【前10分钟】检查和复习。10’
lesson 111 - the most expensive model &
lesson 112 - how do they compare? as...as...not as...as...
一、教学重点。
1、词汇：形容词的比较级和最高级（多音节词）。
2、句型：同级比较as...as...not as...as...
二、教学步骤。
第一节课】1、引入话题（详见右框）。3’
2、听一遍音频，掌握大意。2’
3、生词解读，纠正发音（详见课本）。5’
4、提出问题：can mr. frith buy the television on instalments?
how does it work? 看一遍**，解答问题。3’
5、精讲课文，板书和笔记（详见下文）。25’
6、再听一遍音频，逐句跟读。2’
第二节课】1、角色扮演，朗读课文。10’
2、讲解多音节词的比较级和最高级（详见下文）。5’
3、讲解同级比较（详见下文）。10’
4、根据**演练lesson 112的句型（详见课本）。15’
5、绕口令。10’
第三节课】1、做228页的书面练习。10’
2、听写lesson 111的单词，记忆法指点。10’
3、听一首英文歌曲。7’
4、背课文比赛。20’
5、总结本课重点，让学生标注（详见上文）。2’
6、布置作业：练习册，背课文和单词。1’
三、精讲课文。
1、how much does it cost? =how much is it? 多少钱。
cost 花费，主语是物。例句：the book costs ten yuan.
2、it's the most expensive model in the shop. 形容词的最高级。
多音节词：expensive-more expensive-the most expensive
单音节词：dear-dearer-the dearest
3、it costs five hundred pounds.
具体几百：two hundred students
大约数百：hundreds of students
几百元钱：five hundred pounds/dollars/yuan
4、that's too expensive for us.【回顾lesson 103】
5、we can't afford all that money.
afford some money/time负担得起（金钱/时间），及物动词。
例句：we can’t afford that television. he’s too busy and he even can’t afford an hour for lunch.
6、this model's less expensive than that one. 形容词的最高级。
多音节词：expensive-less expensive-the least expensive
单音节词：cheap-cheaper-the cheapest
7、it's only three hundred pounds. 注意副词only的位置。
8、it's not as good as the expensive one.
as...as...和…一样…；not as...as...不如…那样…
例句：the french test is as difficult as the english test.
he is not as tall as his brother. he doesn’t run as fast as his brother.
9、the other model's more expensive, but it's worth the money.
the other 两者之中的另一个。worth [adj.] 值得，后加金钱或时间。
10、can we buy it on instalments?
buy sth. on instalments用分期付款的方式买东西。例如：he bought his house on instalments.
11、you can pay a deposit of thirty pounds, and then fourteen pounds a month for three years.
pay 支付，主语是人。例句：i paid two yuan for a drink.
a deposit of...的预付定金。a deposit of 30%。bank deposit 银行存款。
and then 然后。..a month 每月（付）多少，月供…。for + 时间段：持续多长时间。
12、do you like it, dear?
这里的dear不是“贵”的意思，而是“亲爱的”= darling = honey
13、i certainly do, but i don't like the price.
certainly = of course 当然。这里的do代指的是like it，助动词相当于实义动词的影子。
price **，价钱。例如：the price is high/low.
what’s the price of the television?
it’s worth the price.
14、you always want the best, but we can't afford it.
always 总是，一直。一般现在时的标志性频率副词。the best (television/thing)
15、sometimes you think (that) you're a millionaire! 宾语从句。
sometimes 有时。一般现在时的标志性频率副词。think 想，以为。
16、millionaires don't buy things on instalments!
故作严肃，英国人的小幽默。
四、总结与练习。
1、形容词的比较级和最高级：
变化规则：
1）规则变化：
多音节及某些双音节词，+more/most：
difficult-more difficult-the most difficult，tired-more tired-the most tired
固定句型：
原级（同级比较）：
he is as tall as me.
he is not as tall as me.
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