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...
The sun is a star. It gives us light and heat. How far is the sun from Earth? A. 150 million kilometers. B. 500 million kilometers. C. 1 billion kilometers. D. 5 billion kilometers. 相关知识点: 试题来源: 解析 A。太阳距离地球约 1.5 亿千米。选项 B、C、D 的距离与实际不符。
The sun is a star. It gives off light and heat. The Earth orbits around the sun. How does the Earth move around the sun? A. In a straight line. B. In a circle. C. In an oval. D. Randomly. 相关知识点: 试题来源: 解析 C。科普知识中地球绕太阳的轨道是椭圆形。选项 A 直线错误...
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Solar energy makes us ___ warm when we sit in the sunlight. 此处描述的是太阳能的普遍现象,应该用一般现在时,主语Sun是单数名词,谓语动词用第三人称单数形式。 17. Energy from___ Sun is called solar energy. Sun是世界上独一无二的事物,前面需要加定冠词the。 18. Solar energy makes us ___ w...
【题文】 We all know the Sun is important. 【小题1】 But how does the Sun do that? It's the Sun's energy that makes life live on our planet. Energy from the Sun is called solar energy.【小题2】People started to use solar energy many years ago. They build ...
Another phrase we use to talk about the early morning is bright and early.我们用来谈论清晨的另一个短语是“明亮而早”。Bright, of course, referring to the fact that there's light outside and early just means early.明亮，当然，指的是外面有光，早就是早的意思。I could say something like ...
The sun is a star. How long does it take for light from the sun to reach the Earth? A. 8 minutes B. 8 hours C. 8 days D. 8 months 相关知识点: 试题来源: 解析 A。解析:太阳光到达地球大约需要 8 分钟。B、C、D 选项的时间都不正确。
An SPF of 30 or higher is best. Look for “broad exposure,” which blocks more of the UV light. Put it on 30 minutes before you go outside, and don’t forget areas like your lips, ears, and neck. Put more on if you swim or sweat. Try to stay out of the direct sun between ...
Waves How does light get from the sun to the earth? How does music get from the stage to the audience? They move the same way---in waves! Light and sound are fomp3s of energy. All waves carry energy, but they may carry it differently. Light and sound travel through different kinds...