A. Digestion. B. Respiration. C. Filtration. D. Production. 相关知识点: 试题来源: 解析 B。解析:“The lungs are also essential. They take in oxygen and release carbon dioxide. This process is called respiration”,肺吸入氧气并排出二氧化碳的过程叫做呼吸作用。反馈 收藏 ...
What does trees do? A. Absorb oxygen and release carbon dioxide. B. Absorb carbon dioxide and release oxygen. C. Absorb water and release carbon dioxide. D. Absorb carbon dioxide and release water. 相关知识点: 试题来源: 解析 B。解析:文章提到树木吸收二氧化碳并释放氧气,A 选项弄反了;C 和...
A. To produce oxygen and water. B. To produce oxygen and glucose. C. To produce carbon monoxide and glucose. D. To produce nitrogen and glucose. 相关知识点: 试题来源: 解析 B。原因:文中提到“Plants use carbon dioxide during photosynthesis to produce oxygen and glucose.”。 反馈...
THE NATURALIST: Take in oxygen; Give back a little carbon dioxide - what a perfect cycleKathleen Kudlinski
A. Absorbing carbon dioxide and releasing oxygen. B. Absorbing oxygen and releasing carbon dioxide. C. Absorbing water and releasing oxygen. D. Absorbing carbon dioxide and releasing water. 相关知识点: 试题来源: 解析 A。本题考查植物在生态系统中的作用。植物可以吸收二氧化碳并释放氧气,选项 B 是吸...
C. Oxygen gas, water, and sodium bicarbonate. D. Hydrogen gas, water, and sodium acetate. 相关知识点: 试题来源: 解析 B。中文解析:文中提到“The reaction produces carbon dioxide gas, water, and sodium acetate.”A 选项中的氧气不是该反应产物;C 选项中的氧气不是该反应产物;D 选项中的氢气不...
Scientists at MIT are trying to figure out where the oxygen in the universe comes from, and how oxygen and carbon are made.
( )2.WhydoesKéréusuallyusebricksmadeoflocalclayandcement? A.Tomakebuildingsstronger. B.Tokeepcoolinhotweather. C.Toprotectstudentsfromrain. D.Toensurebetterindoorairflow. ( )3.WhatdidNébilaprobablythinkofKéré?swiningthePritzker? A.Touchingandimpressive. B.Amazingandunexpected. C.Deservingandfortu...
Plants take in carbon dioxide and give out oxygen. What is this process called? A. Photosynthesis. B. Respiration. C. Digestion. D. Circulation. 相关知识点: 试题来源: 解析 A。解析:植物吸收二氧化碳释放氧气的过程叫光合作用。选项 B 呼吸作用是生物吸收氧气释放二氧化碳;选项 C 消化作用是生物体...
What do plants use from the air to make food? A. Oxygen B. Nitrogen C. Carbon dioxide D. Argon 相关知识点: 试题来源: 解析 C。中文解析:文中提到“Plants also need air. They use carbon dioxide from the air to make food.”,植物利用空气中的二氧化碳制造食物。反馈 收藏 ...