Module3 Journey to space学案 总编号：10
Unit 2 We haven’t found life other planets yet.
命题人 审题人
一、Learning aims
1.Grasp the key words and key structures:
Planet, solar,none,environment,galaxy,,billion, universe,,light,beyond,alone,entrance,prefer
2.Present perfect tense with just, already and yet.
3.Reading skill: To understand passages about space travel involving present perfect tense. 4.Affection and attitudes: We should love science and our country.
二、Learn by youselves
单词检测
1. The earth is a p ____ and we live on it.
2. Scientists have discovered many other galaxies in the u ____.
3. Scientists think that there has been life on Earth for m____ of years.
4. L____ travels much faster than sound.
5. A b____ is 1.000,000,000.
6. If you don’t want to go a____(单独) ,I’ll go with you .
7. I ____(喜欢)apples when I was young.
8.Some spacecrafts have gone b____（在---之外）the solar system.
9. Yang Liwei is a famous _________ (宇航员) of our country.
10. They have __________ (发现) many kinds of plants in the forest.
11. We haven’t seen each other _______(最近).
12. My father watches TV to get the ______ (最新的) news.
13. The ______ (地球) goes round the Sun
词组互译
1.protect the environment 5.太空站
2.sth. cost (sb.) some money 6.环绕
3.the entrance to … 7.我们星系的一小部分
4.several billion dollars 8.太阳系
三、精讲点播
? take / spend / cost / pay
? take 常见的用法有以下几种：
? 1）It takes sb.+time + to do sth.
? 2）doing sth. takes sb.+ time
? spend 的主语必须是人，常用于以下结构
? 1）spend time / money on sth.
? 2）spend time / money (in) doing sth.
? cost 的主语是物或某种活动，还可以表示
? “值”，常用于以下结构：
? 1）sth. costs (sb.) + money
? 2）(doing) sth. costs (sb.) + time
? pay 基本用法：
? 1）pay (sb.) money for sth.
? 付钱（给某人）买……
? 2) pay for sth. 付……的钱
? 3) pay for sb. 为某人付钱
? prefer v. 更喜爱，宁可，宁愿
? prefer sth. to sth. 与……相比，更喜欢……
? prefer doing / to do 喜欢做……
? prefer doing to doing (=prefer to do rather than do=would rather do than do) 与……相比，更喜欢做……
? eg. I prefer bananas to apples. 与苹果相比，我更喜欢香蕉。
? I prefer walking to cycling, 我宁愿步行也不骑自行车。
? I prefer to walk rather than (to) cycle.= I would rather walk than cycle. 我宁愿步行也不骑自行车。
跟踪练习
? 1.我宁愿跑步也不骑自行车。
? I prefer ______to______.
? = I prefer ______ ______ rather than ______.
? = I would rather ______ than ______.
? 2.买自行车花了我300 元。
? The bike _____ me 300 yuan yesterday.
? I ______ 300 yuan ______ the bike.
? It ______ ______ 300yuan ______ ______ th e bike .
? I ______ 300 yuan ______ the bike.
? I ______ 300 yuan ______ the bike.
四、能力提高：完成句子
? 1.许多科学家认为地球上存在生命有上百万年，
? Many scientists think there ____ _____ life on Earth for _____ _____years.
? 2.地球围着太阳转。
? The earth ____ ____ the sun.
3.科学家在宇宙中发现了其他一些星系。
Scientists ____ ____ many other galaxies in the universe.
4.他们试图向我们发送信息吗？
Have they tried to ____ ____ ____ us?
5.在我们星系中有两亿多颗星星。
There are ____ ____ 200 billion stars ____ ____ ____.
6. How much is the sweater?(同意句)
____ ____ does this sweater ____?
What’s ____ ____ ____thissweater？
五、课堂检测：
评论