高中英语人教版必修三教学案Unit 4 Section 4 Word版含答案.docx

1、高中英语人教版必修三教学案Unit 4 Section 4 Word版含答案.Match the topic sentence with proper paragraph.Para.1AWe visited the moon in our spaceship!Para.2 BWhen we got there, I wanted to explore immediately.Para.3 CBut returning to the earth was very frightening.Para.4 DBefore we left, Li Yanping explained to me . th

2、e most powerful.答案：Paras.14ADBC.Choose the best answers according to the text.1When we were going up, we felt _Awe were pressed against our seatsBwe were lighter than we are on the earthCas if we were flyingDthe rocket was shaking strongly2Why cant the spaceship fall back to the earth?ABecause the m

3、oons gravity pulls it up.BBecause it is too far away from the earth.CBecause the earth has no gravity.DBecause the spaceship is not very heavy.3When I was on the moon, I felt I was _ than I am on the earth.AslowerBheavierCcleverer Dlighter4If a baby is growing on the moon, when he grows up, he will

4、grow _ than he is on the earth.Ataller BshorterCfatter Dthinner5The passage mainly talks about _Awhat the moon isBmy visit to the moonCthe difference between the earth and the moonDLi Yanping, my friend, who is an astronaut答案：15ABDAB.单词拼写1A truck went out of control and crashed (碰撞) into the back of

5、 a bus.2The young man knows little about Newtons law of gravity (万有引力). 3The smell of new bread floated (飘动) up from the kitchen.4Dont pull (拉) so hard or the handle will go off.5Britain has a temperate climate (气候)6Eggs are sold by weight (重量).拓展词汇1biologyn生物学biologist n生物学家2gentleadj.温和的；文雅的gently

6、 adv.温和地3physicistn物理学家physics n物理学physical adj.物理的；物理学的；体力的4extinctadj.灭绝的；绝种的extinction n灭绝；绝种5weightlesslyadv.失重地weightless adj.失重的巧记单词派生词biologistbiology去yistgentlygentle去eyphysicistphysics去sist.补全短语1block out挡住(光线)2break out突发；爆发3cheer up感到高兴；感到振奋4now that既然5watch out (for) 密切注视；当心；提防6get the h

7、ang of熟悉；掌握；理解1教材原句When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earths.当我们更接近月球时，就会感到月球的引力在拉我们。但是，月球的引力不像地球的引力那么大。句型点拨as adj.a/an n. as意为“像一样的”。佳句赏析Please give them encouragement to live as rich and full a life as you do.请给予他们鼓励，让他们

8、和你们一样过着丰富多彩又充实的生活。2教材原句But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.当我试着向前迈步的时候，我发觉我被送出去很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。句型点拨twice as far as .属于“倍数as形容词/副词原级as .”结构，是一种倍数的表示方法。佳句赏析Our new library is four times as large as the old one.新图书馆是旧图书馆的4倍大。3教材原句“

9、Oh dear，” I cried, “walking does need a bit of practice now that gravity has changed.”“天哪，”我大声说，“既然重力改变了，看来走路也的确需要练一练了。”句型点拨从属连词now that意为“既然”，引导让步状语从句。佳句赏析Now that everybody is here, we can begin the meeting.既然大家都到齐了，我们可以开始开会了。课文对译A VISIT TO THE MOONLast month I was lucky enough to have a chance to

10、 make a trip into space with my friend Li Yanping, an astronomer. We visited the moon in our spaceship!Before we left, Li Yanping explained to me that the force of gravity would change three times on our journey and that the first change would be the most powerful. Then we were off. As the rocket ro

11、se into the air, we were pushed back into our seats because we were trying to escape the pull of the earths gravity. It was so hard that we could not say anything to each other. Gradually the weight lessened and I was able to talk to him. “Why is the spaceship not falling back to the earth? On the e

12、arth if I fall from a tree I will fall to the ground.” I asked. “We are too far from the earth now to feel its pull，” he explained, “so we feel as if there is no gravity at all. When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earths.”

13、I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.When we got there, I wanted to explore immediately. “Come on，” I said. “If you are right, my weight will be less than on the earth because the moon is smaller and I w

14、ill be able to move more freely. I might even grow taller if I stay here long enough. I shall certainly weigh less！” I laughed and climbed down the steps from the spaceship. But when I tried to step forward, I found I was carried twice as far as on the earth and fell over. “Oh dear，” I cried, “walki

15、ng does need a bit of practice now that gravity has changed.” After a while I got the hang of it and we began to enjoy ourselves.Leaving the moons gravity was not as painful as leaving the earths. But returning to the earth was very frightening. We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased. Again we were pushed hard into our seats as we came back to land. “That was very exhausting but very exciting too，” I