any place?b Living in a space huse is fun…c All abut the newest spacecraft that travel in space…d Out shes can make yu walk faster!e Rbts culd be f great help t peple n Mars..f The ppulatin n the Earth is still increasing rapidly…
All abut the newest spacecraft that travel in space…
The ppulatin n Earth is still increasing rapidly
Our shes can make yu walk faster!
Living in a rund huse is fun …
Rbts culd be f great help t peple n Mars…
Need smene t teach yu any time, at any place?
Daniel is telling Simn abut the article. Simn is very interested and is asking many questins. Help Daniel answer Simn’s questins. Circle the crrect letters.
1 Why wuld peple mve t Mars? a The Earth is crwded and plluted. b Peple want t make friends with thse frm anther planet. c Flying t Mars wuld be fun.
2 Hw lng des it take t fly t Mars at present? a Hurs. b Mnths. c Years.3 What wuld the flight t Mars be like by the year 2100? a Fast and cmfrtable. b Fast but uncmfrtable. c Slw but cmfrtable.
4 What wuld fd n Mars be like? a Very tasty. b Very sweet. c Nt very tasty.5 Wuld gravity be a prblem n Mars? a N, it’s nt a prblem. b Yes. Many peple wuld get lst. c Yes, and peple wuld wear special bts.
6 Where might peple live n Mars? a In huses with huge rms. b On spacecraft. c In sleeping bags.7 What wuld schls be like n Mars? a Very small. b Online schls. c Like thse n the Earth.
What des the writer think f life n Mars? a Better than life n the Earth. b Wrse than life n the Earth. c There wuld be gd and bad pints.
Daniel is making a list f the differences between life n the Earth tday and life n Mars in 2100. Help him cmplete his list. Use the infrmatin frm the article.
There wuld nt be enugh water r xygen.
Fd wuld mst prbably be in the frm f pills and wuld nt be s tasty.
Life n the Earth tday
Life n Mars in 2100
At the speed f light.
Peple might live in huses with huge cmfrtable rms.
The gravity is nly three-eighths f that n the Earth.
Peple culd have mre time t relax.
At nline schls with “e-teachers”.
Language pints
仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而
1、mre and mre crwded 越来越拥挤 在英语中，常用“(单音节)形容词或副词的比较级＋and＋(单音节)形容词或副词的比较级”或“mre and mre＋(多音节)形容词或副词的原级”表示“____________”。Because f the Internet, the wrld is becming smaller and smaller. “less and less＋不可数名词”和“fewer and fewer＋复数可数名词”意为“越来越少的……”；“mre and mre＋复数可数名词或不可数名词” 意为“越来越多的……”。“the＋形容词或副词的比较级＋陈述句， the＋形容词或副词的比较级＋陈述句”，意为“越……，越……”Generally speaking, the mre yu pay, the mre yu get. 一般来说，花钱多，买的东西就多。
2、large numbers f 许多的，大量的 large numbers f意为“许多的，大量的”，修饰复数可数名词。a number f意为“一些；许多的；若干的”，相当于many，后接可数名词复数。做主语时，谓语动词用复数形式，number前面可以用large或small等词修饰，表示程度。the number f意为“……的数量”，后面接可数名词复数。作主语时，谓语动词用第三人称单数。A number f parents have viced cncern abut their children's safety. 一些家长对他们子女的安全表示了担心。The number f cmpanies ffering them wrk increased. 给他们提供工作的公司的数量增多了。
3、with the develpment f 随着……的发展 with 短语常在句中作状语，表示一种伴随情况或条件。With the rapid increase f ppulatin, the Earth is becming mre and mre crwded.with的其他用法：(1)表示“和……一起”。 I will g t the cinema with my friends tnight. (2)表示“用(某种工具)”。He pened the dr with his key.他用钥匙开了门。(3)表示“有”。I sat dwn n ne f thse mdern chairs with hles in it and waited.(4)复合结构“with＋宾语＋宾语补足语”在句中用作状语，表示伴随，其中的宾语补足语可以是名词、形容词、副词或介词短语等。 He ften sleeps with the windws pen. He was lying n the bed with all his clthes n. 他穿着衣服躺在床上。
4、might mdal v．可能，或许 might 是情态动词，意为“可能，或许”，表示可能性较小的推测。 must, may, might与can表示推测的用法：(1)must表示可能性最大的推测，意为“一定”，通常只用于肯定句。She didn't cme t schl. She must be ill.(2)may 表示可能性较小的推测，意为“可能”，通常用于肯定句或否定句。 It may rain tmrrw. 明天可能下雨。He may nt cme tnight. 今晚他可能不来。
(3)might表示可能性最小的推测，意为“可能”， 通常用于肯定句或否定句。He might arrive n time. I knw Kate desn't like the jb, but I might nt find it t bad. (4)can表推测时通常用于否定句或疑问句，can't 意为“不可能，一定不”。Can the news be true?
5、in the frm f 以……的形式 含有in的常用短语：in all directins四面八方；各个方向　in danger处于危险中　in fact实际上，事实上 in frnt f在……前面 in general总的来说；大体上 in hspital住院 in place在适当位置；准备妥当 in public公开地；在别人面前in the lead处于领先地位 in the end最后，终于in fear恐惧地 in surprise惊讶地in need 在困难时，在危难之中 in truble处于困境in prisn在监狱(服刑) in rder有序，整齐 in a hurry 匆忙地 in all 总计；一共 in this way以这种方式 in rder t d sth 为了做某事 in ne's twenties在某人二十多岁时 in ne's life 在某人的一生中 in the 20th century 在20世纪in spring/summer/autumn/winter 在春天/夏天/秋天/冬天
6、three­eighths num. 八分之三 three­eighths意为“八分之三”。 英语中分数的表达法： 分子用_____，分母用______；分子大于1时，分母变为_____形式；分子与分母之间可加连字符，也可不加。分数后面常跟f 短语，作主语时，谓语动词的单复数和f 后面名词的单复数保持一致。 Three­furths f the land is cvered by frests in that cuntry. 7、in sme ways 在某些方面；在某种程度上 含有way的常用短语：by the way 顺便提一下；顺便问一下find ne's/the way (t) 找到……的路 lse ne's way 迷路 n the/ne's way (t) 在去……的路上in n way 一点儿也不，决不 in the way 挡道；妨碍别人