人教版 (2019)必修 第三册Unit 4 Space Exploration备课课件ppt

这是一份人教版 (2019)必修 第三册Unit 4 Space Exploration备课课件ppt，共18页。PPT课件主要包含了点击图片播放视频，ravity，ntelligent，therwise，ufficient，hallow，satellite，agency，data，figure out等内容，欢迎下载使用。

Step I 学习理解
Enjy tw vides: The Wandering Earth and Mars. Then g thrugh the wrds and phrases in the bx. If necessary, lk up the wrds and the phrases in a dictinary.
planet　　prbe　　　　　launch vehicle　　　prtective shield rbit parachute lander lunar rver
planet　n. 行星　　　　　　　　　　　 prbe　n. 空间探测器launch vehicle　运载火箭 prtective shield　防护罩rbit　n. (天体等运行的)轨道 parachute　n. 降落伞lander　n. 着陆器 lunar rver　探月车
G thrugh the fllwing statements and understand the meanings. Decide whether they are true (T) r false (F). Then watch the vide and check yur answers. (Befre Yu Watch)
Watch the vide again and put the events in the crrect rder.
Step II 应用实践
Watch the vide again and answer the questins.
• Why is Mars called the “Red Planet”?• Hw high is the largest vlcan in the slar system?• What d yu knw abut the atmsphere arund Mars?• What is the ice capping the ples n Mars made frm?• What des “a barren planet” mean?
It is ften referred t as the “Red Planet” because f its red surface.
It is rughly 27 kilmetres high.
It is very thin and made up mstly f carbn dixide.
Much f Mars’s ice is made frm carbn dixide, nt water.
It means“一个贫瘠的星球”.
Step III 迁移创新
Wrk in pairs. One student acts as a space expert and the ther acts as a reprter. Use what yu have learnt frm the vide t make up an interview. (After Yu Watch)
A: S, tell me abut Mars.B: Well, it’s ur nearest planetary neighbur, and ne f the few planets we that can see with the naked eye.A: Is it like Earth?B: In many ways it is. Fr example, it has vlcanes, valleys, and seasns like Earth. Hwever, it is much clder than Earth, and its atmsphere is quite thin.A: When did China launch its first missin t Mars?B: ...
Cmplete the sentences.
Read the passage abut Lee’s wrk in space and fill in the blanks with the wrds and phrases in the bx.
agency astrnaut data determined intelligent satellite figure ut result in
intellighent
Fill in the blanks with the crrect frms f the wrds in the brackets.
Cmplete the sentences with the crrect frms f the wrds in the bx.
1. After having succeeded in __________ satellites int space, peple wanted t knw if it was safe fr a human t g int space. On 3 Nvember 1957, a dg named Laika became the first living thing _________ space. She was als the first ne t die there.2. The USSR and the US bth wanted t be the first t send a persn t the mn. Later, the US succeeded, and Neil Armstrng became the first man _______ nt the mn. During the first mn landing, astrnauts had n vehicles _______, s they had t explre the mn n ft. On the furth missin ________ n the mn, astrnauts tk a lunar vehicle s that they culd explre places further away.
send survive prevent reach breathe step land sleep use help
3. Astrnauts must wear spacesuits when they wrk in space because there is n air _____________ and it can be very cld utside the spacecraft. While __________, they must attach themselves t smething s as _____________ flating arund.4. The accident n the Apll 13 spacecraft resulted in a lss f xygen, water, and electrical pwer. The astrnauts n bard had t fight ____________. At the same time, Hustn’s Missin Cntrl wrked hard ______________ the astrnauts return t Earth safely.
Reflecting.
• What d yu think is the mst interesting part f an astrnaut’s life? Why?• What new infrmatin did yu learn frm this unit?• D yu find it easier t use English t express curisity nw?• D yu feel mre cnfident abut writing an argumentative essay in English nw? Why r why nt?• Overall, I thught this unit was ○inspiring　○ interesting 　○s-s　 ○difficult.