百度试题 结果1 题目What is the main gas in the atmosphere that plants need for photosynthesis? A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 C。解析:植物进行光合作用需要二氧化碳。反馈 收藏
asc366 sc366 [translate] aI am very sincerely hope to cooperate with you in synthetic peptides 正在翻译,请等待... [translate] ain proportion to the amount 以数额的比例 [translate] aMethane gas in the atmosphere is known as a "greenhouse"gas 甲烷气在大气知道, “温室"气体 [translate] ...
aCarbon dioxide is the main greenhouse gas in the atmosphere. Animals (like ourselves) give out carbon dioxide when they breathe, while plants breathe in carbon dioxide. In this way, animals and plants keep the atmosphere in balance and the amount of carbon dioxide stays the same. 二氧化碳是...
The Earth has an atmosphere.Which gas is the most abundant in the Earth's atmosphere? A. Oxygen. B. Nitrogen. C. Carbon dioxide. D. Hydrogen. 相关知识点: 试题来源: 解析 B。本题考查地球大气的组成。氮气是地球大气中含量最多的气体;氧气次之;二氧化碳和氢气含量很少。
The Earth's atmosphere is made up of ___. A. water B. rock C. gas D. iron 相关知识点: 试题来源: 解析 C。地球的大气层是由不同的气体组成,“The Earth's atmosphere is also very important. It is made up of different gases.”。
百度试题 题目Nitrogen is the most plentiful gas in the {{U}}atmosphere.{{/U}} A.waterB.earthC.bodyD.air 相关知识点: 试题来源: 解析 D 反馈 收藏
Passage 101读一读AtmosphereThe atmosphere contains a gascalled oxygen. We need oxygen for ourbodies to work. There is no oxygen inouter space. That's why astronauts wearspecial suits in space.The atmosphere helps keep theEarth warm. Heat from the sun warmsmessphrethe Earth. The atmosphere ...
百度试题 结果1 题目Eachgreenhousegas___(吸热的能力不同)intheatmosphere.相关知识点: 试题来源: 解析 differsinitsability/hasdifferentabilitytoabsorbheat解析:“吸(热)”用动词absorb最合适。反馈 收藏
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 ...
英语考试The atmosphere is a blanket of gases around the Earth,For thousands of years these gases have kept the planet's temperature at about 15°C.How?By trapping some of the sun's heat,But now,because of pollution,there are more and more hot gas