APP下载

新目标英语七年级(上)Unit 7重难点精讲精练

2008-11-21康俊民

中学生英语·阅读与写作 2008年11期
关键词:基数词单数复数

康俊民

问:look, watch, see三个词都有“看”的意思,请您讲讲它们之间的区别好吗?

答:好的!look意为“看;瞧”,指“集中注意力看;有意识地看”,主要强调“看”的动作,常与at连用;watch意为“观看;注视”,常用来表示“看电视;看球赛”等;see意为“看见;看到”,强调“看”的结果。例如:

Look at the butterflies. Theyre so nice. 看这些蝴蝶,它们多漂亮啊。

I often watch soccer matches on TV. 我经常在电视上看足球比赛。

I can see a bird in the tree. 我能看见一只鸟在树上。

问:how many 与how much都是用来提问“多少”的,那么两者有何区别呢?

答:how many与how much都意为“多少”,均用于特殊疑问句的句首,但它们的用法有所不同。how many用在复数名词前,当双方都知道是什么时,how many之后的名词也可以省略。例如:

How many rooms are there in your home? 你家有多少个房间?

—How many (apples) do you want? 你要多少(苹果)?

—Two. 两个。

how much用在不可数名词前,也可用来询问价格或运算结果。例如:

How much bread do you need? 你需要多少面包?

How much is the computer? 这台电脑多少钱?

How much is two and three? 2加3等于多少?

问:Ill take it. 和Ill take the socks! 这两个句子中take意为“购买”,但是take还含有“拿走;带走”的意思,究竟以哪个意思为准?

答:take可以表示“拿走;带走”,但它也有“购买”的意思。Ill take it.和Ill take the socks! 这两个句子常出现在营业员与顾客的对话中。take多指“拿走;带走”,但在买东西时,当顾客准备买下某物时常说Ill take ..., 意为“我要买……”。例如:

Ill take this hat. 我要买这顶帽子。

Take it away, please. 请把它拿走。

问:表示“购买”时,能否用buy来替换take?

答:虽然take和buy都可以表示“购买”这个意思,但是在口语中,当某人决定买某商品时,经常用take而很少用buy。如果用buy,虽然意思没错,但会显得你的英语不地道。例如:

—How much is this pair of pants? 这条裤子多少钱?

—They are 50 dollars. 五十美元。

—OK. Ill take them. 好的,我将买下。

问:本单元学习了购物用语,可我对价格的询问方式还不是很清楚,您可以帮我归纳一下吗?

答:可以。对价格进行询问时,我们常用到How much is / are ...?这一句型。如果询问表示单数意义商品的价格,用How much is...?如果询问表示复数意义商品的价格,用How much are ...?例如:

How much is your sweater? 你的毛衣多少钱?

How much are these hats? 这些帽子多少钱?

对价格进行询问时,还有另外一种表达方式:Whats the price of ...?使用这一句型时,无论被询问的商品是单数还是复数,be动词都用is,不能用are。例如:

Whats the price of the book? 这本书多少钱?

Whats the price of these books? 这些书多少钱?

问:基数词的构成有什么规律可循吗?如何才能轻松掌握它们呢?

答:只要记住下面的口诀,相信你就会轻松牢记基数词的。

基数词不难记,找出规律很容易:

零至十二各相异,一个一个单独记;

后加-teen变十几,thirteen, fifteen看仔细,

eighteen更要准确记,其中只有一个t;

二十至九十加-ty;twenty却是很奇怪,

forty本身也不乖,跟着也把规则坏,

thirty, fifty更厉害,和eighty一起搞例外;

十位后面个位倚,表示数字“几十几”,

排列顺序不费力,连字符号莫丢弃;

要表“几百几十几”,and常把百、十系,

还有一项需注意,“几百”后别把-s立;

巧学妙记加练习,hundred就是你的好成绩。

问:英语中表示“感谢”的使用场合很多,怎样才能对它们灵活运用,让别人刮目相看?

答:Thank you.是表示“感谢”最普通的用语。它适用的范围很广:

1. 感谢对方对你的帮助。例如:

Thank you for your help. 谢谢你帮了我的忙。

2. 应答别人的赞扬、祝贺等。例如:

—Your bag is lovely. 你的书包很可爱。

—Thank you. 谢谢。

—Happy Teachers Day! Mr Li. 李老师,教师节快乐!

—Thank you. 谢谢。

3. 表示接受对方的提议。例如:

—Have a drink of water. 喝点水吧。

—Thank you. 谢谢。

4. 表示婉言拒绝对方的提议。例如:

—Would you like a cup of milk? 来杯牛奶怎么样?

—No, thank you. (或No, thanks.) 不,谢谢。

5. 表示接受对方的请求。例如:

—Please remember me to your friend. 请代我向您的朋友问好。

—Thank you (或Thanks), I will. 好的,我一定代你问候。(不宜译成“谢谢”。)

6. 表示有人向你问候时的答语。例如:

—Hello, how are you today? 喂,你今天好吗?

—Very well, thank you. 很好,谢谢。

7. 表示自己的演说终了时的结尾语。例如:

Thats all I want to say. Thank you. 我要说的就是这些,谢谢诸位。

8. 应答别人的提醒或告诫。例如:

—Be careful! 当心点!

—Thank you. 谢谢提醒。

小试牛刀

Ⅰ. 单项选择。

()1. I cant ______ my bag on the desk.

A. look B. watch C. see D. look at

()2. —______ are the pants?

—They are 38 dollars.

A. What B. Who

C. How much D. How

()3. —How much are these apples?

—______.

A. Five yuan a kilo (公斤)

B. They are dear (贵的)

C. They are red

D. They are big

()4. —Here are your books.

—______.

A. All right B. Thank you

C. Thats right D. OK

()5. —How much ______ the backpack?

—______ 8 dollars.

A. is; Its B. is; Theyre

C. are; Theyre D. are; Its

()6. —How much is thirty and ten?

—______.

A. Forteen B. Fourteen

C. Forty D. Fourty

()7. —______?

—Yes, please. I want a notebook.

A. Is this your notebook

B. What is this

C. Can I help you

D. How much is it

()8. —Your yellow sweater is very nice.

—______.

A. Thank you B. Not at all D. No, no D. No, it isnt

()9. The socks are very cheap. Ill ______them.

A. has B. bring C. take D. have

()10. What ______ the price of the computer?

A. are B. is C. has D. have

Ⅱ. 句型转换。

1. Can I help you? (改为同义句)

______ can I ______ ______ you?

2. The blue socks are 6 dollars. (对划线部分提问)

______ ______ ______the blue socks?

3. help, can, you, me (连词成句,注意标点符号)

__________________________________?

4. How much are your English books? (改为同义句)

______ _____ the ______ ______ your English books?

Ⅲ. 情景交际。重新排列下面句子,使其组成一段完整的对话。

A. Can I help you?

B. Youre welcome.

C. OK. Ill take them. Thank you.

D. They are 45 dollars.

E. Yes, please. How much are these pants?

1. ______ 2. ______ 3. ______

4. ______ 5. ______

Keys:Ⅰ. 1~5 CCABA6~10 CCACBⅡ. 1. What; do for2. How much are3. Can you help me4. What is; price of Ⅲ. 1~5 AEDCB

猜你喜欢

基数词单数复数
评析复数创新题
单数和复数
求解复数模及最值的多种方法
数系的扩充和复数的引入
复数
初中英语数词的学习与用法
走迷宫
单数和双数
中考数词考点面对面
基数词变序数词