At that time Mars would have been much warmer and wetter than it is today with an atmosphere composed mainly of carbon dioxide just like that of the earth at the time. Under these conditions it is highly probable that life may have arisen on Mars as well.But even if life did not arise...
Then on March 14, the ship reached orbital speed and demonstrated a first step toward being able to refuel in space,transferring several tons of liquid oxygenbetween internal tanks. In June, Starship survived the maximum heat of reentering Earth's atmosphere and performed akey flip and landing ...
根据第三段中His mission now is saving the earth's rivers,which he points out are even more polluted than the world's oceans. "Eighty percent of the ocean's trash comes from rivers," he says.(他现在的任务是拯救地球上的河流,他指出,河流的污染程度甚至比世界上的海洋还要...
(循环). The sun heats up lakes, oceans, and other wet places on Earth. When the water gets warm enough, it changes into vapour. Plants also give off lots of water vapour. Some of this water vapour cools off high in the sky and becomes clouds. Then it falls back to Earth in a ...
英语翻译Water does around and around earth in a never ending journey called the water cycle.The sun heats up lakes,oceans and other wet places on the earth.When the water gets warm it changes into vapor.Plants also give off lots of water vapor.So
Water goes around and around the Earth in a never-ending journey called the water cycle. The sun heats up lakes oceans and other wet places on the Earth. When the water gets warm enough it changes into a vapor. Plants also give off lots of water vapor. Some of this water vapor cools...
the clouds you will see the blue colour of the oceans and seas.Almost two-thirds of the earth is covered with water.We live on the outside (5) A of the earth.Around and above us is the air.The earth (6) B twenty-four hours to turn all the way round-that is...
When you think of the Arctic (北极), you imagine an icy land of pure white snow. Others imagine it as the last really clean place left on earth. We have polluted the deepest oceans with plastic rubbish. "And now", CNN says, "It's the Arctic's turn."German...
百度试题 结果1 题目【题目】___is well known, oceans cover more than 70% of the earth. (as if, as, when, wh-+ever) 相关知识点: 试题来源: 解析 【解析】 As 反馈 收藏
百度试题 结果1 题目【题目】is well known, oceans cover more than 70% of the earth. ( as if, as , when , wh-+ever) 相关知识点: 试题来源: 解析 【解析】 As 反馈 收藏