人教新目标 (Go for it) 版八年级下册Section A教案
展开— What’s the highest muntain in the wrld?
— Qmlangma.
— Hw high is Qmlangma?
— It’s 8,844.43 meters high. It’s higher than any ther muntain.
— Which is the deepest salt lake in the wrld?
— The Caspian Sea is the deepest f all the salt lakes.
— Did yu knw that China is ne f the ldest cuntries in the wrld?
— Yes, I did. It’s much lder than the US.
Step 1 Grammar
形容词和副词比较级和最高级变化规则
规则变化
1) 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。
2) 以e结尾的词,比较级+r,最高级+st 即可。 如:
nice-nicer-nicest cute-cuter-cutest large-larger-largest
3) 以辅音字母+y结尾的变y为i+er或est。如:
easy-easier-easiest
happy-happier-happiest
再如:early, busy, heavy, dirty, lazy也如此。
少数单音节词也是这样,如:
pleased-mre pleased-the mst pleased
tired-mre tired-the mst tired
2. 不规则变化:
gd —better — best well —better — best
bad-wrse - wrst
many / much — mre — mst
far — farther —farthest (距离远)
far — further — furthest (程度深)
ld — elder — eldest (长幼)
ld — lder —ldest (年龄)
Step 2 中考链接
比较级考点
① 比较级修饰问题
a little, a bit, even, still, much, a lt, far 等可修饰比较级。
e.g. Tm is a little taller than Jim.
This bk is much mre interesting than that ne.
② 同级比较
e.g. The weather in Beijing is clder than that in Xi’an.
Our schl is bigger than yurs.
③ the + 比较级
e.g. Lucy is the fatter f the tw girls.
④ “a/an + 比较级” 表示“又一,再一”
e.g. Lily has a dll, but she wants a bigger ne.
⑤ 隐性比较(没有than的情况)
e.g. Wh runs faster, Lucy r Lily?
Yu’d better cme earlier next time.
He wrked hard last term, but he wrks even harder this term.
⑥ 越来越
比较级 + and + 比较级
b. the + 比较级 + 句子,the + 比较级 + 句子
e.g. It’s getting clder and clder.
The mre yu exercise, the better yu are.
2. 最高级考点
说明:形容词的最高级前必须加the; 副词的最高级前省略the。
① 范围问题
e.g. Tm is the tallest student in the class.
Spring is the best seasn f the year.
② “之一”问题
e.g. Beijing is ne f the biggest cities in the wrld.
③ “the + 序数词 + 最高级”
e.g. I think he is the secnd tallest by in his class.
3. 比较级和最高级的转换
e.g. Tm is the tallest student in the class.
= Tm is taller than any ther student in the class.
= Tm is taller than all the ther students in the class.
= N ther students are taller than Tm.
2. 同级比较
① as + adj./adv. + as
e.g. She is as thin as Lily.
He writes as carefully as Linda.
② nt + as/s + adj./adv. + as
e.g. Tny didn't run s fast as Carter
学以致用
1. Our family has bught a car s we can travel _____ than befre.(2008陕西)
mst easily B. less easily
C. easily D. mre easily
2. My father tld me a stry last night. It is ____ ne I’ve ever heard.(2009陕西)
the funniest B. funniest
C. funnier D. the funnier
3. The _____ friends yu have, the ____ yu will be.(2010陕西)
A. mre, happy B. many, happy
C. mre, happier D. many, happier
4. When he heard a cry fr help, he ran ut as _______ as he culd.(2011陕西)
hardly B. quickly
C. finally D. slwly
5. This place is nt big enugh fr Lucy’s birthday party. We shuld find a _____ ne.(2012陕西)
big B. small
C. bigger D. smaller
Step3 Writing
Write five questins using cmparisns. Then ask yur partner yur questins
Step 4 Fill in the blanks with the crrect frms f the wrds in the bx.
big much ppular lng ld high
1. The Amazn River is ne f the _______ rivers in the wrld. It’s a little _______ than the Yangtze River.
2. Qmlangma is 8,844.43 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.
Step 5 Write tw cmparisns abut tw tpics. Write true facts.
e.g. Tw rivers: the Yangtze River and the Amazn River
The Yangtze River is almst as lng as the Amazn River.
The Amazn is lnger than the Yangtze, but the Yangtze River is the lngest river in China.
Tw cities: ___________ and ___________
1. _______________________________________________________________.
2. _______________________________________________________________.
Tw animals: ___________ and ___________
1. ______________________________________________________________.
2. ______________________________________________________________.
Step5 Hmewrk
1. T memrize the imprtant phrases and sentences.
2. T make sme sentences using as … as, ... times … than, less than, mre than
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