Unit 4Using Language导案

1、.Unit 4 Using language导学案课内探究I: Read and find out the main idea of each paragraph Para 1. A. we were very lucky last month.B. we traveled by spaceship. C. we made a trip into space last month.来源: D. we met Li Yanping , an astronomer.Para2 : A. The change of gravity as the trip goes on. B. The change

2、 of weight as the trip goes on.C. The change of gravity and weight as the trip goes onD. Gravity and weightPara3: A. I was carried twice as far as on the earth.B. Walking does need a bit of practice now that gravity has changed来源:C. I laughed and climed down the steps from the spaceship.D. The activ

3、ities I did on the moon.Para4. A. Leaving the moon.B. Returning to the earthC. Trip back to the earth and my feelings of itD. Hope to visit some stars next time.II. Detailed readingTask 1. The force of gravity would change 3 times on their journey.The timeThe gravity changedLeft the earth1. The_of g

4、ravity became very _.In space2. The gravity _.On the moon3. The gravity became very_.Task 2.His weights changed three times too. Now write them down.The timeThe weight changedLeft the earth1. He became very_.In space2. He had _ _and could _around like a _.On the moon3. He was about _ of his weight o

5、n the earth.课后拓展 I: Summary：Last month I visited the moon with my friend. Before we left, I was told the force of g_ would change three times on our journey. Then we took off. As we left the earth, I became very h_. Gradually the weight l_. When I was in space, it d_. we f_ weightlessly in the cabin

6、 and I c_ _. When I was on the moon, I was surprised to find out even walking needs lots of practice n_ _ gravity changed. The returning of the earth was very f_. we were amazed to watch fire b_ _ on the outside of the ship.II: Sentences 1. 李彦平解释说：“如今我们离地球太远了，感觉不到地球的拉力，所以我们感觉好似没有地球引力了。2. 当我们更接近月球时，就会感到月球的引力在拉我们，但是，月球的引力不想地球的引力那么大。3. 但当我试图往前走时，我发现自己被带到一个相当与地球上两倍远的地方并且摔倒了。4. 过了一会儿，我掌握了走路的窍门，我们开场感到自如了。来源:5. 我们吃惊地看着，随着地球的引力增加，宇宙飞船的外层燃烧起火。III： translate the sentences 1. 当看到球队team的到来，人群欢呼起来。cheer up _.2. 我们看