八年级英语下units1-2.ppt

八年级英语下units1-2,词汇拓展,prediction,useful,unpleasant,pleasure,impossible,possibly,unable,polluted,pollute,7.scientist(名词) _ (形容词) _ 8.except (近义词)_ 9.argue (n)_ 10.wrong(反义词) _,science,scientific,besides,argument,correct/right,including,surprising,surprised,pressure,impress,succeed,pull,pass,failure,重点短语,1in l00 years=100 years from now 21ive to be 200 years old 31ive on a space station 41ive alone 5fly rockets to the moon,一百年后,活到两百岁,生活在太空站上,单独居住,乘坐火箭去月球,6fall in love with 7go skatingswimming 8be able to 9come true 10hundreds of 11in the future 12wake up,爱上,去滑冰游泳,能够,(希望等)实现；达到,大量；许多,在将来,醒来；叫醒,13over and over again 14get bored 15argue with 16out of style 17in style 18call sbup 19a ticket to 20pay for,反复地；一次又一次,感到厌烦,跟争吵,过时的,时髦的,打电话给某人,一张的票,付款,21borrow sthfrom sb 22ask sbfor sth 23buy sthfor sb 24find out 25get a parttime job 26be angry with 27get on well with,向某人借某物,向某人要某物,买某物给某人,查明；查出,找兼职工作,对生气,与相处融洽,28have a fight with 29Fitinto 30asas possible 31under too much pressure 32complain about 33see sbdoing sth,跟打架,找到时间(做某事),尽可能,在太大的压力下,抱怨,看见某人正在做某事,34comparewith 35find it harddifficult to do sth 36on the one handon the other hand 37the same as 38tell sbto do sth,把和做比较,发现做某事很困难,一方面，另一方面,与一样,告诉某人做某事,重点句型,less pollution,Will,No, there wont,There will,pollution,study at home on computers,What should,Maybe he should say,Whats,want me to stay at home every night,6.他认为计算机将永远不会被大部分人使用。 He thought that _ _. 7.他认为对于机器人来说，像人那样做事将是很困难的。 He thinks that it _ _.,computers would never be used,by most people,will be difficult for a robot to do the same things as a person,You left your homework,could write him,many children are undertoo much pressure,11“一百年以后人们还使用钱吗？”“不，他们不用”。 Will people use money _ 100 years? No，they _. 12除我之外，班上其他人都被邀请了。 Everyone _in my class was_me.,in,wont,else,invited except,what to do,Predicting,be difficult,same age as,give,advice,难点突破,1. argue vi.辩论，争论 argue with sb 与某人争执 argue about sth 因某事而争执 Tom often argues with his brother.They dont agree with each other. 汤姆经常和他弟弟有争执，他们之间互不认同。 What are they arguing about?他们在争论什么？,2. fall v. 落下；跌落；变为 n落下；跌落 fall off =fall down from 从掉下来 fall behind 落后于 fall over 摔倒 He fell off his bike and broke his leg. 他从自行车上跌下来，摔断了腿。,3. either adv.同样地(不) adj.& pron.任一(的) 点拨 (1)作代词，意为“(两者之中)任一，任何一个”，可与介词 of连用。either (of)作主语，谓语动词用单数形式。 Either of the books is popular with the students. (两本书中)任何一本书都受学生欢迎。,(2)作形容词，表示“(两者之中)任何一个的”，后接可数名词的单数。 There are many trees on either side of the street. 街道两边有许多树。 (3)作副词，表示“也”，用于否定句，通常置于句末，其前用逗号隔开。 I dont like blue and I dont like green, either. 我不喜欢蓝色，也不喜欢绿色。,拓展 (1)eitheror意为“或者或者；要么要么”。 在连接两个并列主语时，谓语动词必须遵循就近原则，与or后面的主语在人称和数上保持一致。类似的还有not onlybut also (不但而且)，neithernor(既不也不)。但bothand(和都)连接两个主语时，谓语动词用复数形式。,Either you or Jim has a chance to visit the museum. (连接并列主语) 要么你要么吉姆有机会去参观博物馆。 (2)either的反义词为neither，意为“(两者)都不”； eitheror的反义词组为neithernor表示“既不也不”。,中考典例 Can I come this afternoon or tomorrow morning? _ is OK. Im free today and tomorrow.2012聊城 AEither BNeither CBoth DNone 解析 “由Im free today and tomorrow.”可知this afternoon和tomorrow morning两个时间随便哪个都行。,A,4.return v归还；送还 点拨 相当于give back，常用于return sth to sb结构。 Dont forget to return the pen to me. 别忘了把钢笔还给我。 Return the book to the library. 把书归还给图书馆。,拓展 return 还可表示“回来；返回”(come/get back)，常 用于return to some place结构。 Shes returning to Australia tomorrow. I had to return to the store to look for my purse. 注意 return已含有back的意思，所以其后不能接back。,巧辨异同,such常用于修饰名词 such a/an形容词可数名词单数 such(形容词)不可数名词或可数名词复数 so常用于修饰形容词或副词 so形容词或副词 somany/few+可数名词复数 much/little+不可数名词 sothat从句,当little 表示“年纪小的”之意时，可用“such little名词”结构。 They were such little children that they couldnt clean the house. 这些孩子那么小，不能打扫房间,中考典例： 别再犯如此愚蠢的错误了，否则你只能另谋高就了。 Dont _， or you will have to find another job.2012无锡 答案 make such silly mistakes/a silly mistake any more,5. They think that robots will be able to talk to people in 25 to 50 years.他们认为机器人在25至50年以后将能够和人们对话。 句型 “be able to 动词原形”表示“能够，得以”。该结构有人称、时态和数的变化，可用于其他任何时态。当它用于一般现在时和一般过去时可和can互换。,He was able to drive a car three years ago.He could drive a car three years ago. 三年前他就能开车。 拓展 (1)“in时间段”表示“在多久之后”，常用于一般将来时，表示以现在为起点一段时间以后。 Ill come back in half an hour.,(2)“after时间点”表示以现在、将来或过去时间为起点，意为“在之后”。“after时间段”常用于一般过去时。 He often comes back after ten oclock.他经常十点后回来。 After a few minutes she started to cry.几分钟后，她开始哭了。,6. Im upset and I dont know what to do. 我非常不安，不知道该做什么。 句型 “疑问词不定式”结构常用在know, decide, find out, tell, forget, remember, see, understand等动词后作宾语。这类简单句往往是由复合句(含特殊疑问句的宾语从句)转化而成。,She didnt know which blouse to buy. (She didnt know which blouse she should buy.)她不知道买哪件衬衫。 Im thinking about what to say. (Im thinking about what I should say.) 我在考虑说什么。,拓展 疑问词为代词时，作不定式的宾语，因此不定式的动词若是不及物动词就要加介词构成及物动词词组。若疑问词为副词，则其为不定式的状语。 I dont know what to do. 我不知道该做什么。 I dont know how to do it. 我不知道该如何做它。,中考典例 This math problem is too difficult. Can you show me _， George？2011威海 Awhat to work out Bto work it out C. how to work it out D. how to work out it 解析 C “疑问词不定式结构”在句中作宾语。另外，work out是“动词副词”的短语，后接代词时要将其放在out之前，故选C。,C,真题剖析,真题1 (上海)We are glad to hear that the Greens _to a new flat next week Amove Bmoved Cwill move Dhave moved 解析：根据句子中的时间状语next week可以知道，本句需要用一般将来时。 答案：C,真题2 (宁夏) when will the second class begin? two minutes AFor BAt CIn DAfter 解析：在一般将来时态中，表示“之后”要使用介词in，而after通常用于一般过去时。 答案：C,真题3 (陕西)If there no buying and selling of animals，there no killing in nature A.is;will be B.will be;will be Cis；is Dwill be；is 解析：本题将there be句型放在if引导的条件状语从句中考查。if条件状语从句要用一般现在时态，而主句根据句意可用各种不同的时态，通常使用一般将来时。答案：A,真题4 (苏州)If you dont work_enough，I dont think your dream will Come A.hardly;truly Bhardly；true Chard；true Dhard；truly 解析：本题考查形容词和副词的用法。副词用来修饰动词，hard意思为“努力地”，hardly意思为几乎不”，work hard意思为“努力工作”，come true意思为“实现”。答案：C,真题5 (昆明) Whats the matter with Tina? _ AShe is away BShe is cool CShe has a sore throat DShe should take some medicine 解析：Wha