人教高中英語必修3Unit4using-language(共17張)課件

1、UNIT 4A visit to the moonUNIT 4Do you want to go to the moon? Who was the first person that stepped onto the moom?Do you want to go to the moon?The pull of the earths gravity will disappear when you are in space.You will be weightless.The gravity of the moon is very light. You will weigh less than o

2、n the earth.The pull of the earths gravi The gravity on the moon is 1/6 as strong as it is on earth. This means that someone who weighs 150 lbs(磅) on Earth would weigh only 25 lbs on the moon! You might think that this would make walking much easier, but it is actually quite difficult Later in the A

3、pollo(阿波羅) (Moon landing) mission, astronauts discovered that it was easier to hop(跳) than it was to walk . The gravity on the moon is 1/Space walkSpace walkthe first man in spaceYuri Gagarin The first man on the moonNeil Armstrong Russia 1961U.S.A. 1969the first man in spaceYuri Gag人教高中英語必修3Unit4us

4、ing-language(共17張PPT)Fast reading: True or FalseThe force of of gravity would change four times on their journey . ( )2. When they were on the moon, they would not feel the gravity because there was no gravity on the moon. ( )3. Since the gravity has changed, their walk didnt need a lot of practice.

5、 ( )FFFFast reading: The force of of Detailed reading: Read Para 2 carefully and underline 3 sentences that show the changes of the gravity. as he left in space on the moonDetailed reading: the way gravity changedleft the earthin spaceon the moonIt became very light. The gravity became very strong.

6、The gravity disappeared. the way gravity changedleft thThe three ways in which gravity changed for Li Yanping and how his weight changed.1. The pull of gravity became very strong she left the earths atmosphere. His weight is normal.2. It disappeared when he was in space. He is weightless.3. It was v

7、ery light when he was on the moon. He weighs less than on earth.The three ways in which gravitWas their returning painful? What happened to the spaceship?Yes. Fire broke out on the outside of the spaceship.Q&AWas their returning painful? WLast month I visited the moon with my friend. Before we left,

8、 I was told the force of _ would change three times on our journey. Then we took off. Gradually the weight _. When I was in space, it _. We _ weightlessly in the cabin and I _ _. When I was on the moon, I was surprised to find out even walking needs lots of practice _ _ gravity changed. The returnin

9、g of the earth was very _. We were amazed to watch fire _ _ on the outside of the ship. gravitylesseneddisappearedfloatedcheered upnow thatfrighteningbreak outSummaryLast month I visited the moon 倍數表達法1). “A + be + 倍數 + as +形容詞原級 + as + B”. 2). “A + be + 倍數 +形容詞比較級 + than +B ” 3). “A + be + 倍數 + the

10、 +名詞 (size, length, amount) + of + B”倍數表達法1). “A + be + 倍數 + as +形容 If you visit the moonwhat problems will you meet with?To solve these problems, what things will you take?Please take down some notes while discussing, after discussion, please report it. Example: If I visited the moon, I might have

11、? problems: The first one is Because To solve this problem, I would take with me. The second one is Discussion: If you visit the moonPlease tHow to cool youYou might have 4 main problems:How to breatheproblemsWhat to eatWhat to wear spacesuitoxygen tanksspace foodthings needed on the moonIf you follow this advice, I think you will h