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八年级英语下册 Unit 3 What were you doing when the ufo arrived Period 2 Section A(2a-3b)预习学案

发布时间:2013-10-08 13:40:33  

广东省阳东广雅中学八年级英语下册 Unit 3 What were you doing when the ufo arrived Period 2 Section A(2a-3b)预习学案(无答

案) 人教新目标版

课时目标导航

知识目标:an unusual experience, around, strange, follow, kid, follow it to see, be surprised, the Museum of Flight, be amazing

句型:1. I was walking down the street when a UFO landed right in front of me.

2. While it was looking at the souvenirs, the shop assistant called the police.

3.You can imagine how strange it was!

能力目标:1.理解并能正确运用过去进行时态表达过去正在发生事情。

2.能区别以when 和while引导的时间状语从句。

3.能初步理解感叹句的用法。

预习过程:

★【预习闯关一】预习课本 Page18-20 of unit 2Read the new words and recite them . 你很轻松闯关,顺利得到一颗星_______.

★【预习闯关二】预习课本SectionA(1a)of page10 of unit 2. Translate the following phrases into English

1航天博物馆 _______________ 2.买纪念品 ___________________

3. 沿着街道走 ___________________ 4. 看见某人做某事 _______________

5. 报警 _______________ 6, 起飞,脱下_______________

7,在中心街着陆_______________ 8,一次不寻常的经历_______________

9,就在我前面_______________ 10,跟随某人_______________

闯关成功的同学奖励自己一颗 !__________.

★【探索闯关】

1,The girl was shopping when the alien got out.

While the girl was shopping, the alien got out.

when 与while区分:

(1)“当?的时候”,如后面连接的动词为进行时态,则用while多于用when。而when通常与瞬间性动词或延续性不强的动词连用。

(2)如果while前后的动词都是进行时态,while可译为“与此同时”

I was reading while my brother was drawing.

(3)当while前后的句子描述的情况相对或相反,while可译为“而”,while更强调并列的对比而非转折。 e.g. I am out-going while my sister is quiet and shy.

总之,when表示做某种动作的时间或瞬间,由其引导的时间状语的时态如果是一般过去时,其主句通常要用过去进行时。while表示略长的一段时间,由其引导的时间状语从句用过去进行时,而主句时态根据实际情况而定。

用when,while填空

1. __________ the alien was in the museum , I called the police .

2. The boy was walking down the street __________ a UFO landed .

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3. __________ the alien was visiting the museum , the boy called the TV station .

4. I was cleaning my room ________ the fire broke out . 5. __________ Linda was shouting his name , some people looked at her . 6. __________ Linda finally saw Davy , he was jumping with a dog .

2. What were you doing when the UFO arrived? 飞碟到达时,你正在做什么?(1) 句中arrive意思是“___________”,是不及物动词,常和介词in和at连用,其中in后接表示大地点的名词(如: 洲、国家、大城市等) ,而at后接表示小地点的名词(如:村庄、学校、车站等)。He arrived in London last Monday

When did he arrive at the station?

⑵ 表示“到达”的动词还有get和reach。其中get是不及物动词,常和介词to连用,而reach是及物动词,必须带有自己的宾语。

When did you get to/reach/ arrive in Hong Kong?

3, While the boy was walking down the street, the UFO landed.

walk down / along 意思是_______________

land名词 陆地 Most animals live on land.

动词 着陆 The plane landed safely.

活学活用 根据汉语或首字母提示完成句子。

1 They were the first men to l________on the moon. 2 It was good to be back on ____________(陆地)

4,I had a very unusual experience on Sunday.星期天我经历了一件不寻常的事儿。

1 unusual为形容词,意为“异常的,不寻常的“,其反义词为usual。

2 experience在这里做可数名词,意为“经历,经历的事”。

experience做不可数名词,意为“经验”

experience作动词,意为“经历,体验,感受”

5,At around ten o’clock in the morning,I was walking down the street when a UFO landed right in front of me.大约上午10时,我正沿街走时,突然一架飞碟降落在我面前。

(1)around在这里表示“大约”,相当于about。

(2)around做副词还有“在四周,周围”等含义。

活学活用 词语释义

He got there around 4:00 p.m..

A.round B.at C.about D.over

6, You can imagine how strange it was!你可以想象它有多么奇异!

(1)此句含有感叹句how srange it is的宾语从句。主句为You can imagine。imagine为

动词,意为“想像,设想”strange为形容词,意为“奇怪的”。

(2)How strange it was!是一个感叹句,意为“这句多么令人惊奇呀!”由how引导的感叹

句,其构成为“How+形容词或副词+主语+谓语!”how作状语,修饰形容词、副词或动词。 7,I follwed it to see where it was going,and was very surprised when it went into

a souvenir shop.我紧跟着他(外星人)看他要去哪里,当看到他进入一家纪念品店时,我感到非常惊讶。

follow为动词,意为“跟随”,与go after同义。follow sb to do sth意为“跟着某人做某事”。

(1)follow作动词。意为“理解,明白”,与understand,catch同义。

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(2 ) following为形容词,意为“接着的,下述的”.

8, Isn’t that amazing1那难道不令人惊讶!

(1)这句话使用了否定疑问句的语序,但其意义并非询问而是感叹,相当于That’s amazing.“那令人惊异“。使用这种语序比陈述句语序语气更强烈,更丰富。

(2)amazing为形容词,意为“令人惊异的”,主语为事或物;而amazed意为“感到吃惊的”,

主语常为人。

这一步能闯关成功的同学真了不起,你可以得到两颗星______________

本次预习你一共得到了几颗星_________________

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