外研版 (2019)选择性必修 第二册Unit 6 Survival课前预习课件ppt

这是一份外研版 (2019)选择性必修 第二册Unit 6 Survival课前预习课件ppt，共30页。PPT课件主要包含了What，When，Mission，Meaning等内容，欢迎下载使用。
1. supplement /ˈsʌplɪment/ v.补充，增补，增加n.增补(物);补充(物);添加物;(报纸的)增刊2.eliminate /ɪˈlɪmɪneɪt/ v.消除，根除eliminatin n.消除，根除
3 firefighter /ˈfaɪəfaɪtə(r)/ n.消防队员fire + fighter “与火战斗的人”
4.bring…under cntrl 使……处于控制之下
5.blaze /bleɪz/ n.烈火，大火，火灾6.fierce /fɪəs/ adj.恶劣的，极端的； 猛烈的，激烈的；凶猛的
7.react /riˈækt/ v.（作出）反应reactin /riˈækʃn/ n.反应
Pre-reading
Lk at the picture and guess what it is.
What is this planet? Earth?
N, it is Mars.
Where is Mars? Hw much d yu knw abut Mars?
It may be difficult t imagine when peple will live n the planet Mars.
1) Mars is the _____ smallest planet in the slar system. a. secnd b. third c. furth2) The surface f Mars is cvered in _____. a. rcks b. water c. grass
3) The average recrded temperature n Mars is ______. a. 40 ℃ b. 2 ℃ c. -63 ℃4) One day n Mars is abut ______ lng. a. 18 hurs b. 24 hurs c. 37 hurs
Predict the main idea accrding t the title and the pictures.
Read the passage and find ut why humans might live n Mars.
Because Mars is relatively clse t Earth and has an envirnment less hstile than that f ther planets.
Wrk ut the main idea f each paragraph.
Scientists are thinking f ways t lwer this risk, such as replacing cal and il with frms f renewable energy.
But they are als preparing fr the wrst: what can we d if the terrifying scenes in films such as The Day After Tmrrw happen in real life?
Clues frm the passage
Have yu seen the film“The Day After Tmrrw” ?
The Day After Tmrrw is a 2004 American science-fictin disaster film. The film depicts the catastrphic effects f climate change, with extreme weather events leading t glbal cling and a new ice age.
the Mars Desert Research Statin(火星沙漠研究站）in the Utah desert f the US
Mars Village（火星村）in Nrth-west China's Qinghai Prvince
Fr ne thing, we have been sending unmanned spacecraft t Mars, with prbes sending back valuable data as well as stunning images and rbtsttesting the sil and searching fr resurces, water and signs f life.
Fr anther, space agencies f varius cuntries are planning manned missins t Mars.
the Bisphere 2 experiment 生物圈2号
Arizna desert
a better understanding
1.Clear plate campaign
2.N plastic(plastic bags, plastic straws)
3.Save water
4.N littering
5.Save electricity
1) What was the greatest fear in the 1960s and 1970s?A. Nuclear missiles. B. Envirnmental prblems.C. Explring space. D. Pllutin.2) What des Plan B mean in the passage?A. Replacing cal and il with frms f renewable energy n Earth.B. Explring ther planets, such as Mars, t live n.C. Educating the public t learn the knwledge f space.D. Using rbts t search fr new resurces.
Read the passage and chse the best answer.
3) Why Mars is the mst likely chice t live n fr humans? A. Because there is n pllutin. B. Because there is much renewable energy. C. Because it is relatively clse t Earth. D. Because there is n risk t live there.
4) Accrding t the passage, which f the fllwing is right?A. It nly takes three days t reach Mars.B. Human settlement f Mars is pssible.C. The first settlers have returned frm Mars safely.D. The Bisphere 2 experiment was nt a success.
1) Why d peple make Plan B?
Envirnmental prblems have taken ver as the greatest risk t life n Earth.
Answer the questins accrding t the passage.
2) Is it easy fr us t live n Mars?
It is nt easy because it wuld take mnths t reach Mars, travelling thrugh dangerus slar radiatin. Even if we d reach Mars safely, we may nt be able t return t Earth. Staying alive will be a daily challenge.
We need t take much better care f ur wn planet until we are finally able t live n anther planet.
3) What shuld we d nw?
Chse the statements that can be inferred frm the passage.
1. Humans have yet nt visited Mars.2. Peple want t g t Mars n hliday.3. There are plants grwing n Mars.4. The greatest risk t life n Earth used t be nuclear missiles.5. One day, humans will have t g and live n anther planet.6. Our Plan A includes develping renewable energy resurces.7. The Bisphere 2 experiment ended in failure.