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必修3《Using LanguageⅡ》PPT课件优质课下载
gravity (n.) 万有引力；重力 satellite(n.) 卫星；人造卫星
climate(n.)气候 crash (vi. vt.) 碰撞；坠落 spaceship(n.) 宇宙飞船
pull (n. vt.)拉(力)；拖；牵引力 float (vi.vt) (使)浮动；（使）漂浮 （n.） 漂浮物
biology(n.) 生物学 biologist 生物学家
gentle 温和的；文雅的 gently 温和地 physicist 物理学家
physics 物理学 physical 物理的；物理学的；体力的
as a result 结果
block out 挡住（光线）
cheer up 感到高兴；感到振奋
now that 既然
get the hang of 熟悉；掌握；理解
break out (战争、火灾、疾病等的)突发；爆发
watch out for 密切注视；当心；提防
Fast reading
Read the passage quickly and find the main idea.
A story about what happened on the journey to the moon.
Let's judge whether these sentences are right or not.
1. The author made his first trip to the moon.
2. While the Rocket tried to escape the pull of the earth's gravity, the author and his friend were talking hppily.
3. The spaceship didn't fall back to the earth because it was too far from the moon.
4. When a person is on the moon, he is lighter than he is on the earth.
5. The author wants to explore other natural satellites like the moon.
T
F
F