unit 7 初中英语八下讲解

1、Unit 7 Whats the highest mountain in the world?1. as long as 和一样长2. one of the oldest countries 最古老的国家之一3. feel free to do sth. 随意做某事4. as far as I know 据我所知5. prepare for 为准备6. mountain climbing登山运动7. the highest mountain 最高的山脉8. many times 许多次9. up to 不多于10. of all the salt lakes 在所有的咸水湖中11. man-m

2、ade objects 人造物体12. freezing weather conditions 极冷的天气状况13. take in (fresh) air 吸入(新鲜)空气14. any other mountain 其他任何一座山15. in the face of difficulties /danger 面对困难/面对危险16. give up doing sth. 放弃做某事17. achieve one s dream 实现梦想18. the forces of nature 自然力量19. reach the top 到达顶峰20. even though 虽然;尽管21. at

3、 birth 出生时22. be awake/aleep 醒着/睡着23. run over to sb. 跑向某人24. walk into sb. 撞到某人25. fall over 拌倒 26. send sb. to some place 送；派某人去某处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31. be in danger 处于危险之中32. die from illnesses 死于疾病Patte

4、rns:1. It is adj. (for sb. ) to do sth.It is also very hard to take in a ir as you get near thetop.当你接近山顶时，连呼吸都会困难。2. . . . is because.One of the main reasons is because people want tochallenge themselves in the face of difficulties.其中的一个主要的原因是人们想要在面临困难时挑战自己。3. . . . show(s) that.The spirit of these

5、 climbers shows us that weshould never give up tryin g to achieve our dreams. 这些登山者的精神向我们证明：我们永远都不应该放弃实现自己的梦想。4. How high/ deep/. . . is . ?How high is Qomolangma?珠穆朗玛峰有多高？5. even though/even ifThis dress still loos perfect even though it has gone out this year.6. sb. spend time/money doing sth.Adul

6、t pandas spend more than 12 hours a day eatingabout 10 kilos of bamboo.Grammar1. - Whats the highest mountain in the world? - Qomolangma. 2. How high/ deep/. is . ? - How high is Qomolangma? 珠穆朗玛峰有多高？- Its 8844.43 meters high. 它有8844.43 米高3. - Which is the deepest salt lake in the world? - The Caspi

7、an Sea is the deepest of all the salt lakes. 大多数形容词和副词有三个等级大多数形容词和副词有三个等级：(1)原级，修饰词very, so, too, pretty, quite, really(2) 比较级，标志词：than, A or B, of the two, much/a lot /a little/ even甚至/any一些 +比较级(3) 最高级，the+ 最高级. in/of.(4) as (原级) as 与一样 as big as 与一样大 Liming is as tall as Jim. Jack runs as fast as

8、 Tom. not as /so (原级) as 不如 Lily is not as/so tall as Lucy. = Lily is shorter than Lucy.(5) a. one of the + 最高级 + 复数名词 “最之一 ”Yao Ming is one of the tallest players in NBA.b. the 序数词 + 最高级 + 单名 第几个最 Changjiang is the third longest river in the world.c. 比较级 + than any other + 单名 = the + 最高级 + 单名 比任何一个

9、其它的Jim is taller than any other boy in our class. = Jim is the tallest boy in our class.比较级与最高级变化规律：比较级与最高级变化规律：a. 直接er 或 estb. 以e结尾r或stc. 辅音加y结尾改y为ier或est (heavy-heavier)d. (辅+元+辅) 双写末尾字母er或est (big, wet, hot, fat)e. 特殊(不规则) good (well)-better-best little-less-least bad(badly)-worse-worst many(much

10、)-more-mostfar-farther-farthest (further更深层；furthest最深层) f. (部分双音节) 多音节单词加more或most (slowly, quickly, tired, famous, delicious, important)- What is the population of China? 中国的人口有多少? - The population of China is about 1.3 billion. one of the most popular places 最受欢迎的地方之一one of the oldest countries 1

11、. asleep2. protect, (n.)3. excite,(n.)4. keeper, (v.) Qomolangmathe Most Dangerous Mountain in the World?One of the worlds most _ _ is mountain _, and one of the _ _ _ for this is the Himalayas. The Himalayas _ _ the southwestern part of China. _ all the mountains, Qomolangma _ _ highest and is _ _

12、famous. It is 8,844.43 _ _ and so is very _ _ climb. Thick clouds _ the top and snow can _ very hard. Even more serious difficulties include freezing weather conditions and _ storms. It is also very hard to take in air as you _ _ the top.The first people _ _ the top _ Tenzing Norgay and Edmund Hilla

13、ry _ May 29,1953. The first Chinese team _ _ in 1960, while the first woman _ _ was Junko Tabei _ Japan _ 1975. Why do so many climbers _ their _? One of the _ reasons_ because people want to challenge themselves _ _ _ _ difficulties. The _ of these climbers _ us that we should never _ _ trying to achieve our dreams. It also shows that humans