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1、Unit 7 W hats the highest mountain in the world?重难点解析一、重点短语1. as big as 与一样大 as.as 与.一样(形容词 副词) 同级比较 中间加形容词副词原型2. one of the oldest countries 最古老的国家之一 one of +the 形容词最高级+可数名词复数 最之一3. feel free to do sth. 随意地做某事4. as far as I know 据我所知 （可用在作文当中发表自己的观点） In my opioion5. in the world 在世界上 同义短语有： all ove
2、r the world around the world throughout the world 6. any other mountain 其他任何一座山7. of all the salt lakes 在所有的咸水湖中8. run along 跨越 9. freezing weather 冰冻的天气10. take in air 呼吸空气11. the first people to do sth. 第一个做某事的人12. in the face of difficulties 面临危险13. give up doing sth. 放弃做某事14. achieve one s dream
3、 实现某人的梦想15. even though 虽然;尽管= even if as if= as though好像16. be awake 醒着 wake up 醒来， 叫醒17. run over with excitement 兴奋地跑过去18. walk into sb. 撞到某人19 fall over 摔倒20. take care of 照顾;照料=look after= care for take care 当心，保重21. every two years 每两年 表频率 相当于 once two years二、知识点详解1.Feel free to ask me anythin
4、g on todays Great Wall tour.在今天的长城游中，大家尽管问我任何问题，不要拘束。 feel free 是英语口语中一个常用表达。若有人让你 feel free to do something, 就 是让你无需拘束，只管按照自己的意愿去做某事。 e.g.A: Can I use your bathroom? 我可以用一下你的卫生间吗？ B: Yes, feel free.可以，请随意。2. As far as I know, there are no man-made objects as big as this.据我所知，再没有像它这样大的人造物体了。 as far
5、as I know 是一个固定的表达方式， 还可以说 so far as I know, 意思是据我所知。 e.g. Theyre not coming today, so far as I know.3.achievement n.成就；成绩 e.g.We felt a great sense of achievement when we reached the top of the mountain.当我们到达山顶的时候，我们有一种巨大的成就感。 achieve v.达到；完成；成功 e.g.He will never achieve anything if he doesnt work
6、harder.4.southwestern adj.西南的；西南方向的 、e.g.Is this Southwestern Airline? 这是西南航空公司吗？ 5.include v.包含；包括 e.g.Her hobbies include swimming and gardening.6.condition n.条件；状况 e.g.The piano was in good condition. 7.take in 吸入；容纳 e.g.Fish take in oxygen through their gills.Take 常见短语： take off _ take out_take
7、away_take care_take up_take after_ take care of_8.succeed v.实现目标；成功 常用短语：succeed in doing sth.e.g.Police have finally succeeded in solving the mystery. Succeed词性转换 success_uccessful_successfully_8.challenge v.& n.挑战；考验 e.g.The job doesnt really challenge him.这项工作不能真正的考验他。 9.in the face of 面对（困难、问题等）
8、 e.g.In the face of difficulties, hes completely unafraid.。10.force n.力；力量 e.g.The thief took the money from the old man by force. 11.One of the worlds most dangerous sports is mountain climbing, one of + the + 形容词的最高级 + 复数名词，意为最之一eg: Miss Wang is one of the most popular teachers in our school. 12.I
9、t is also very hard to take in air as you get near the top.It is + adj.+ to do sth.，Eg: Its very difficult to climb Qomolangma.13.Even more serious difficulties include freezing weather conditions and heavy storms.u difficulty 既可作可数名词也可作不可数名词。作可数名词时通常用复数，表示具体概念，u 即：各式各样的 困难，难题，难事，如： Hes having finan
10、cial difficulties.u 作不可数名词时，译作困难，艰难，幸苦，如： She had great difficulty in understanding him.常见短语有：have difficulty in doing sth 在方面有困难 14.The spirit of these climbers shows us that we should never give up trying to achieve our dreams. give up 意为放弃，后面可以接名词、代词或 v-ing 形式作宾语。 【注意】 如果其宾语是名词，那么名词可以放在 give 和 up
11、 之间，也可以放在 up 之后；如果其宾语是代词，那么代词只能放在 give 和 up 之间。Eg. Although English isnt easy to learn, I wont give it up.15.Why do so many people try to climb this mountain even though it is dangerous? even though 用作从属连词，意为即使；尽管，相当于 even if，引导让步状语 从句，一般不与并列连词 but 连用。Eg: Mr.Wang will come on time even though it rai
12、ns.16.they run over with excitement and some of them even walk into their friends and fall over! run over 跑上前去e.g.She ran over to say hello, but I didnt recognize her.17. walk into （走路时意外）撞上 e.g.As he was thinking too deeply and not playing attention to where he was going, he walked straight into a
13、tree.18.over 摔倒；倒下 e.g.Dont run too fast, or you might fall over. fall over something 被某物绊倒 e.g.Tommy fell over the dog and broke his front teeth.Tommy 19. China has the largest population in the world.中国式世界上人口最多的国家。Population 人口 当前面有百分数，分数修饰的时候谓语动词用复数，没有则用单数Eg. The worlds population is increasing f
14、aster and faster.About 80% of the population in china are farmers. 问人口是多少切记：What is the population of 或者 How large is the population of Eg. What is the population of China? = How large is the population of China?【注意】一定不能用How many 或 how much；修饰population同样用的是large或small,不能用much 或many三、重点句型1. It is +a
15、dj. + (for sb. ) to do sth.Eg.It is also very hard to take in air as you get near the top.u It is +adj+ of sb +to do sth 介词 for，of 的选择取决于前面的形容词，前面的形容词可以用来形容一个人的性格，品质特征用of 常见有：kind, clever, smart, foolish, 对事而言的话，则用for,常见有hard, easy, difficult, important, necessary等2. Although. “ ， 不可以与but连用Eg. Although Japan is older than Canada，it is much smaller.3. sb. spend tim e/money doing/on sth.Eg. Adu
