阿里与苏宁合作评论:Module3 Journey to spaceUnit 2 学案

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：  

1. The sun is a _____ in the solar system. The Earth is a _______ and it goes around the Sun.
2. Although there are_______ planets around the Sun.
3. There are more than 200 billion stars in _________________________.
4. There are many galaxies in the ________.
5. We have sent lots of spacecraft to __________________,   but we __________________________on other planets.