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高中英语人教版 (2019)必修 第三册Unit 4 Space Exploration试讲课ppt课件
展开Wrds review
beyndslarslar systemcurrentfigure utsufficient
prep. 在更远处;超出
adj. 太阳的;太阳能的
adj. 当前的;现在的 n. 水流;电流;思潮
adj. 足够的;充足的
Discvering useful structures
On September 27, 2008, Zhai Zhigang, a Chinese astrnaut, climbed ut f the spacecraft_______ (fix) a Chinese flag n the utside f the spaceship. He is the first Chinese astrnaut _________ (make) a spacewalk.
Fill in the blanks with the crrect frms f the wrds.
What are the functins f them?
Infinitive 动词不定式
attributive
1. I trained fr a lng time t fly airplanes as a fighter pilt.2. As we all knw, an astrnaut needs t be healthy and calm in rder t wrk in space.3. First f all, yu must be intelligent enugh t get a related cllege degree.4. Sme scientists were determined t help humans realize their dream t explre space.5. On 12 April 1961, Yuri Gagarin became the first persn in the wrld t g int space.
Lk at the fllwing sentences and tell the functins f the infinitives.
adverbial[ædˈvɜːbiəl]
1. scientists wrk hard t find answers…2. They make vehicles t carry brave peple int space t find ut the secrets f the universe. 3. Fr example, America's NASA space agency launched Vyager 1 n 5 September 1977 t study deep These disasters made everyne sad and disappinted, but the desire t explre the universe never died.5. China became the third cuntry in the wrld t independently send humans int space in 2003,…
Mre examples:
6. ... fllwed by the vehicle Jade Rabbit being sent t the mn t study its surface. 7. ... China launched the Tiangng 2 space lab int space and Tianzhu 1 t dck with it. 8. This signalled ne step further in China's plan t establish a space statin in the future.9. China has sent Chang’e 4 t explre the surface f the far side f the mn t make measurements and bservatins. 10. ... and China all have plans t further study and explre planets like Mars and Jupiter.
Fcus n 基本用法
infinitive as attributive不定式作定语
① The teacher left us a lt f prblems t slve. ② I have smething t d after class .③He is always the first persn t cme and the last ne t leave.
下课后我有些事情要做。
老师给我们留了很多题要解答。
他总是第一个来最后一个走。
归纳: ①不定式作定语,一般是作后置定语,修饰前面的名词或代词。 ②不定式作定语时与被修饰词存在逻辑上的主谓或动宾关系。不定式动词应该是及物动词;若不定式动词为不及物动词,则该动词必须与介词连用,组成及物的动词短语。
Please pass me sme paper t write ____.He had a cmfrtable rm t live ____Yu have a seat t sit _____.
1. 修饰的名词前有the nly,the next,the best,the first、the last以及有序数词或形容词最高级修饰的名词时,用不定式作后置定语。
2. smething, anything, nthing, everything等复合不定代词常用不定式作后置定语。
I’ve grwn s crazy abut everything t d with nature.
The next train t arrive was frm Shenzhen.
infinitive as adverbial不定式作状语
不定式作状语可以表示目的、结果或原因等。
① 我每天这么努力学习(的目的就是)为了考间好大学。 ② 我会记下他的电话号码,以免忘记。
归纳1: 不定式作目的状语,经常使用以下结构: t d = s as t d= in rder t d否定: nt t d =in rder nt t d=s as nt t d (注意: s as t d不可以用于句首)。
In rder t enter a gd university, I study hard every day.
I study hard every day t enter a gd university.
T enter a gd university, I study hard every day.
I study hard every day in rder t enter a gd university.
I study hard every day s as t enter a gd university.
I'll write dwn his telephne number in rder/s as nt t frget it.
① I'm t tired t stay up lnger. ② The by is ld enugh t take care f himself. 这个男孩够大了,可以自己照顾自己。③ He hurried t the statin, nly t find the train had left. 他匆匆忙忙赶到火车站,结果却发现火车已经走了。
归纳2:不定式作结果状语常用于以下句型结构:① t … t d ② enugh t d③ nly t d (常表示意外的或事与愿违的结果)
我太累了,不能再熬夜了。
① I'm glad t see yu. 很高兴见到你。② Sam was very surprised t hear the news. 萨姆听到这个消息很吃惊。③ I am srry t hear that.
归纳3:不定式作原因状语常用于以下句型结构: adj. (glad/ srry/ happy/ nice/ disappinted/ upset/ cntent…) + t d
Rewrite the sentences using infinitives r “in rder t /s as t + d”. Change the italicized parts accrdingly.
1 In 2003 Yuri Malenchenk became the first persn wh gt married in space. → In 2003 Yuri Malenchenk became the first persn t get married in space.2 In space, astrnauts cllect all dirty water s that it can be recycled fr later use. → In space, astrnauts cllect all dirty water s as t recycle it fr later use.3 Mankind has always been curius abut the universe and many peple have dreamt that ne day they wuld fly int space.4 Astrnauts' bnes and muscles can get very weak in space due t the lack f gravity, s they need t exercise every day, which will help them stay healthy.5 Astrnauts have t use tape t stick everything dwn while wrking in space because everything wuld flat ff therwise.6 During a spacewalk, astrnauts have t mve slwly s that they can keep their bdies under cntrl.
3 Mankind has always been curius abut the universe and many peple have dreamt that ne day they wuld fly int space. Mankind has always been curius abut the universe and many peple have the dream t fly int space ne day.4 Astrnauts' bnes and muscles can get very weak in space due t the lack f gravity, s they need t exercise every day, which will help them stay healthy. Astrnauts' bnes and muscles can get very weak in space due t the lack f gravity, s they need t exercise every day t/in rder t/s as t help them stay healthy.5 Astrnauts have t use tape t stick everything dwn while wrking in space because everything wuld flat ff therwise. Astrnauts have t use tape t stick everything dwn while wrking in space t/in rder t/s as t keep everything frm flating ff.6 During a spacewalk, astrnauts have t mve slwly s that they can keep their bdies under cntrl. During a spacewalk, astrnauts have t mve slwly t/in rder t/s as t keep their bdies under cntrl.
Check yur answers.
Cmplete the passage with the crrect frms f the verbs in brackets.
Sending peple t ther planets r even beynd the slar system is nt an easy gal __________ (achieve). One f the prblems is that the trip wuld take a very lng time. Fr example, ______ (use) the current technlgy, it wuld take ver tw years ______ (get) t the clsest planet, Mars, and back. Althugh light is the fastest thing _______ (knw) in the universe, it culd take mre than fur years t reach the nearest star system. Will scientists figure ut a way _______ (stre) sufficient fd and water fr the lng jurney? Is it pssible t travel faster than light? N ne knws the answers yet. Hwever, space scientists never give up. They are experimenting with grwing crps in space s as ______ (help) astrnauts get enugh fd n lnger jurneys thrugh space.
Mre Practice
Task ne : 《金榜学案》语法练习Task Tw : Quiz yurself (备用)
Ⅰ. Fill in the blanks with the crrect frms f the verbs.
1. _______ (catch) the early flight, we rdered a taxi in advance and gt up very early.2. Jack has decided t take Chinese flk music as an elective curse ______ (learn) mre abut Chinese culture.3. Susan pened the dr slwly, nly ______ (find) there was n ne in the meeting rm.4. Yu are lucky enugh ______ (get) a chance t g abrad fr further study.5. Wh was the first persn in the wrld ______ (climb) t the tp f the wrld’s tallest muntain?
6. After s many days’ rest, the man was nt ready ______ (g) back t wrk yet.7. In the speech Bb expressed his determinatin _________ (achieve) his gals.8. Can yu tell me a way __________ (prevent) milk, in ht weather, frm ging bad?9. The water in this well is safe ______ (drink).10. I wasn’t surprised _______ (learn) that they didn’t agree n the plan.
1. 她总是第一个到教室,最后一个离开的。
She is always the first t arrive and the last t leave the classrm.
2. 孩子们,安静一下,我有件事情要宣布!
Be quiet please, bys and girls, I have an annuncement t make.
Ⅱ. Translate the sentences belw int English.
3. 这只狗很勇敢,跳到水里救那个小女孩。
The dg was brave enugh t jump int the water t save the little girl.
4. 有很多作业要做,我没时间出去玩了。
I have n time t play utside with s much hmewrk t d.
一、不定式作定语不定式与被修饰词存在逻辑上的关系:主谓、动宾、同位关系。二、不定式作状语①目的状语;②结果状语;③原因状语。
简单归纳其他用法
1. T clean the classrm is my jb tday. 2. My jb is t clean the classrm tday. 3. I determine t play ftball this afternn.4. I can't determine what t d next. 5. Can yu help me (t) slve this maths prblem?
宾 补
6. I have a maths prblem t slve.7. I gt up early t/in rder t/s as t catch the first bus.
归纳: 不定式经常表将来的动作和做目的状语。
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