16. How old is the Sun? A.Around 40 million yearsB.Around 500 million yearsC.Around 1 billion yearsD.Around 4.5 billion years 答案 D太阳是一颗黄矮星(光谱为G2V),黄矮星的寿命大致为100亿年,目前太阳大约45.7亿岁. 结果二 题目 【题目】16. How old is the Sun? A. Around 40 million ye...
四2.【答案】How beautiful the sun is!【核心短语/词汇】beautiful漂亮的【翻译】多么漂亮的太阳啊!【解析】根据标点和所给单词可知,本句是一个感叹句,结构:感叹词+形容词+主语+谓语,感叹词How首字母大写,形容词beautiful,主语the sun,谓语is,故答案为How beautiful the sun is!3.【答案】Do you like spri...
2020-12-13 10:45:51科学新鲜事 0:00/0:00 速度 洗脑循环 Error: Hls is not supported. 视频加载失败
There's a space joke so old you're unlikely to find its provenance on the internet: If you want to visit the sun, go at night. If you're scratching your head about the punchline, that's because the sun, our solar system's star that provides heat and light, is a blindingly ...
听完之后,问大家一个问题, How hot is the sun? 猜你喜欢 563 Twin Lyfe-Two Twin by:嘻哈有态度 639 Twin Nation 2-Twin Nation by:嘻哈有态度 275 Stars! Stars! Stars! by:Matchbox火柴盒子 1.2万 twin trouble by:草原上的小木屋 81 Twin In This Bitch-PDE Twin ...
A.Around 40 million years old.B.Around 450 million years old.C.Around 4.5 billion years old.D.Around 1 billion years old. 答案 C相关推荐 1How old is the Sun now? A.Around 40 million years old.B.Around 450 million years old.C.Around 4.5 billion years old.D.Around 1 billion years ...
题目The sun is a star. It gives us light and heat. How far is the sun from the earth? A. 150 million kilometers B. 100 million kilometers C. 200 million kilometers D. 50 million kilometers 相关知识点: 试题来源: 解析 A。本题考查对太阳与地球距离的常识,太阳距离地球约 1.5 亿...
Astronomers use astronomical units to describe how far away objects in space are, mostly in relation to the sun or other stars. For instance, Jupiter is about 5.2 AU from the sun, according to NASA. Because Earth's orbit around the sun is elliptical (oval-shaped), it isn't always the ...
Where does the sun's heat come from? The sun is made ofgas and plasma. Most of the gas — 92% — is hydrogen. If the sun were smaller, it would just be a huge ball of hydrogen akin toJupiter. According to NASA Space Place, the hydrogen in the sun's core is held together by ...
太阳上的一天有多久How long is a day on the Sun2020-07-29 00:00:00 科学探索小分队 举报 0 分享至 0:00 / 0:00 速度 洗脑循环 Error: Hls is not supported. 视频加载失败 科学探索小分队 1.5万粉丝 为医之道,必先正己,然后正人 11:24 听故事学英语:The Salary Of King Story in ...