英语必修 第三册Unit 4 Space Exploration备课ppt课件

这是一份英语必修 第三册Unit 4 Space Exploration备课ppt课件，共17页。PPT课件主要包含了satellite，agency，data，determined，astronaut，result in ，sending，to reach，to step，to use等内容，欢迎下载使用。

T practice the usage f sme wrds and phrases learnt in this unit by cmpleting a passage.T cnslidate the usage f infinitives.T reflect what yu have learnt in this unit.
agencyastrnautdatadeterminedintelligentsatellitefigure utresult in
v. 导致，造成adj. 意志坚定的n. 人造卫星，卫星v. 弄懂，弄明白n. 宇航员，太空人n. 专门机构，代理处n. 数据，资料adj. 有智慧的
首先，分析句子，判断空白处所缺句子成分，进而断定所填内容的词性。如，做定语和表语的是形容词、动词不定式t后填(短语)动词原形、冠词后填名词等。其次，根据上下文语义选择合适的单词或短语。
1. Read the passage abut Lee's wrk in space and fill in the blanks with the wrds and phrases in the bx.
Lee was busy at wrk. Unlike mst peple arund the wrld thugh, his wrkplace was in space. There was a prblem with a(n) ________. It was suppsed t send infrmatin abut the sun back t the ________ n Earth, but the equipment fr sending the _________ was nt wrking prperly.
agency astrnaut data determined intelligent satellite figure ut result in
S it was Lee's missin t ________ the prblem and slve it.Lee was very _________ as a(n) __________, and he was als very careful. He was __________ t make the satellite wrk prperly again, but he wuld make sure t be safe. He knew that ne small mistake culd ________ death.
intelligent
动词不定式可用作定语和状语。1) 作定语时，一般置于被修饰词之后用作后置定语。 Scientists were determined t help humans realize their dream t explre space. On 12 April 1961, Yuri Gagarin became the first persn in the wrld t g int space. Sending peple t ther planets r even beynd the slar system is nt an easy gal t achieve.
2) 作状语时，可表示目的、结果或原因等。 Scientists wrk hard t find ut the secrets f the universe. As we all knw, an astrnaut needs t be healthy and calm in rder t wrk in space. Yu must be intelligent enugh t get a related cllege degree.
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 Cmplete the sentences with the crrect frms f the wrds in the bx.
send survive prevent reach breathe step land sleep use help
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.
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.
send survive prevent reach breathe step land steep use help
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
interesting
Review the wrds, phrases and imprtant sentences learnt in this unit.Preview the Prject and search mre infrmatin abut China’s space explratin n the Internet.