2020年春人教新目标英语八年级下册
Unit7 what’s the highest mountain in the world ? 知识点
一、 重点短语：
1. run through 穿过 2. run into 流入
3. in the world 在世界上 4. in the end (=finally ) 最后
5. lie in ( locate in ) 位于 6. …meters high( long , wide) …米高（长，宽）
7. fell free to do sth 做某事无需拘束 8. as far as I know 据我所知
9. the Ming Dynasty 明朝 10. the ancient emperors 古代帝王
11. the great wall 长城 12. freezing 冻冰的；结冰的
13. take in 吸入；吞入（体内） 14. in the face of 面对（问题、困难等）
15. as … as … 与…一样 16. at birth 出生时；刚出生
17. fall over 向前摔倒、跌倒 18. play with sb ( play with sth)和某人一起玩 (玩某物)
19. cut down 砍倒；裁短 20. the pacific ocean 太平洋
讲一讲１ 形容词与副词的比较级与最高级 （section A）
常用结构 | 例 句 | |
原级 | as ... as... 和……一样 | Zhang Hong is as tall as Tom. 张红和汤姆一样高 |
比较级（两者之间的比较） | 形容词比较级＋than ... | He is taller than I. 他比我高 He is more careful than I 他比我更仔细 |
最高级（三者或三者以上的比较） | the + 形容词的最高级＋of / in ... | He is the tallest of the three. 他是这三个人中最高的 she is the most beautiful in her class. 她是她们班最漂亮的。 |
形容词、副词比较级和最高级规则变化和不规则变化。
规 则 变 化 | 一般情况下，单音节或双音节的形容词（或副词）比较级＋er ， 最高级＋est | 如：clever－cleverer－cleverest few－fewer－fewest small－smaller－smallest等 |
以e结尾的词，比较级＋r，最高级＋st 即可 | 如：nice－nicer－nicest cute－cuter－cutest | |
以辅音字母＋y结尾的变y为i＋er或est | 如: easy－easier－easiest happy－happier－happiest | |
双写最后一个辅音字母＋er 或 est的词 | 1.fat－fatter－fattest 2. thin－thinner－thinnest 3. hot－hotter－hottest 4. red－redder－reddest 5. wet－wetter－wettest 6. big－bigger－biggest | |
多音节和部分双音节的词需要在形容词原级前＋more构成比较级，＋the most构成最高级。 | beautiful － more beautiful － the most beautiful useful － more useful － the most useful | |
不 规 则 变 化 | good —better — best well —better — best bad－worse － worst many, much — more — most far — farther —farthest (距离远) far — further — furthest (程度深) old — elder — eldest (长幼) old — older —oldest (年龄) | |
能修饰比较级的词（表程度）
Much a bit a little even
如：it’s much colder today than it was yesterday . 今天比昨天冷得多。
练一练１ 比较级与最高级专题练习
1. My brother is ___ more outgoing than me.
A. many B. little C. much
2. October 12th was one of ______ days in 2005. Shenzhou-VI was launched (发射）successfully.
A. exciting B. more exciting C. the most excitingless is more代言人
3. Which city is ______, Beijing, Shanghai or Fuzhou?
A. beautiful B. more beautiful C. the most beautiful
4. _____ children there are in a family, ____ their life will be.
A. The less, the better B. Fewer, richer C. The fewer, the better
5. Mobile phones are very popular now and they are ______ than before.
A. cheap B. cheaper C. the cheapest
6. In our city, it’s _____ in July, but it’s even ___ in August.
A. hotter, hottest B. hot, hot C. hot, hotter
7. Of the two skirts, the pink one is ______.
A. the nicest B. the nicer C. nicer
8. Jack’s handwriting is as ____ as Mike’s.
A. good B. better C. best
9. We can do the work better with ____ money and ______ people.
A. little, few B. less, fewer C. fewer, less
10. Jim is the tallest student in our class and Tom is the second ______ one.
A. tall B. taller C. tallest
11. 在下列横线填上合适的词。
（１）Kate is young, but Joe is _______.
（２）Her bag is heavy, and his is ______ than hers. But yours is ___________ of all.
（３）Tom’s kite is high. Jim’s is ______ than Tom’s. Mike’s is __________ of them all.
（４）Bill is seven. John is nine and Tom is eleven. Tom is ______ than John and Bill. Bill is _______
than John. Bill is ____________ and Tom is ___________ of the three.
（５）I think English is as _________ as Chinese. (important)
讲一讲２
1. China has the biggest population in the world. 中国是世界上人口最多的（国家）。
（１）表示人口的“多”或“少”时，用big / large或small修饰。
如：The population of France is smaller than that of America. 法国人口比美国人口少。
China has the largest population in the world . 中国是世界上人口最多的（国家）。
（２）询问“多少人口”时，问程度用“how large… ？”；问数量用“what …… ?”。
如：what’s the population of HangZhou? = How large is the population of HangZhou ?
杭州的人口是多少？
（３）表达某一地区或某一国家“有多少人口”时，用下面两种形式：
① “地区或国家”+ has a population of + 具体数量
如：china has a population of 1.3 billion 中国有1.3亿人口。
② the population of +“地区或国家”+ is + 具体数量
如：The population of china is 1.3 billion . 中国有1.3亿人口。
（４）population 意为“人口”，作主语用时，谓语动词一般用单数形式。
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