1、U1T21. 本单元重点现在完成时时间状语：just 刚刚 never 从不 ever 曾经 before 之前already / yet 已经(肯定句用 already，否定和一般疑问句用 yet，already 放句中或句尾 yet 放句尾)2. dont want to go there anymore / no longer want to go there 不想再去那儿(两种)3. get lost / lose ones way 迷路(两种)4. call him up 打电话给他5. hate going to a place like that 讨厌去像那样的地方6. go t
2、o such a crowded place 去如此一个拥挤的地方7. So do I. 我也一样。So / Neither + 助动词 + 主语 表示某人也一样（助动词根据前一个句子的助动词而定） 。8. So it is. 确实是这样。So / Neither + 主语 + 助动词 表示确实是这样（助动词根据前一个句子的助动词而定） 。9. go to the cinema nearby 去附近的电影院10.a report on population in the newspaper 报纸上一份关于人口的报告11.What a large population! 多么多的人口！12.ha
3、ve a population of 6.8 billion 有 68 亿人口13.increase by 80 million 以 8 千万的速度增加14.Which country has the largest population? 哪个国家有最多的人口！15.be second with 1.1 billion 以 11 亿位居第二16.Whats the population of China? 中国人口有多少？17.carry out the one-child policy to control the population 执行独生子女政策来控制人口18.The popula
4、tion in developing countries is larger than that in developed countries.发展中国家的人口比发达国家的人口多。19.grow fast 快速增长20.one fifth of the people 五分之一的人21.less living space for each family 更少的居住空间对于每个家庭22.Its difficult for people to find jobs. 对于人们来说很难找到工作。23.cause many other difficulties 导致很多其他的困难24.supply ene
5、rgy and water to satisfy peoples daily needs 提供能量和水来满足人们的日常需求25.natural environments 自然环境26.become worse and worse 变得越来越坏27.so far 至今为止28.take many measures to control the population 采取措施来控制人口29.One is known as the one-child policy. 一个为人所知的是独生子女政策。30.work well in controlling Chinas population 在控制人口方
6、面进展的好31.thanks to the policy 多亏这个政策32.have a long way to go 有一条很长的路要走33.newborn babies 新生儿34.face serious social problems 面对严重的社会问题35.more than / fewer than / less than 多于/少于(两种)36.The small town is surrounded by trees. 这个小镇被树环绕。37.live close to nature 亲近自然38.discourage cutting trees 阻止砍树39.the local people 当地人40.live far away 住得远41.the capital of China 中国的首都42.excellent public transportation 杰出的公共运输系统
