7B Unit4知识点梳理与练习

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7B Unit4知识点梳理及练习一、重点词汇及句型1、I think we have to go up again. 我想我们不得不再上去。

have to 意为“必须,不得不”,否定形式为don’t(doesn’t) have to,意思为“不必”,疑问形式为“Do(Does)…have to …?”。

如:We finish the work before having supper. 我们必须在吃晚饭前完成这项工作。

I practice the piano on Sunday. 我不必在周日练钢琴。

―Do you practice the piano on Sunday? ―你不得不在周日练钢琴吗?―Yes, I do./―No, I do n’t. -是的,必须。

/-不,不必要。

★2、Sunshine Zoo is north of Sunshine middle school. 阳光动物园在阳光中学的北面。

1)“A + be + 方位词+ of + B”结构用于描述A地在B在的某个方向。

如:The park is west of my home. 公园就在我家的西边。

注意:此种结构中方位词前不加the,而在“in/on/to the + 方位词+ of”中,却要加the。

如:China is in the east of Asia. 中国在亚洲的东部。

另外需要特别注意:方位词(east/west/south/north)+ of=to the +方位词(east/west/south/north)+ of例:Japan is China.=Japan is China.2)英语中的方向:east,west,south,north,south-east,south-west,north-east,north-west3)to the east of,in the east of,on the east of的区别B is in the east of A. (内部)C is on the east of A.(外部但接壤)C is to the east of B.(外部不接壤)=C is B. 例:Shanghai is east of China and north of Guangdong.A.in the;不填B.不填;to theC.in the;on theD.to the;on the3、They like to eat bamboo and lie down all day long.它们喜欢吃竹子,整天躺着。

(1)lie 为不及物动词,意思中“平躺”、“位于”、“说谎”。

例如:After supper he likes lying on his chair. 吃过晚饭他喜欢躺在椅子上。

Taiwan lies in the southeast of China. 台湾位于中国的东南。

We don’t like a person who often lies. 我们不喜欢经常说谎的人。

lie to sb.对某人说谎,注意介词用to注意:lie的现代分词是lying。

类似的还有tie—tying;die—dying。

(2)all day long的意思是“整天”,亦可以说all day around。

类似的还有all year long/around(常年,全年)。

例如:他常年生病住院。

(翻译)4、Go straight on, and you’ll find the Panda House. 一直往前走,你就将看到熊猫馆。

(1)go on 表示“继续(说/做)下去”。

常用结构为:go on doing继续做(未做完的事,中间无间断);go on to do接着做(做完某事,接着干另外一件事)。

如:Go on writing, please. 请继续写下去。

We have finished Unit 5. Let’s go on to learn Unit 6. 我们已经学完了第5单元,让我们继续学习第6单元。

(2)straight 用作副词,意为“径直地,笔直地”。

如:They stood . 他们站得笔直。

Walk on and you’ll see the traffic lights. 一直走你将看到红绿灯。

Go down the road, you’ll find the post office. 沿着这条路一直向前,你会找到邮局。

5、Walk along the road. 沿着这条路走。

(1)along 用作介词,意为“沿着;顺着”,相当于down。

如:The train station is along that road, on the left. 火车站在那条路的左边。

Walk the road and take the third turning on the right.沿着公路走,在第三个转变处向右拐。

(2)along 用作副词,意为“向前”,常与表示运动的动词go, come, move等连用,表示向前移动。

如:Come straight along here. 直接到这儿来。

Come along. 来吧,跟我来吧。

6、Remember that they’re dangerous. 记住它们是危险的。

(1)remember动词,意为“记得、记住”,反义词是forget。

后面可接名词和代词或从句。

如:Do you remember her? 你还记得她吗?Did the girl remember your name? 那个女孩还记得你的名字吗?(2)remember to do sth意为“记得去做某事”,该事没有做;remember doing sth意为“记得曾做过某事”,该事已经做了。

如:Remember to turn off the lights when you leave. 当你离开时要记得关好灯。

I remember telling you about this. 我记得告诉过你那件事。

例:Kate,remember for the sick to cheer them up. A.to sing B.singing C.not to sing7、Cross the bridge, and you’ll see the elephants. 过桥,你就会看到大象。

(1)本句属于“祈使句+ and + 简单句”的句型。

注意,祈使句的动词必须使用动词原形。

(2)cross作动词,意为“越过;穿过;渡过”。

如:It’s dangerous to cross the street when the traffic can go.当车辆能够通行时,穿越马路是很危险的。

(3)cross用作动词,还可意为“使交叉;使相交”。

如:The street crosses the railroad tracks. 这条街与铁轨相交。

[难点解析](1)cross,across,pass,past的区别cross作动词,意为“横穿,穿过”,across是介词,cross=go/walk acrosscross the street= the street过马路cross the river= the river过河pass作动词,意为“经过…的旁边”,意思相当于go past/walk pastAs she passed the library door,the telephone began to ring.换一种方式As she the library door,the telephone began to ring.例:Walk the building and go thebridge.You will find the bank right beside the market.A.past;crossB.pass;acrossC.pass;crossD.past;cross(2)across和through的区别1)across横穿,横渡,与街道或河流形成十字,通常是在物体的表面穿过;如:go across the street 穿过大街I swam across the Changjiang River 20 years ago.2)through则表示贯通,直穿,从一头贯穿到另一头,通常表示在立体空间中穿过;如:The river runs through our city.go through the forest 穿过森林go through the tunnel通常过河、过街用across,而过隧道或形容河流的流动、铁路的途径路线等时用through;巧记:“十”字形联想across,“一”字形或蛇形联想through;EX:①( )The Xiamen-Shenzhen high speed railroad will run ________ eight cities.A. acrossB. throughC. overD. cross②他穿过了大厅。

He passed ____________ the hall.③过马路前要左右看。

Look left and right before you go ________ the street.8、Take the second turning on the right. 在第二个拐角处右拐。

本句中的“take + the + 序数词+ turning on the left/right”意为“在第……个拐弯处向左/右拐”。

例:Walk/Go along the street, take on the left.沿着这条街往前走,在第三个拐弯处向左拐。

9、My parents will prepare plenty of food and drinks for us.我们的父母将为我们准备足够的食品和饮料。

(1)p repare作动词,意为“准备;预备”。

prepare sth (for sb)(为某人)准备某事;如My mother will prepare a cake for me.妈妈会为我准备一个蛋糕。

(2)plenty作名词,意为“丰富,大量,充分”,它是不可数名词,只用于肯定句中。

如:―Would you like some more? ―再来点儿吗?―No, thanks, I have had plenty. ―谢谢,不要了,足够了。

[拓展]plenty of 意为“大量,足够”,前面没有不定冠词,它既可修饰可数名词,也可修饰不可数名词。