Earth has an atmosphere. The atmosphere protects us from harmful rays. What is the atmosphere made of? A. Water vapor B. Gases C. Soil D. Rocks 相关知识点: 试题来源: 解析 B。解析:地球有大气层,大气层保护我们免受有害射线的伤害。大气层是由气体组成的。选项 A 水蒸气只是大气层的一部分...
B. Atmospheric pressure, temperature and humidity. C. The number of clouds in the sky. D. The speed of the E. arth's rotation. 相关知识点: 试题来源: 解析 B。解析:科学家通过发射气象气球主要收集大气压力、温度和湿度等数据。A选项气象气球不仅仅收集降雨量。C选项气象气球不是主要用于收集天空中...
结果1 题目What percentage of the Earth's atmosphere does nitrogen make up by volume? A. 21% B. 50% C. 78% D. 99% 相关知识点: 试题来源: 解析 C。原因:It makes up about 78% of the Earth's atmosphere by volume.。反馈 收藏 ...
题目The atmosphere protects the earth. What is the atmosphere made of? A. Gas and dust B. Water and fire C. Earth and moon D. Stars and gas 相关知识点: 试题来源: 解析 A。本题考查对大气层组成的了解,大气层由气体和尘埃组成。B 选项水和火不对;C 选项地球和月亮不对;D 选项星星和气体...
You hear: "The atmosphere protects the Earth." What does the atmosphere not protect the Earth from? A. Meteorites B. Solar wind C. Earthquakes 相关知识点: 试题来源: 解析 C。解析:大气层保护地球免受陨石和太阳风的伤害。但大气层不能保护地球免受地震的影响。
When we talk about the Weather, we mean what Earth's atmosphere (大气层) is like at a particular (特定的) time and place. Weather reports tell us the temperature and if it is wet (潮湿的) and foggy or dry (干燥的) and sunny. The sun makes Earth's weather. The sun makes the ...
The Earth is surrounded by a layer of gas called the atmosphere. What is one of the important functions of the atmosphere? A. To make the Earth look blue from space. B. To protect the Earth from harmful radiation. C. To make it easier for people to travel by plane. D. To keep ...
atmosphere effectIt is frequently stated in textbooks and scholarly articles that the surface temperature of Earth is 33°C warmer than it would be without the atmosphere and that this difference is due to the greenhouse effect. This Forum shows that the atmosphere effect leads to warming of ...
P3. What happens to the meteorolds when they pas through the Earth's atmosphere? A. They cool down. B. They pick up speed. C. They are stopped there. D. They become less destructive.B4. Choose the best word to fil in the blank in the last paragraph: Lastly, the Earth is a(n)...
The atmosphere protects the Earth from harmful rays. What is the atmosphere made of? A. Water and air. B. Gases. C. Soil and water. D. Rocks and minerals. 相关知识点: 试题来源: 解析 B。大气层是由气体组成的;A 选项水和空气不准确;C 选项土壤和水错误;D 选项岩石和矿物质错误。