人教版八下unit7知识点总结及单元测试卷(附答案)

人教版英语八年级下册Unit 7 What's the highest mountain in the world?知识点总结及单元测试卷（附答案）【教材内容解析】Section A1. about 9,600,000 square kilometres in size (P. 49)square用作形容词，表示“平方的”，用于数字后面表示面积。Our new house is 95 square metres in size.2. 1,025 meters deep. (P. 49)英语中常见的长宽高的表达方式为：基数词+单位词+形容词(long, wide, high, deep)。The rope is two meters long.3. Qomolangma is higher than any other mountain in the world. (P. 49)any other意为“其他任何一个”，后接可数名词单数，常用于比较级结构中，表示最高级含义，可与“the other+可数名词复数”或者the others互换。Peter runs faster than any other student/the other students/the others in his class.4. China has the biggest population in the world. (P. 50)population表示“人口”，是集合名词，对人口数量提问时，用what而不用how many/much，population若作主语，强调整体概念时，谓语用单数形式，强调个体时，谓语用复数形式。Whats the population in China now?The population of this small town is three thousand.More than one fifth of the population of the country are over 60 years old.5. The main reason was to protect their part of the country. (P. 50)protect表示“保护”时，常用的结构为：protect.from.“保护免受”。Humans should do something to protect the environment.The sunglasses will protect you from sunshine.6. As far as I know, there are no other man-made objects as big as this. (P. 50)as far as I know意为“就我所知、我认为”，相当于as far as I am concerned。As far as I know, hell be away from three months.7. One of the worlds most dangerous sports is mountain climbing, and one of the most popular places for this is the Himalayas. (P. 51)“one of+the+形容词最高级+复数可数名词”指在某一个范围内“最之一”，作主语时，谓语动词用单数形式。Mary is one of the best students in our class.8. Even more serious difficulties include freezing weather conditions and heavy storms. (P. 51)include表示“包含、包括”，强调一个整体里面包含一些部分，including常用作介词，表示“包括”。The book includes eight units.He has many friends, including Tom.9. It is also very hard to take in air as you get near the top. (P. 51)take in意为“吸收”。Do you know how plants take in water?10. The first Chinese team did so in 1960, while the first woman to succeed was Junko Tabei from Japan in 1975. (P. 51)succeed表示“成功”，常用的结构为：succeed to do sth.或者succeed in doing sth.“成功做成某事”。The climbers succeeded to get to the top of the mountain in the end.=The climbers succeeded in getting to the top of the mountain in the end.11. One of the main reasons is that people want to challenge themselves in the face of difficulties. (P. 51)(1) challenge意为“挑战、考验”，challenge sb. to (do) sth.表示“向某人挑战做某事”。He challenged me to play chess.(2) in the face意为“面对（问题或者困难）”They showed courage in the face of danger.12. The spirit these climbers shows us that we should never give up trying to achieve our dreams. (P. 51) achieve用作动词，表示“达到、完成、成功”。I believe you will achieve your dream in the end.13. Why do so many people try to climb this mountain even though it is dangerous. (P. 51) even though意为“即使、虽然”，相当于even if，引导让步状语从句。Even though Frank left school at 16, he still became a successful writer.Section B1. weighs 5,0000 kilos (P. 53) weigh此处作动词，表示“有重”，名词是weight。The baby weighed about 5 kilometres.What is his weight?2. This elephant weighs many times more than this panda. (P. 53) “倍数+比较级+than”表示“比大/多多少倍”。The room looks three times bigger than that one.3. At birth, a baby panda is about.(P. 53) at birth表示“出生时”。The baby weighed three kilometres at birth.4. A panda can live up to.(P. 53) up to表示“达到（某种数量或者程度）”The theatre can hold up to 500 people.【拓展】be up to sb.“由某人决定”You can leave today or tomorrow. It is up to you.5. Panda keepers are preparing milk for the baby pandas breakfast. (P. 54) prepare for sth.“为做准备”They are preparing for the party tonight. prepare.for.“为准备”We should prepare some sweets for Childrens Day. be prepared for“为作准别”The players are well prepared for the match.6. At 9:00 a.m., they find that most of the babies are already awake and hungry. (P. 54) awake用作形容词，表示“醒着的”，反义词是asleep。Is the baby asleep or awake?7. Another 300 or so live in zoos or research centers in China and other countries. (P. 54)or so意为“大约”，放在数量词后面，表示大约的概念。There are 30 workers or so in the factory. 【重点短语和句型归纳】重点短语1. as big as 与一样大2. one of the oldest countries 最古老的国家之一3. feel free to do sth. 随意地做某事4. as far as I know 据我所知5. man-made objects 人造物体6. part of 的组成部分7. the highest mountain 最高的山脉8. in the world 在世界上9. any other mountain 其他任何一座山10. of all the salt lakes 在所有的咸水湖中11. run along 跨越12. freezing weather 冰冻的天气13. take in air 呼吸空气14. take in 吸入；吞入（体内）15. in the face of difficulties 面对困难16. give up doing sth. 放弃做某事17. achieve one s dream 实现某人的梦想18. the forces of nature 自然界的力量19. reach the top 到达顶峰20. even though 虽然；尽管21. at birth 出生时22. be awake 醒着23. run over with excitement 兴奋地跑过去24. walk into sb. 撞到某人25. fall over 摔倒26. the first person to do sth. 第一个做某事的人27. every two years 每两年28. cut down the forests 砍伐林木29. endangered animals 濒危动物30. fewer and fewer pandas 大熊猫越来越少