This suggests that our Solar System isn't a typical planetary system, but a relatively rare one. When we look at planets around other stars, we see that planets of a similar mass to Jupiter are found in Earth's spot.这表明，我们的太阳系不是一个典型的行星系，而是一个相对罕见的行星系。...
A. Earth is a star. B. Planets don't move. C. Earth moves around the moon. D. Earth moves around the sun. 相关知识点: 试题来源: 解析 D。A 选项“地球是一颗恒星”错误。B 选项“行星不移动”错误。C 选项“地球围绕月亮转”错误。只有 D 选项正确地表达了文中内容。反馈...
There are many planets in the universe. The Earth is a planet that has life. What makes the Earth different from other planets? A. It is very big. B. It has water and an atmosphere. C. It is very hot. D. It is very cold. ...
C. The rings around Saturn are made of three kinds of things. D. There are strong winds and storms on Uranus.买 系词汇1. at night2. be known as3. be made of4. more than5. act like句型6. Here is what you need to know about them.7. Most of the Earth is covered with water....
百度试题 结果1 题目6. What if our earth is struck(strike) by some planets? 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
There are eight planets in our solar system. What is the largest planet? A. Earth B. Mars C. Jupiter D. Venus 相关知识点: 试题来源: 解析 C。太阳系中最大的行星是木星。选项 A 地球不是最大的行星。选项 B 火星也不是最大行星。选项 D 金星同样不是最大行星。
So molecules like this ended up on Earth. In fact, what we call meteorites are pieces broken away from comets and asteroids that came in our atmosphere and left their extra-terrestrial organic matter on the surface of primitive Earth.这样的分子最终来到了地球上。事实上，我们所说的陨石是来自彗星...
There are eight planets(行星) in our solar system(太阳系). Here is what you need to know about them.Mercury is the smallest planet in our solar system. It is the closest planet to the Sun. It is hot during the day. It is very cold at night.Venus is the second planet from the Su...
A. The Earth is the only planet that can receive energy from the sun. B. The sun is at the right distance from us and in proper size. C. The distance between the planets is neither too long nor too short. D. The dinosaurs were no longer a threat to the E. arth. 相关知识点:...
【题文】The earth is the only planet that scientists are certain has life .What does the earth have that the other planets don’t ? For one thing , the earth has just the right temperature . As the third planet from the sun , the earth seems to be just the right distance away . ...