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(2a3b)预习学案（无答案） 人教新目标版.doc

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 . 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? 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 oclock 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.over6， 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。 (2 ) following为形容词，意为“接着的，下述的”.8， isnt that amazing1那难道不令人惊讶！（1）这句话