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1、7B Un it 7 知识点梳理(上)- 知识点梳理一.词汇 &短语： WORDS&PHRASESi I.Believe it or not !信不信由你！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。我居然收到了谢娜的来信，信不信由你！Believe it or not ， I heard from Xie Na.信不信由你，我现在想家了。Believe it or not， I am feelinghomesick now. 取 2.Look out ， Eddie !埃迪，
2、当心！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。当心！ 车来了。 Look out ！ The car is comi ng.当心！ 水太深了。Look out ! The water is too deep.辨析：look out ， take care 与 be careful三者均有“小心，当心，注意”之意，常用于祈使句或警告对方时的用语中。(1) look out语气最强，用于某种紧急的情况或者可能出现危险的场合，特别是当你已经看到有事发生，比如车要撞过来了，情况紧急，你可以大喊：Look out!Look out f
3、or the rock in the river.当心河里的石头。Look out ！ You II hit that car.当心！你要撞上那辆汽车了。(2) take care语气不那么强，多用于对可能出现的不测作出预测的提醒或警告；take care后还可接动词不定式(短语)或that从句，从句谓语动词用一般现在时。Take care not to break the glass.小心另 U打碎了杯子。Take care (that ) all the doors are locked.不要大意，要把所有的门锁好。(3) be careful是一般的警告或劝告用语，通常是对未知的事情预先
4、提醒或者表示关心。既可单独使用，也可跟动词不定式或者of/with 短语。Be careful n ot to lose the key.当心不要丢了钥匙。That man behi nd us might be a thief.Be careful with your bag.我们后面的那个男孩的可能是个小偷。小心你的包。也 3.People have different abilities.人们有不同的能力。ability此处用作可数名词，意为“能力”，其复数形式是abilities，形容词形式为able，意为“有能力的”。(1) 表示抽象意义的“能力”，为不可数名词。他是一位有能力的人。
5、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。不同的人有不同的能力。Differe nt people have differe nt 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。这个女孩很有音乐天分。The girl has a great musical ability.大家都敬佩他的才能。Every one 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。我认为Kitty有当班长的能力。I thinkKitt
6、y has the ability to be our mon itor.4.We can se nd some to them.我们可以寄一些给他们。send及物动词，意为邮寄，派送” 。send sth. to sb. 意为把某物寄给某人”，相当于send sb. sth.，但是当send后表示物的词或者是代词时，只能用send sth. to sb.形式，而不能用 send sb.sth. 形式。他们寄给我一箱子玩具。They sent me a box of toys=They sent a box of toys to me.她给我寄了一张圣诞卡片。 he sent me a Chr
7、istmas card.【拓展】send for派人去叫；派人去请他病了，请派人去请个医生吧。 e is ill.Please send for a doctor. send away撵走，开除老板把他开除了。The boss sent him away. send up发射许多国家已向太空发射了人造卫星。Man-made satellites have bee n sent up into space by many coun tries.f 5.Some families are not even able to pay for pens and notebooks.一些家庭甚至付不起钢笔
8、和笔记本的费用。(1)be able to 意为能，会”，表示能力，与 can同义。将来，学生将能够在电脑的帮助下在家学习。In the future ，students will be able to study at home with the help of computers.他不能爬过那堵墙。He isn t able to climb over the wall.辨析： be able to 与 can be able to_强调通过努力而获得的能力，而_can则强调自身已具有的能力。She can sing the song in En glish.她会用英语唱这首歌。He wi
9、ll be able to sing this song in English， too.他也将会用英语唱这首歌。 be able to强调一种结果，而can只强调一种可能。Luckily ， he was able to escape from the big fire in the end.幸运的是，他终于逃出了大火。If he got here a few hours earlier, I could save him.要是他早几个小时来这儿，我还能救他。 be able to可以有各种时态；而can只有一般现在时和一般过去时两种时态。1 could help you last nigh
10、t， but you didn t come.昨天晚上我能帮你，而你却没有来。Can you see it there?你能看见它在哪儿吗？He is/was/will be able to help you.他能帮你的忙。(2) pay for 意为“为 付款”，在句中常见的结构形式有: pay (sb.)money for sth. 付钱(给某人)买某物我每个月必须付给他们20英镑的房租。I have to pay them 20 pounds for this room eachmon th. pay for sth.付某物的钱那个时候他还付不起这辆小汽车的钱。He couldn t p
11、ay for the car at that time. pay for sb.替某人付钱别担心！我会给你付钱的。Don，t worry ！ I ll pay for you. pay sb.付钱给某人他们每个月给我们报酬。They pay us every mon th. pay money back 还钱你能借给我12元钱吗？下周还你。May I borrow 12yuan from you ? I ll pay itback nextweek.ft-12 6.We can raise some money for them to buy these things.我们可以募集一些钱给他们
12、买这些物品。raise及物动词，意为募集” 。raise money for.意为为.筹钱”学生们正在为一个生病的女孩捐款。The students are raising money for a sick girl.【拓展】raise作及物动词时，还可意为举起，提高，饲养”请举手回答这个问题。Please raise your hand to an swer this questio n.不要提高嗓门。Don，t raise your voice.在我的家乡，一些人养奶牛。 ome people raise cows in my hometow n.ft-1 7.He was brave e
13、nough to save his neighbour from a fire.他很勇敢，从火灾中救出了他的邻居。(1) brave形容词，意为勇敢的”。他是一个非常勇敢的男孩。 e is a very brave boy.(2) save及物动词，意为救，救助” 。Save.from. 意为从.中救出.”昨天那个人从河里救出了一个小男孩。The man saved a boy from the river yesterday.【拓展】save做及物动词，还可意为节约”节约用水对我们来说很重要。 t is very importa nt for us to save water.取 8.Sud
14、denly ， he heard someone shouting Fire ！ Fire ！ Help !” 突然，他听见有人在喊着火了，着火了，救命”hear sb. doi ng sth.意为听到某人在做某事”你听到有人正在隔壁唱歌吗？Do you hear some one singing in the n ext room? 辨析： hear sb. doing sth. 与 hear sb. do sthhear sb. doing sth.指听见某人正在做某事，强 调听到的动作正在进行When 1 went back to my room , I heard her readin
15、g English in the next room. 当我回房间时，听到她在隔壁房间读央语。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I hear her come in and go upstairs.我听至 U她进来并上楼了。I ofte n hear the girl play the violi n in the park. 我经常听见那个女孩在公园里拉小提琴。2 9.He went in and found his neighbour, the 79-year-old Mrs Sun , in the kitchen.他进去，发现了他的邻居79岁的孙夫人在厨房里。79-year-old是一个合成形容词，意为“ 79岁的”。这种合成形容词通常在句中作前置定语，修饰后面的名词。其结构形式有两种：(1) 数词+名词100-me
