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  Unit 23 Mainly revision    3星级
Unit 23 Mainly revision
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1. 词汇
短语及常用表达法:

a glass of orange juice一杯橘汁
some pieces of bread
几片面包
be good at
擅长……
too hard for sb.
对某人来说太难了
go to the park
去公园
in the middle of
……中间
throw … to …
……扔给……
jump into
跳入
How big is it?
它有多大?
be full of
装满,盛满
Let me see.
让我想想。
have a meeting
开会
learn from each other
互相学习
help each other互相帮助

2. 交际用语和句型
复习和巩固17~22单元主要的日常交际用语。
(1)请求、提供和接受帮助
Could you help me?
Can you give me a hand?
What's wrong with … ?
Let me help you.
I want to do ….
(2)表达需要和请求允许
Could I have a glass of orange juice?
May I have a look at your ticket?
Can I get you something to drink? Yes, please.
May I come on Monday evening?
(3)表示询问和征求意见
Do you want a go?
Could you come on Tuesday afternoon?
How about Wednesday afternoon?
What would you like?
Do you have tea?
What about … ?
What's your favourite sport? I like … .
It's time for supper.
(4)借用物品
May I borrow … ? Certainly.
Please bring it / them back next Friday.
Do you have … ?
(5)打电话
This is … .
May I speak to …, please ?
(6)用形容词描绘人和物 The girl has long hair. Her hair is yellow. Her eyes are big and brown. Her mouth is small. She is tall. She is wearing a red dress.
(7)谈论正在发生的动作 What are you doing?
I'm doing … .

一. 课文讲解
(1)为什么有的问句用can,有的问句用could,它们是一回事吗?
Can I get you something to drink? 我给你来点喝的好吗?
Could I have a glass of orange juice? 我能喝一杯橘汁吗?

说明:
  
以上两句话中的can和could在含义上没什么区别,都表示建议或请求。但是could的
语气更加客气和委婉。又如:
  Could we start earlier?                我们可以早点动身吗?
  Could you go there with me?             你能跟我一起去那儿吗?
  Could you take the books to the classroom?     请你把这些书带到教室去好吗?

(2) Do you have a big breakfast? 为什么句中breakfast前加了不定冠词a呢?

说明:
  一般情况下,表示一日三餐的名词前不加冠词,但是当有形容词修饰三餐的名词时,它们的前面
要加不定冠词a(an)。又如:a good lunch

(3) One of the boys _______ English.(is, are )

说明:

  one of…意为"……
中之一",短语one of the boys的中心词是one,所以当这个短语作主语时,
谓语动词要用单数形式。如:
 One of the apples is green. 其中有一个苹果是绿色的。
 One of them is a doctor. 他们当中有一个人是医生。 故此题答案是 is。

(4) 用所给词的正确形式填空:
  Miss Yang is giving some_______ and drinks to the children. (food)

说明:

  此题考查的是可数名词与不可数名词的区别。句中some同时修饰food和drink。drink是可数名词,
用复数形式;food是不可数名词,用原形。故答案是 food。

(5) 用closing或closed填空:
  The post office is _______at this time every day.

说明:
  此题可译为"邮局每天在这个时候关门。"closing 是动词现在分词形式,表示动作正在进行。如:
He is closing the door. 他在关门。而closed可看成是形容词,表示一种关闭或不营业的状态。如:
The door is closed. 门是关着的。

(6) 选择正确的答语:
Are the trousers blue or green?
A.Yes,they are. B.No,they aren't. C.They are blue. D. It's green.

说明:
  此题考查的是选择疑问句的回答方式。选择疑问句不能用yes或no回答,因此排除选项A和B。它的
答语一般选择其中一种作为回答。trousers是复数形式,应选They are blue。故正确答案是C。

(7) 补全下列对话:
  Mike:May I borrow your dictionary?
  Jack:(1)_______,I don't have one.Ask Lily. I think she has one.
  Mike:OK. Thanks. Hi Lily.Could I borrow your dictionary?
  Lily:(2)_______. Here you are.

说明:

  此题考查的是"请求帮助"的用语。从Jack的答语"I don't have one"可以知道他没有字典。出于礼
貌,习惯先用"sorry"表示歉意。因此第一个空填 Sorry。Here you are是肯定回答,故第二个空答案
是 Certainly/OK/Sure。

(8) 用take或bring填空:
  Please________ your homework here,Mike.

说明:
  此题考查的是区分take与bring用法。take译为"拿走",常与away,out,there等词连用;bring
译作"拿来",常与back,here等词连用。题目中的here 表示把作业带来,故正确答案是bring。

(9) They are our new reading books.这句是现在进行时吗?

说明:
这句话不是现在进行时。reading在句中不是和are一起构成进行时,而是用来修饰名词books,意为"阅
读的",表示books的用途。如:
I want to buy some writing books. 我想买一些有关写作的书。

2. 语法讲解
(1) 根据中文意思,完成下列句子。
1) 一些女孩正在做蛋糕。
 ________ girls_________ ___________ ___________ now.
2) 一个男孩正在树下修理自行车。
 A boy _______ ___________ a bike __________ the tree now.
3) 四班的学生正在教室里做作业。
 ________ __________ of Class Four _________ __________ their homework in the
 classroom now.

说明:

  现在进行时态是用来表示说话时(说话瞬间)正在进行或发生的动作。使用现在进行时,要特别注
意以下两点:
1)现在进行时的谓语部分是由be + 现在分词构成,两者缺一不可。
2)be动词要随句子中的主语而变化,它在人称和数上与主语保持一致。

本题答案:
1. Some girls are making cakes now.
2. A boy is mending a bike under the tree now.
3. The students of Class Four are doing their homework in the classroom now.

3. 误点剖析
(1) 选择填空:
  "Can I get you _______ to drink?"
  "Yes,please."
  A.anything   B.something   C.nothing   D.everything

说明:

  此题考查的是区分something与anything的用法。anything一般情况下用于疑问句和否定句中,
something一般用于肯定句中。但在表示请求或征求意愿的疑问句中一般用something,不用
anything。故正确答案是B。

(2)There is ________ difference.(not, no )

说明:
  句中能否既填no又填not?不行。not不能直接修饰名词,no则可以直接修饰名词。no修饰单数可
数名词时相当于not a(an),修饰不可数名词或复数名词时相当于not any。因此,这句话相当于There
are not any differences。故此题答案是 no。

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