译林版九年级下册英语精品教学课件 Unit 4 Life in Mars 第2课时 Reading I.pptVIP

Unit 4 Life in Mars第2课时 Reading I 1. To learn something about life on Mars2. To learn the words and phrases in this passageObiectives Marshelmetair tankdried foodpower packsleeping baggravityn. 火星n. 头盔n. 氧气罐n. 干粮n. 电源包n. 睡袋n. 重力Words and Expressions planetcrowdedpollutedrapidincrease(all) over againpassengerall a/the speed ofn. 行星adj. 拥挤的adj. 被污染的adj. 快的，迅速的n. 增加再；重新n. 乘客以……的速度Words and Expressions uncomfortableoxygenin the form oftastyspeciallyfloatcomparecompare to/withadj. 使人不舒服的；不适的n. 氧气以……的形式adj. 味道好的adv. 专门地，特地vi. 飘浮；漂浮vt. vi. 比较与……相比Words and Expressions interplanetarynetworkchallengingrapidlyadj. 行星间的n. 网络adj. 挑战性的adv. 快地，快速地Words and Expressions Words:planet polluted rapid increasepassenger rapidly tasty comparePhrases:all over again at a/the speed ofin the form of compare to/withPatterns:It is hoped that…Here is what life there could be like.Our spacecraft are too slow to carry…Robots would do most of their work so that…Focus on 火星：太阳系八大行星之一，按离太阳由近而远的次序计为第四颗，比地球小，公转周期约687天，自转周期约24小时37分。公转周期：约687天 自转周期：24小时37分22秒 行星直径：6794 千米 质量：6.4191e20吨 Moving to Mars The color of Mars:__________redMoving to Mars one-half the diameter (直径) of EarthThe size of MarsMoving to Mars two moons（卫星）:Phobos and Deimos 火卫1和火卫2Moving to Mars The lowest temperature will be -133℃ and the highest will be 27 ℃ Moving to Mars Do you think it is possible for human beings to live on Mars?Discussion 1.?At present our spacecraft are too s to c large numbers of p .2.With the development of technology, the spacecraft can travel at the speed of l .3. The journey to Mars might only take 20 m_____low arry ight How can we get to the Mars? imutes assengersMoving to Mars 1.?Nobody knows whether there would be enough w______ or o______________ on Mars2.Scientists are not sure whether p______ will grow on Mars.3. Food would most probably be in the form of pills ater What do we eat on Mars? 山谷和溪流证