【正文】
Life on Mars Reading 1 How many plas (行星 ) are there in the solar system(太陽系 ) ? Earth Mars Mercury (水星 ) Venus (金星 ) Jupiter (木星) Saturn (土星 ) Uranus ( 天王星 ) Neptune (海王星 ) Pluto (冥王星 ) a c traffic jam(交通 堵塞 ) crowded(擁擠的 ) pollution polluted(被污染的 ) b The surface (表面 )of Mars is more likely the surface of Earth than any other pla in our solar system.(太陽系) How do you like the life on Mars ? Can you imagine (想象 ) what the life will be like ? Task1 : Go through the article ,and correct the following sentences “T”or “F” people believe that we can live on Mars by the year 2100. 2. At present , our spacecraft are fast enough to carry large numbers of people to Mars. 3. The gravity on Mars is about three –eighths of the gravity on the moon , so we can easily float away into space. 4. Life on Mars will be better than life on Earth in many ways. 5. Every student will have a pute