根据上文If you weigh 50kg on Earth, you will only weigh 19kg on Mars “如果你在地球上重50公斤,在火星上你只重19公斤”,和This is because the surface gravity (表面重力) on Mars is only about 38 percent of that on Earth “这是因为火星表面的重力只有地球的38%”可知如果你想知道你在火星...
Think about the following questions:1. When do you think humans could live on the planet Mars?2. What do you think life on Mars would be like?Some people believe that humans could live on the planet Mars by the year 2100. Our own planet, the Earth, is becoming more and more crowded...
1【题目】Read and answer these questions about space.1 What is the name of the force holding us toEarth?2 Which galaxy is Earth located in?3 Is the sun a star or a planet?4 Does the sun orbit Earth?5 Have human beings ever set foot on Mars?6 What do you call the place in spac...
But I'm the first to study things inside this red planet.I have a strong arm. It is about 1. 8 metres long. At work, I can use it to move the thingsinside my body to the ground. On my arm, you can find my eye—a camera. I can use it to takepictures of Mars, As for ...
Earlier generations一代人 learned about nine planets that go around the sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. Younger generations are learning that there are only eight planets which orbit the sun. (Pluto is no longer considered a planet because it's...
V Read the passage below and answer the questions. (根短内 ,答下列问题。)Space facts The solar system has the Sun and eight planets. The planets are Mercury (水星),Venus(金星), the Earth,Mars, Jupiter(木星), Saturn(土星),Uranus(天王)and Neptune(海王 ).The planets go around the Sun....
IV. Reading comprehension(阅读 解) :Answer the questions(根据短文内容回答下列问题):At the moment, it may be difficult to imagine, but many people believe that, by the year2100, we will live on the planet Mars. Our own planet, Earth, is becoming more and more crowded and polluted. Luckil...
to answer the questions to heaven“天问”出自战国时王敬之期爱国诗人屈原的一首Qu Yuan raises a series of questions about the sky,only seven minutes. Seven minutes are not enough长诗。今天,中国航天人the stars, and natural phenomena(现象). It showsto complete an Earth-Mars communication, so正在用...
Studying Mars can tell us a lot about the planet and what humans have to be (for when they get there " Phil said 相关知识点: 试题来源: 解析 【文章大意】本文主要讲述了一个叫做Phil的科学家是如何研究火星和地球上的岩石的。51、【答案】like【解析】结合句意(在地球上的岩石像火星上的岩石...
aScientists have sent spaceship to the planet Mars to take photos.They have even sent spaceships to the planet Mars to take photos.They have even sent spaceships to travel outside the solar system.However,no spaceship has travelled far enough to reach other stars in our Galaxy. 科学家寄发了...