七年级单元知识复习7

1、Unit 7 How much are these socks?知识点复习1.How much is it?它多少钱？ 对价格提问，用how much.不用how much money. How much 后面的be动词随着主语的变化而变化。如：How much are these socks? How much is it? = Whats the price of it?注意回答的不同。如，How much are these socks？回答： Whats the price of these socks?回答：联想：The price of these socks _ 5 dollar

2、s.2.Can I help you?我能为你服务吗？ 这是在商店里购物常用的一句话。肯定回答：Yes, please.否定回答：No, thanks/thank you. Can I help you? = What can I do for you? 注意两者回答的不同。3.I need a sweater for school.我需要一件毛衣上学穿。 needfor 固定搭配，需要来，其中for表目的，如I need some color pencils for this afternoons art class.注意这里的介词用for而不是to。又如：I need a sports b

3、ag= I need a bag for sports. I need a pair of black shoes for school. need的用法见重点单词解析。4.What color do you want?你想要什么颜色？ 对颜色提问，一律用what color，不用what colors.如：What color do you like? I like green and blue.(注意千万不要把blue写成bule)5.It looks nice.它看起来很漂亮。 looks此处是系动词，看起来。后面接形容词做表语。如This pair of shoes looks gre

4、at.与look有关的短语：look like看起来像。他看起来像他的爸爸。look the same 看起来一样 look for 寻找 look after 照顾 照看6.I will take it.我要买下来。 购物常用语。take 翻译成买下来。此处不用buy,因为buy是买。句型是buy sb sth. = buy sth. for sb.为某人买某物。请举例。从某处买某物 buy sth. from sp 例句：他在酷先生服装店里买了一些衣服。 it指代上文中的单身。如果是复数，记得要用them。7.Two dollars for one pair and three dolla

5、rs for two pairs.一双两美元两双三美元。 此处for表示价格，用法是 价格+for+具体物品 for的另一种用法是用在价格前，表示交换。如We have yellow sweaters for only 25 yuan.8.Come and buy your clothes at our great sale.来买衣服吧! 我们在大甩卖. and此处表目的。Come的目的是来buy your clothes. clothes衣服，没有单数形式。不能用one two three 等具体数词修饰，但可用these some 等修饰。 at our great sale，在

6、我们大甩卖的时候。9.We sell all our clothes at very good prices.我们以非常好的价格出售我们所有的衣服。 sell是动词，出售。而sale是名词，两者要区分清楚。sell sb sth.= sell sth. to sb.all our clothes 我们所有的衣服，all 和 our都修饰名词clothes。注意，all与其他限定词连用，一起修饰名词时，放在最前面，又叫排头兵。如：all the students all her clothes all these rooms 以的价格，用介词at。at very good / high / lo

7、w prices 以非常好/高/低的价格 具体的价格前可用for 如，We sell all our clothes for 10 yuan each.10.For boys, we have black trousers for only $22.对于男孩们，我们有黑色的裤子仅售22美元。for 对于。For boys,对于男孩们。for 用在价格前表示交换，此处不能用are。比较：The black trousers are only $22.11.For girls, we have skirts in purple for only $20.对于女孩们，我们有紫色的裙子仅售20美元。

8、skirts in purple,紫色的裙子。in purple,颜色前面用介词in,介词短语作定语用在所修饰词的后面。We have skirts in purple =We have purple skirts.但不能说成 We have in purple skirts.12.Come to Mr. Cools Clothes Store now.现在就来酷先生服装店。 come 来，来到。，用come to，如come to my home come to school Mr. Cools Clothes Store 是专有名词，所以每个单词的开头字母都得大写。有名字的店铺前不加the

9、。13.How about these purple ones.这些紫色的怎么样？ 这些紫色的，是复数形式，所以不能用one。需要在它的后面加复数。重点词汇解析：1. much pron& adj. 许多 大量 修饰不可数名词I dont have much money.比较：many 许多 修饰可数名词复数 There are many students in this room.比较some 既可以修饰可数名词复数也可以修饰不可数名词 some money some studentshow much how many 多少How much water do you drink? H

10、ow many books do you read?2.pair c 一双 一对 pairsa pair of shoes / socks / earringsHow much are those socks? They are eight yuan.How much is that pair of socks? Its eight yuan.3.need 需要 v + n. + to do I need a car. / a pair of shoes.I need to learn English.What do you need?联想：want would like4. 14 fourteen 40 forty 19 nineteen 90 ninety个位和十位之间必须有连字符 twenty-eight thirty-four28.price c 价格 复数 prices How much is this book ? Its 20yuan. Whats the price of this book? Its 20yuan. How much are these books? Theyre 20yuan. Whats the