江苏新版牛津英语7B-Unit-7-知识点

Unit 7 Shopping

Part One Comic strip

重点全解

1、Believe it or not.（P 80）

believe it or not意为“信不信由你”，是由whether you believe it or not变化而来，通常置于句首，后面加逗号，再接主句。

例如：Believe it or not, I heard from Xie Na.

2、Look out, Eddie.（P 80）

look out意为“留神；当心，小心”，多用于口语中，用来提醒人们注意当前的危险状态或不安全的场所及事物等，与be careful意思相近。

例如：Look out! The car is coming.

3、People have different abilities.（P 80）

ability此处用作可数名词，意为“能力”，形容词是able，意为“有能力的”。

①表示抽象意义的“能力”，为不可数名词。

例如：He is a man of ability.

②表示不同种类的能力时，为可数名词，可用复数形式。

例如：Different people have different abilities.

③侧重指智慧、天资、天分等方面的意义时，可数或不可数均可，有时还可用复数形式。

例如：The girl has a great musical ability. Everyone admired his abilities.

④表示有能力做某事或具有做某事的能力等，其后通常要接动词不定式。

例如：I think Kitty has the ability to be our monitor.

Part Two Welcome to the unit

B

重点全解

1、We can send some to them.（P 81）

send及物动词，意为“邮寄，发送，派遣”。send sth to sb=send sb sth，意为“把某物寄给某人”，但当send后表示的词是代词时，只能用send sth to sb形式，而不能用send sb sth形式。

例如：They sent me a box of toy.=They sent a box of toy to me.

与send有关的短语：

send for意为“派人去叫，派人去请”

例如：He is ill. Please send for a doctor.

send away意为“撵走，开除”

例如：The boss sent him away.

send up意为“发射”

例如：Man-made satellites have been sent up into space by many countries.

2、Some families are not even able to pay for pens and notebooks.（P 81）

(1)be able to意为“能，会”，表示能力，与can同义。

例如：In the future, students will be able to study at home with the help of computers.

辨析：be able to 与can

① be able to强调通过努力而获得的能力，而can强调自身已具有的能力。

例如：She can sing the song in English.

He will be able to sing this song in English, too.

② be able to 强调一种结果，而can只强调一种可能。

例如：Luckily, he was able to escape from the fire in the end.

If he got here a few hours earlier, I could save him.

③ be able to可以表示各种时态，而can只有一般现在时和一般过去时两种时态。

例如：I could help you last night, but you didn’t come.

Can you see it there?

He is /was /will be able to help you.

（2）pay for意为“为...付款”，在句中常见的结构形式有：

① pay (sb) money for sth付钱给（某人）买某物

例如：I have to pay them 20 pounds for this room each month.

② pay for sth付某物的钱

例如：He couldn’t pay for the car at that time.

③ pay for sb替某人付钱

例如：Don’t worry! I’ll pay for you.

④ pay sb付钱给某人

例如：They pay us every month.

⑤ pay money back还钱

例如：May I borrow 12 yuan from you? I’ll pay it back next week.

3、We can raise some money for them to buy these things.（P 81）

raise及物动词，意为“募集”。raise money for...意为“为...筹钱”。

例如：The students are raising money for a sick girl.

raise作及物动词时，还可意为“举起，提高，饲养”。

例如：Please raise your hand to answer this question.

Don’t raise your voice.

Some people raise cows in my hometown.

Part Three Reading

重点全解

1、He was brave enough to save his neighbour from a fire. （P 82）

（1）brave形容词，意为“勇敢的”。

例如：He is a very brave boy.

（2）save及物动词，意为“救，救助”。save...from意为“从...中救出...”。

例如：The man saved a boy from the river yesterday.

save作及物动词还可意为“节约”。

例如：It is important for us to save water.

2、Suddenly, he heard someone shouting“Fire! Fire! Help!”（P 82）

hear sb doing sth意为“听到某人在做某事”。

例如：Do you hear someone singing in the next room?

辨析：hear sb doing sth与hear sb do sth

① hear sb doing sth指听见某人正在做某事，强调听到的动作正在进行。

例如：When I went back to my room, I heard her reading English in the next room.

② hear sb do sth指听到某人做了或经常做某事，强调听到所做的事情已经结束或是经常性的行为。例如：I heard her come in and go upstairs.

I often hear the girl play the violin in the park.

3、He went in and found his neighbour, the 79-year-old Mrs Sun, in the kitchen. （P 82）