1、,重点语法,Unit 1 Topic 2,一、现在完成时:与 just, already, yet, ever, never, before等词连用。 （1）just “刚刚, 刚才”；一般用于肯定句中，放在中间。 （2）already “已经”；多用于肯定句中，可放在中间或句末。 （3）yet “ 已经，尚、还”；多用于否定句或疑问句, 放句末。 （4） ever “曾经”； 多用于疑问句中，放在中间。（5） never -未曾，从来没有；否定词，用于现在完成时表示以前从未做过某事，放在中间。常与before连用。(6) before - 以前；指过去某个时间点之前所发生的事，常用于完成时，
2、放句末。,二、分数的表达,one sixthone ninthone twentieth,five sixthstwo ninthsseven twentieths,分子用基数词， 分母用序数词； 先读分子后读分母；,one half a half one fourth a quarterthree fourths three quarters,分数接名词需要加入介词 of 分数做主语时，谓语动词单复数由of 后名词决定。 1) Two thirds of the homework _ (be) difficult. 2) Three fifths of the workers in the
3、factory_(come) from this village . 3)Two ninths of the students _ (have) read the novel. 4) Three fifths of the water _ (be) salty.,is,come,have,is,Peter likes swimming ,_his brother. I am a doctor ,_my sister. The boy can swim ,_I. You saw John in the street,_they. I have been to Beijing twice,_she
4、. I dont study in this school,_my brother. He must go - _we. A：He doesnt speak French. B：_I .,so does,so is,so can,so did,so has,neither/nor does,So must,Neither/Nor do,三、倒装句,1. so + be/助动词/情态动词+主语: “也一样。” neither/nor+ be/助动词/情态动词+主语: “也不”,2. so + 主语+be/助动词/情态动词: “确实是” neither/nor +主语+ be/助动词/情态动词:
5、“确实不是”,1.- Lucy can dance very well.-_. She has won many prizes so far. 2. - Water has already been polluted.-_. There is not much fresh water for drinking now. 3. - They havent finished their homework.- _. So they cant go out.,So she can,So it has,Nor they have,四、词汇,adv. 还、仍 很可能， 大概,yet,= maybe,(与完
6、成时连用，否定句或疑问句句末),probably,n. 电影院 人口 俄罗斯 首都；资本 集市；市场 政府；内阁,cinema,go to the cinema,population,Russia,Russian adj.,capital,the capital of ,market,supermaket,government,the local government,adj. 天然的，天生的 社会的；社交的 更差的当地的，本地的 巨大的；极多的 优秀的，杰出的,natural,nature n.,social,social problems,worse,bad/badly-worse-wor
7、st,whats worse,local,the local people,huge,big large,excellent,excellent trasportation,v. (使)增加实现，到达，够得着提供(东西或机会),increase,increase to,increase by,reach,-increased-increased,-reached-reached,reach the apple,reach the airport,offer sb. sth.,达成我愿,够到苹果,到达机场,-offered-offered,offer,= offer sth. to sb.,re
8、ach my dream,重点词汇1. 提供某人某物/提供某物给某人offer sb. sth.=offer sth. to sb.provide sb. with sth. = provide sth. for sb. supply sb. with sth. = supply sth. to/for sb. The government _ nice houses for homeless people. provides B. offers C. support D. supply,A,重点词汇2. develop v.发展developed adj.发达的developing adj.
9、 发展中的development n. 发展 a) With the _ of science, people live more happily than before. b) China has _rapidly in recent years. c) _countries have a larger population than _ countries.,development,developed,Developing,developed,3. population (人口)多 ：large/big (人口)少 ： small 某地人口是. 中国有13亿人口。The populatio
10、n of China is 1.3 billion.China has a population of 1.3 billion.There are 1.3 billion people in China.3) 询问某地人口：a. -Whats the population of ? -Its aboutb. -How many people are there in ?-There are,重点词汇,_ the population of China?About 1.3 billion. Its _ than any other country in the world. How many a
11、re; more B. How much is; larger C. What is; more D. What is; larger,D,4. increase increase by 增加了increase to 增加到 e.g. 油价已经增加了5%。 The price of the oil _ 5%. 去年这个村庄的人口增加了3000人。 The population of this village _ 3000 last year. 明年他们学校的学生将增加到2500人。 The students in their school _ 2500 next year.,has incre
12、ased by,increased by,will increase to,重点词汇,1. not any more = no more 不再 not any longer = no longer 不再e.g：我再也不回来了。I will _return_ _. = I will return_ _. 他不再住那里了。He _live there_ _. = He _ _lives there.,(着重表示数量或程度的减少，含有“不再增加、再也没有更多数量或更大程度”之意),(着重表示时间或距离的“不再”延长，含有“如今不再”),重要短语,not,any more,no more,doesnt
13、,any longer,no longer,carry out 实行, 进行, 执行 carried-carried e.g. 我们已经实行了一个新的计划。We _ a new plan carry + 代词 +out要执行这个很容易。 e.g. Its easy to _.,have carried out,carry it out,重要短语,3. 迷路lose ones way =be lost =get lost Jane lost her way in the museum yesterday. = Jane _ _ in the museum yesterday. = Jane _
14、_ in the museum yesterday.,重要短语,was lost,got lost,4. work well in 在起很好的作用do well in 擅长 The policy _ controlling the population. Kangkang _ playing soccer.,重要短语,works well in,does well in,5. thanks to 多亏了，由于thanks for 感谢 _ your help. _ the policy, the environment has improved a lot.,重要短语,Thanks for,Thanks to,6. 采取措施做某事,take measures to do sth.,7. 到目前为止,so far (用于现在完成时),
