初中英语人教新目标 (Go for it) 版八年级下册Section A教学课件ppt

这是一份初中英语人教新目标 (Go for it) 版八年级下册Section A教学课件ppt，共14页。PPT课件主要包含了Review，课时重点回顾，higher， Ready，Practice，longest，longer，high，popular，big等内容，欢迎下载使用。
Sectin A 3 Grammar fcus~4a
形容词及副词的原级、比较级和最高级。
1) China has the biggest ppulatin in the wrld. 2) It’s a lt bigger than the ppulatin f the US.3) China is ver 5000 years ld. It has a much lnger histry than the US. 4) China is almst as big as the US, and it is the biggest cuntry in Asia.
大多数形容词有三个级。 1. 原级:Structure : as ... as... 像..….一样 e.g. Tim is as tall as Tm. 2. 比较级 (用于两者之间的比较):Structure：形容词比较级＋ than ... e.g. This bx is bigger than that ne.
形容词和副词的比较级和最高级
3. 最高级(用于三者或三者以上的比较):Structure: the + 形容词的最高级＋f / in ... e.g. Tm is the heaviest in ur class. He is the mst ppular in ur schl.
1) Qmlangma is ______than any ther muntain in the wrld.2) The Sahara is __________ desert in the wrld.3) The Caspian Sea is __________ f all the salt lakes.4) The Nile is ___________ river in the wrld.5) What’s __________ muntain in the wrld?
Fill in the blanks.
the biggest
the deepest
the highest
Fill in the blanks with the crrect frms f the wrds in the bx.
big much ppular lng ld high
The Amazn River is ne f the _______ rivers in the wrld. It’s a little _____ than the Yangtze River.Qmlangma is 8,848.43 meters _____. It’s ne f the mst ________ places fr serius muntain climbers.
3. N cean in the wrld is as ___ as the Pacific Ocean.4. Althugh Japan is _____ than Canada, it is _____ smaller.
　1. -Which is ____ seasn in Beijing? (2003年) 　　-I think it's autumn.　　A. gd B. better C. best D. the best
该题的核心词为seasn。根据比较级与最高级的知识, 两者之间用比较级, 而三者或三者以上用最高级, 北京有四季, 因此本题应选择最高级。又因为形容词最高级前要加定冠词the, 因此答案为D。
2. - Which is__________ , the sun, the mn r the earth?(2004年)　　-- Of curse, the mn is.　　A. small B. smaller C. smallest D. the smallest　　解析：正确答案为D。该题的核心词在第一句句尾，"the sun, the mn r the earth", 提问的对象为三者，应该选择最高级。
　　3. The air in Beijing is getting much _____ nw than a few years ag.(2005年)　　A. clean B. cleaner C. cleanest D. the cleanest　　该题的核心词为than，than一词是比较级的标志。