16年仁爱英语九年级上册unit1topic2_重点知识点eva.doc

Unit 1 The Changing WorldTopic 2 The population in developing countries is growing faster.1． 重点句型：Section A 1.  We got lost and couldn’t find each other. 我们走失了，互相找不到对方get lost 意为“走失，迷路”，其中lost 为形容词，其近义词有missing 和gone.2. Have you found him yet? 你已经找到他了吗? （1） yet 用于疑问句及否定句，谈论尚未发生但可能发生的事，通常位于句末2） already 常用于肯定句中，指动作已经发生，或比期望发生的要早，一般用于句子中或者句末； Have you had your lunch yet?-----Yes, I’ve already had it. 你吃过午饭了吗？------是的，我已经吃过了3. Let’s call him up now. 我们现在给他打吧 （1）call up 意为“给......打”，名词作宾语时，可以放在up后面或是两词之间；宾语是代词时，必须放在两词之间。

I’ll called you up as soon as I come back. 我一回来就给你打 （2）call up = ring up = make a telephone call = telephone sb.4. I really hate to going to a place like that. ——So do I.我真的很讨厌去那样的地方 ——我也是 （1）So do I .为倒装句，表示前面提到的肯定情况也同样适合另外一个主体，表“某某也一样”，结构为“so + be /情态动词/ 助动词 + 主语” 如：    Jim is a student, so is Tom. 吉姆是一名学生，汤姆也是    Jim can swim, so can Tom.  吉姆会游泳，汤姆也会    Jim likes sports, so does Tom. 吉姆喜欢运动，汤姆也喜欢  （2）如表前面不怎样，后面“也不”怎样时，其结构为“ neither/ nor + be /情态动词/ 助动词 + 主语” 如：  Jim wasn’t Chinese, neither/ nor were they.　吉姆不中国人，他们也不是。

  Jim can’t speak Japanese, neither can I .　吉姆不会说日语，我也不会  Jim didn’t go there, neither did I .　吉姆没去那儿，我也没去 （3）如前后两句表达的是同一个主体，则不能倒装，表“的确如此”如：  Jim is a good student. So he is. 吉姆是一名好学生，的确如此5. I’ve never been there before. 我从前没有去过那里 before（表示时间）以前，是副词而不是介词或者连词，属较模糊的时间状语，表示到说话时间为止之前发生的事，大多使用完成时 I have read that novel before. 我从前看过那本小说6. There were such many people that they couldn’t find each other. 那里太多人了以至于他们找不到对方 Such...... that......... & so.......that..... 意为“ 如此......以至于......”， 引导结果状语从句。

A. so + 形容词/副词 + that +句子She is so lovely a girl that everyone likes her. 她是如此可爱的女孩，人人都喜欢她 B. so + many/much/little/few +名词 +that +句子He drank so much wine that an accident happened to him on his way home.他喝了那么多的酒，以至于在回家的路上发生了事故 C. such +a/an +形容词 +单数名词 +that +句子She is such a lovely girl that everyone likes her. 她是如此可爱的女孩，人人都喜欢她 D. such +形容词+复数名词/不可数名词 +that +句子It was such bad weather that nobody was on the street. 天这么糟糕，街上空无一人Section B1. What a large population!这么多人口！ population为不可数名词，表示人口的多少只能用 “large”或 “small”修饰，A. 提问人口: what’s the population of .......；B. have a population of 意为“ 有........的人口”；The population of Shanghai is larger than that of Beijing. 上海的人口比北京多。

What's the population of China?= How many people are there in China? 中国的人口有多少？ 2. It is increasing by 80 million every year. 人口每年正以8000万的速度增长 （1）increase 可作及物动词也可作不及物动词其含义是“增长，增加，加强”等 （2）increase by +倍数或者百分数， 指“增加了……倍或百分之......”; Compared with last year, our pay has increased by three time. 与去年相比，我们的工资增长了三倍3） increase to +具体的增长后的数字，指 “增加到……” Our rice output has increased to six million tons this year. 我们今年的粮食产量增长到600万吨3. What problems does the large population cause? 众多的人口导致了什么问题？ cause 意为“带来，造成，引起，导致”， 相当于 bring about. The bad weather is causing trouble for many farmers. 恶劣的天气给许多农民带来了麻烦。

Section C1.and about one fifth of the people in the world live in China. 而且世界上大约五分之一的人口生活在中国 one fifth 是分数表达法英文分数表达法：分子为基数词，分母为序数词，先读分子后读分母当分子大于1时，分母的序数词则变为复数，直接在词尾加“s”eg: one fourth 四分之一； three fourths 四分之三； one second 二分之一； two thirds 三分之二 注：分数修饰名词作主语，谓语动词要和所修饰的名词保持一致四分之一 也可以 a quarter, 百分数读作“基数词+percent(无复数）；2. Because of the large population, there is less living space for each family. 由于人口多，每个家庭的居住面积更小了 because of + n. / v.ing 因为 = because + 句子 Now most family have only one child because of our country’s one child policy.= Because our country has one child policy, now most families have only one child. 由于我国实施了独生子女政策，现在大多数家庭只有一个孩子。

3. The large population has caused many other difficulties for the whole nation.人口多也给整个国家带来了很多其他问题1) whole 着眼于整体，接可数名词单数形式 谓语动词用第三人称单数形式 The whole family likes watching TV.全家人都喜欢看电视2) all 着重于全体中的各个部分，接不可数名词或是可数名词复数All the people in the ship lost their lives. 轮船上所有人都遇难了4. It is hard for China to supply energy and water to satisfy people’s daily needs. 中国很难提供足够的能源和水来满足人们的日常需求A. supply n. 供应量，供给量,储存； The water supply is not enough. 水的供给不足B. supply v.（尤其大量）供应，供给，提供； supple sth. to sb. = supply sb. with sth.Our country supplies free textbooks to children. = Our country supplies children with free textbooks. 我国给孩子们提供免费的教科书。

注： provide, offer 与supply意思相近，但是用法不同 provide sth. for sb. = provide sb. with sth. offer sth. to sb. = offer sb. Sth.Section D1. I live in a small mountain town called Fairmont. 我住在一个名叫费尔蒙特的小山城里 called Fairmont 过去分词短语放在名词后作后置定语，called = named = with the name of The boy called / named / with the name of Lilei is my brother. 名叫李雷的那个男孩是我的弟弟2． 重点语法---------现在完成时 (Ⅱ) 1.现在完成时的用法：表示过去某一时间发生的动作或存在的状态，对现在仍有影响 I have just posted the letter. 我刚把信邮寄了 2.现在完成时与不明确的过去时间状语副词before，just，already，yet，ever等连用。

Have you heard from your friend lately?你最近有收到你朋友的来信吗？现在完成时常与下列表不明确的状语连用：1．already 和 yetalready “已经”（多用于肯定陈述句。