八年级英语外研社下册Module 3 Journey to space 学案.docx

1、八年级英语外研社（新标准）（三年级起点）Module 3 Journey to space课程目标一、学习目标学生基本把握本课的重点单词（有关宇宙类的单词）和短语的用法；进一步了解完成时的用法，通过课文深入理解。二、重点、难点继续学习完成时的相关表达方法；通过宇宙类单词的学习，了解记单词的一些方法。知识梳理一、重点单词【单词学习】1. discover v. 发现【用法】discover指发现客观存在的事物。【例句】So have they discovered life on Mars?那么他们在火星上发现生命了吗？【拓展】discover是在cover这个词的基础上加上了一个表示否定的前缀

2、“dis”，用法类似的还有：disabledisadvantagedisagreelife是名词“生命”，复数形式是lives，这个形式大家还可以在live的三单中见到：She lives in Beijing.（居住）The doctors saved a lot of lives during the war.（生命）【考题链接】请根据构词法猜测下面单词的含义：disbelievedisapprovediscontinue答案：不信，不同意，中止思路分析：根据单词构造的特点很容易得到答案。2. information n. 信息【用法】information是不可数名词，泛指消息。因此“一

3、条消息”应该是a piece of information。【例句】How can I get information on space travel?我怎么才能得到关于太空旅行的消息呢？【拓展】news同样也是不可数名词，多指新闻事件。“一条新闻”应该是a piece of news；message则是手写或谈话类的消息，为可数名词。【考题链接】请用news，information和message填空来源:1. If you need any _ about the trip, ask him.2. Have you heard the _? The President will come

4、to our school.3. They send me a text _ by the mobile phone.答案：information, news, message思路分析：根据几个词的使用特性可得到答案。3. search v. 寻找【用法】search for something 搜寻某样东西search后面还可以直接跟地点，表示在某处进行搜寻。【例句】You can go online to search for the information.你可以上网搜寻相关消息。Are you searching for that book? 你在找那本书吗？He searched h

5、is desk for the pencil case. 他在书桌里搜寻铅笔盒。【考题链接】翻译句子：他们在这座山上寻找金子。答案：They searched this hill for gold.思路分析：在某地搜寻，直接加地点，后面跟上搜寻的对象。4. reach v. 到达【用法】reach表示“到达”，是及物动词。【例句】They are very far away and their light has to travel for many years to reach us.它们（离我们）非常远，并且它们的光线要经过很多年才能到达我们（这里）。【拓展】除了reach，还有arriv

6、e和get两个不及物动词表示到达，arrive in（大地方）/at（小地方），get to地方。reach还可以表示“伸手触及；够到”，如Would you please pass me the salt? I cant reach it.reach的另外一个含义是“达成协议”，如：Finally, they reached an agreement.【考题链接】翻译句子：你能用你的手指尖触及你的脚趾吗？答案：Can you reach your toes with your fingertips?思路分析：reach在这里解释为“触及”。5. galaxy n. 星系 【例句】There

7、are billions of stars in the Galaxy, and our sun is only one of them.在星系中有几十亿颗星星，我们的太阳只是它们中的一颗。【拓展】关于宇宙的单词，总结和拓展如下：来源:ZXXKuniverse, galaxy, Milky Way, solar system, earth, sun, moon, starMercury, Mars, Venus, Saturn, Jupiter还记得星期和宇宙星系的关系吗？【考题链接】1. 请试着写出下列“星日”在今天的含义：Suns DayMoons DaySaturns Day2. 请观察

8、日语（从中文中借鉴）中的一些单词，试着猜测它们的含义：月曜日，土曜日，日曜日答案：1. Sunday, Monday, Saturday2. 星期一，星期六，星期日思路分析：古代“星日”的文化逐渐演变。6. alone adv. 单独地；独自一人 【用法】alone强调客观的“独自一人”。【例句】With so many stars in the universe, are we alone, or is there life out there in space?宇宙中有那么多的星星，（很难说）我们（的地球）是不是仅有的、有生命存在的行星，或者说外太空中还有生命存在？【拓展】alone和lo

9、nely的区分：alone强调客观的“独自一人”，而lonely则体现出了内心主观的“孤独”。She lives alone, but she never feels lonely.她独自一人居住，但她从不感到孤独。alone还可以表示“独一无二的”或“单独的”，这时其词性是形容词。He was allalonein the middle of the classroom.【考题链接】请用alone和lonely填空1. She is afraid of going there _.2. She often felt _ when she was abroad.答案：alone, lonely

10、思路分析：前者强调一个人，后者强调孤独。【即学即练】请用今天所学的单词填空：discover, information, search, reach, galaxy, alone1. Have they _ life on Mars yet?2. We have _ on the Internet but we find nothing.来源:ZXXK3. Our sun is one of the stars in the _.4. I will give you a call as soon as I _ Shanghai.5. Here is a piece of _ for you.6

11、. You are not _, there are lots of friends around.答案：discovered, searched, galaxy, reach, information, alone思路分析：根据所学内容填空即可三、重点短语【短语学习】1. far away【用法】far away表示“距离远”。【例句】Mars is very far away, much farther than the moon.火星距离非常遥远，比月球要远得多。【拓展】经常用到的句型是be far away from：Beijing is far away from Nanjing.北

12、京离南京很远。【考题链接】翻译句子：他住得离我们很远。答案：He lives far away from us.思路分析：注意词组的应用。2. in order to【用法】表示“目的是”，后接动词原形。【例句】Lots of scientists are working hard in order to send astronauts to Mars one day.很多科学家正非常努力工作以便有一天能够把宇航员送到火星去。【拓展】表示目的，我们还可以用so that：Lots of scientists are working hard so that they can send astr

13、onauts to Mars one day.【考题链接】请用in order to和so that填空1. They work very hard _ get high marks.2. They work very hard _ they can get high marks.答案：in order to, so that思路分析：so that后面跟从句，而in order to后面则接动词原形。3. go around【用法】表示“环绕”。【例句】The earth is a planet and it goes around the sun.地球是个卫星，环绕太阳公转。【拓展】aro

14、und含有“环绕”的意思：walk around, turn around, move aroundaround还可以表示“大约”：There are around 30 people in the classroom.【考题链接】翻译句子：他说他大概晚上十点左右回来。答案：He said that he would be back at around 10 in the evening.4. far enough【用法】表示“足够远”。【例句】However, no spaceship has travelled far enough to reach near other stars in

15、 our Galaxy.然而，没有宇宙飞船飞得足够远以到达我们星系中的其它恒星。【拓展】enough和形容词搭配，放在形容词后面；enough和名词搭配，放在名词前面，表示“足够多的”There is enough water in the bottle.瓶子里有足够多的水。【考题链接】翻译句子：图书馆里有足够多的书。答案：There are enough books in the library.思路分析：修饰名词时，enough放在前面，注意可数名词变复数。5. communicate with【用法】表示“和交流”。【例句】Why has no one communicated with

16、 us?为什么没有人和我们交流？【拓展】表达“交流或谈话”，我们还可以用到talk with, talk to和speak to：My teacher wanted to talk with my parents.我的老师想和我父母谈一谈。【考题链接】翻译句子：请保持安静，老师正在和家长谈话。答案：Please keep quiet, the teacher is talking to the parents.思路分析：talk to和talk with这里都可以使用。【即学即练】请用所学词组填空：far away, in order to, go around, communicate wi

17、th1. Its hard to _ him, he is so strange!2. Moscow is _ from Beijing.3. They cleaned the room carefully _ make their mother happy.4. The moon _ the earth.答案：communicate with, far away, in order to, goes around思路分析：根据所学内容填空即可。四、重点句型【句型学习】Scientists think that there has been life on earth for hundreds

18、 of millions of years.科学家们认为地球上的生命已经存在上亿年了。【句析】宾语从句的一种，I think的相关用法。【例句】I think it is wrong for us to play computer games too much.我认为我们玩儿太多电脑游戏是不对的。【考点】I think本身不是难点，但是如果把它和否定含义相结合，或者把它和其它句型结合在一起，问题可就来啦。如：我认为你上学迟到是不对的。这句话翻译的时候要把否定词挪到I think这里，翻译为：I dont think it is right for you to be late for scho

19、ol.而和其它句型结合之后，更应该注意一些细节，如：我认为你花太多的时间玩电脑游戏是不对的。和上面那句话相比较，多了“花太多的时间”，大家都能想到花费的表达方法，难在选择哪个。I dont think it is right for you to spend too much time playing computer games.因为前面有了for you，所以肯定是人作主语，所以选择spend。【考题链接】翻译句子：我认为你必须马上停止吸烟。所有人都认为我们应该尽最大努力保护环境。答案：I think you must stop smoking at once.All the people think that we should try our best to protect the environment.思路分析：句型的具体运用。【即学即练】我认为他不害怕自己一个人去那里。答案：I dont think that he is afraid to go there alone.思路分析：否定前置的运用。