必修三Unit4Usinglanguage.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,人教课标版,高一 必修,3,Unit 4,Extensive reading,spacewalk,Look at the pictures!,Read and then describe the three ways in which gravity changed for Li,Yanping,and how his weight changed,.,1.The pull of gravity became very strong she left the earths atmosphere.His weight is normal.,2.It disappeared when he was in space,.,He is weightless.,3.It was very light when he was on the moon.He weighs less than on earth.,1.Last month I was lucky,enough,to have a chance to make a trip into space with my friend Li,Yanping,an astronomer.,上个月我有幸得到一个机会同我的朋友，一位宇航员李彦平一道去太空旅行。,Language points,enough,的用法,:,1,）用作代词：作主语或宾语。,You have done more than,enough,.,你已做得够多了。,I have had,enough,.Thank you.,我吃的已经够多的了，谢谢。,2,）形容词作定语：,enough,用在名词前、后都可以。,I have,enough,time to do the work.,/I have time,enough,to do the work.,我有足够的时间做此项工作。,3,）用作副词修饰形容词或副词表示程度,:enough,一般放在形容词或副词的后边。,long enough,easy enough,fast enough,quickly enough,等。但一般不说：,enough long,enough easy,enough fast,enough quickly.,The boy is old,enough,to go to school.,这孩子到上学的年龄了。,He couldnt run quickly,enough,to catch up with the cat.,他跑的速度太慢，追不上猫。,4,）用作副词修饰动词时也需放在动词之后。,The meat is not cooked,enough,.,肉炖得不够熟。,If I had _(,足够长的假期,),Id visit Europe,stopping at all the small interesting places.,(,a long enough holiday,/an enough long holiday,),2.Then we,were,off,.,随后我们就启程了。,be off =set off,出发；动身,I,am off,today.,我今天不用上班。,We,are,off,today.,今天我们不上班,/,今天我们不开张。,set.off,送行,kick off,踢球,jump off,跳下,give off,散发,show off,炫耀,shut off,关闭,get off,下车,take off,脱下,turn off,关闭,pay off,付清；还清,与,off,相关的短语,:,3.When we,get closer to,the moon,we shall feel its gravity pulling us,but it will not be as strong a pull as the earths.,当我们更接近月球时,就会感到月球的引力在拉我们。但是,月球的引力不像地球的引力那么大。,get close to,靠近，接近，指动态变化,be close to,距,.,近，指状态,The school,is close to,the post office.,与,get,相关的短语,:,get along,相处融洽，进展等,get down to,开始认真对待，开始认真考虑,get on,上车,get through,到达；通过；办完，花光,(,钱、时间等,),。,get to,到达,1.Dont talk too much.Lets _,working.,2.Hurry up,or well be late to _ the bus.,3.Its easy to _ the difficulty.,4.I have _ a lot of papers.,5.She managed to _ the village.,get down to,get on,get over,got through,get to,get down to;get on;get through;,get to;get over;get up,1).“A+be+,倍数,+as+,形容词原级,+as+,B”.,This tree is,three times as tall as,that one.,His father is,twice as old as,he.,2).“A+be+,倍数,+,形容词比较级,+than+,B”,4.But when I tried to step forward,I found I was carried,twice as far as,on the earth and fell over.,The Yangtze River is almost,twice longer than,the Pearl River.,长江差不多比珠江长两倍。,The number of students in our school is,three times larger than,that in theirs.,我们学校的学生数量比他们学校的多三倍。,3).“A+be+,倍数,+the+,名词,(size,length,amount)+of+B”,The newly broadened square is,four times the size of,the previous one.,新扩建的广场是未扩建时的四倍大。,Do you regret _(pay)100 dollars for the painting?,No,I would gladly have paid _(,两倍那么多了,)for it.,(paying;twice as much),讲解,:,regret,后跟动名词的一般式、完成式和不定式的完成式都表示对过去做过的事情感到后悔，跟不定式一般式表示对即将做的事情感到遗憾，常用来表达委婉。,twice as much,为倍数的表达法，在这里为省略形式，相当于,twice as much as that,。,5.“walking does need a bit of practice,now that,gravity has changed.”,.,既然引力改变了，走路也的确需要练一练了。,now that,同,since,相似，语气较弱，强调人们已知的事实。,Translation:,1.,既然你忙,就让我给你做吧。,Now that,you are busy,let me do it for,you.,2.,既然人都齐了,咱们开始干吧。,Now that,everyone is here lets start,work,6.We watched,amazed as fire,broke out,on the outside of the spaceship as the earths gravity increased.,break out,它与,happen,take place,come out,等词的用法一样，是不及物动词，不能带宾语，不能用于被动语态。,1),战争爆发,The American Civil War,broke out,in 1861.,美国内战爆发于,1861,年。,2),发生争吵,A quarrel,broke out,between them.,他们之间发生了争吵。,3)(,火灾,),发生,Afire,brokeout,inhishouselast,night.,昨晚他家里失火了。,考点,break out,通常指战争、疾病、灾害等的爆发。不及物动词短语，不能用于被动语态。,考例,I was still sleeping when the fire _,and then it spread quickly.,(,广东,2006),A.broke out B.put out,C.came out D.got out,点拨,put out,扑灭；,come out,出来,出版；,get out,（使）出来。由,it spread quickly,（火迅速蔓延）可知选,A,。,break down,打破,;,毁掉,;,破除,;,坍塌,;,坏掉,break in,破门而入,;,打断,break away from,脱离,;,打破陈规,与,break,相关的短语,:,break through,突围,;,突破,;,冲垮,;,克服,break up,打碎,;,拆散,;,分裂,;,分解,break ones word/promise,食言,;,说话不算数,选用方框内合适的词或短语，并用其适当形式填空。,(,其中有一个多余选项,),There was a _ of people around the club entrance.,2.You ought to have a good rest _ youve finished the work.,mass,now that,练习坊,float;now that;mass;get the hang of;watch out;pull,3.She spent the afternoon _ on her back in the pool.,4.It seems difficult at first,but youll soon _ it.,5.You have to _ because there are land-mines all over the place.,watch out,floating,get the hang of,float;now that;mass;get the hang of;watch out;pull,II.,用适当的介词或副词填空。,1.Come on.Cheer _!Youre not the only one who failed in the test.,2.Since there are many problems that cant be solved,the war is likely to break _.,3.Last Saturday,I went on a visit _ the Great Wall with some of my friends.,4.Is there anything else you would like me to explain _ you?,up,out,to,to,5.Water vapor is lighter,otherwise it would not rise _ the air.,6.His grandfather lives in a lonely village which is far _ his house.,7.The leaves fall _ the trees and blow about in the autumn wind8.As a matter of fact,I didnt know him _ all.,into,from,from/off,at,9.Make sure that your children can not get close _ pools,lakes and rivers by themselves.,10.He wants to give away all his modern possessions and return _ nature.,to,to,III.,根据括号内的提示翻译下列句子。,1.,老师幽默的讲话让我们很振奋,之后班里的气氛也轻松起来。,(atmosphere;cheer up),The atmosphere in the classroom relaxed after the teachers humorous talk cheered us up.,3.,让我们十分失望的是,战争最终在那两个国家之间爆发了。,(to ones disappointment;break out),Now that we have finished the design,the company will do the construction in its turn.,2.,既然我们已经完成了设计,就该由公司来进行建设了。,(now that;in ones turn),To our great disappointment,a war broke out between the two countries at last.,6.,我感觉风从一扇敞开的窗子里正往我脸上吹。,(feel.doing),5.,这个小女孩看见他偷了那本书,这件事是真的。（,watch.do,）,Its true that the girl watched him steal that book.,I felt the wind blowing on my face from an open window.,Homework,Collect passages about gravity.,Prepare for speaking.,