二、阅读理解AThere are eight planets (行星) in our solar system. Here is what you need toknow about them.Mercury(水星) is the smallest planet in our solar system. It is the closestplanetto the Sun.t is hot during the day t is freezing cold at night.Venus (金星) is very bright. ...
The planets which are closer to the sun are sohot because their surfaces are baked(烘烤) in the sun.The farthest planets are cold balls.When the earth developed-which scientists be-ieve may have happened about 4 billion years agomany gases covered the earth. The gases caused theearth to ...
For one thing , the earth has just the right temperature . Asthe third planetfrom the sun , the earth seems to be just the right distance away . The planets that are closer to the sun are so hot that their surfaces bake in the sun . The farthest planets are cold balls . ...
The conditions on every planet in the solar system are either much colder or much hotter than on Earth. On one planet, they are both. Mercury is half as far from the sun as Earth, so it isn't surprising that it is hot there — but it is also bone-chillingly cold when the sun isn...
The giant planets form far out, where it's cold, where there's ice, which lets these planets grow to a huge size. Like a snowball rolling down a snowy hill, the planet grows ever bigger as it gathers to itself all the dust in its path.这些巨大的行星形成于遥远的地方，那里很冷，有冰...
The planets which are closer to the sun are sohot because their surfaces are baked(烘烤) in the sun.The farthest planets are cold balls.When the earth developed-which scientists be-ieve may have happened about 4 billion years agomany gases covered the earth. The gases caused theearth to ...
The farthest planetsare cold balls.When the earth developed-which scientists believemay have happened about 4 billion years ago-many gasescovered the earth. The gases caused the earth to be hot.But something wonderful happened. The temperature wasjust right for thick clouds to form. It rained ...
The other planets, such as Uranus and Neptune, are all very far from the sun and very cold. We need a telescope(望远镜)to see them.(1) The sun can give us . A . heat and water B . heat and light C . light and air D . rock and water (2) The Chinese meaning of "spin ...
Imagine how many galaxies there are; the number of planets in the universe is mind-bogglingly large. Inverse If a planet orbits within the Goldilocks Zone, it has the chance to support life. The Goldilocks Zone is the zone around a star which is neither too hot nor too cold for life ...
are seen around the Antarctic. The reason the southern lights can often be overlooked is due to the fact that the strongest auroras occur on the Antarctic continent itself or over the surrounding oceans andland fringeswhere few people are located. While in the northern hemisphere, the lights ...