Brennan, John. "What Do Plants Release Into The Air?"sciencing.com, https://www.sciencing.com/what-do-plants-release-into-the-air-13427940/. 21 July 2017. APA Brennan, John. (2017, July 21). What Do Plants Release Into The Air?.sciencing.com. Retrieved from https://www.sciencing.com...
相关知识点: 试题来源: 解析 C。中文解析:文章中提到“Factories and power plants release large amounts of pollutants into the air.”,所以工厂和发电厂向空气中释放大量污染物。A 选项干净的空气错误;B 选项水错误;D 选项氧气错误。反馈 收藏
What do plants do to the air? A. Make it dirty B. Purify it C. Add pollutants to it D. Make it thinner 相关知识点: 试题来源: 解析 B。植物可以净化空气。A 选项是使空气变脏,C 选项是给空气添加污染物,D 选项是使空气更稀薄,都不符合。
Throughphotosynthesis, they convert the carbon dioxide we exhale into fresh oxygen, and they can also remove toxins from the air we breathe. One famous NASA experiment, published in 1989, found that indoor plants can scrub the air of cancer-causing volatile organic compounds like formaldehyde and ...
As the plant was9 into the air, several large tubers(块茎) dropped onto the ground. I held the plant high in the air,10 a few more potatoes that were still attached at the roots. Jennifer stood with a shocked look on her face. I held one out for her to touch. As she took the...
D.KéréwasquitepleasedtowinthePritzkerPrize. 30分钟能力强化组合练(二) 第6页 6 ( )2.WhydoesKéréusuallyusebricksmadeoflocalclayandcement? A.Tomakebuildingsstronger. B.Tokeepcoolinhotweather. C.Toprotectstudentsfromrain. D.Toensurebetterindoorairflow. ( )3.WhatdidNébilaprobablythinkofKéré?swin...
题目Plants can make air fresh. What do plants release to make air fresh? A. Water B. Oxygen C. Carbon dioxide D. Soil 相关知识点: 试题来源: 解析 B。植物释放氧气使空气清新。A 选项水不是使空气清新的物质;C 选项二氧化碳不是使空气清新的物质;D 选项土壤也不是使空气清新的物质。
Plants release oxygen into the air. This is important for what? A. Keeping the air clean B. Making the air dirty C. Stopping animals from breathing D. Harming the E. nvironment 相关知识点: 试题来源: 解析 A。解析:植物释放氧气到空气中,这对于保持空气清洁很重要。选项 B 使空气变脏错误,...
childrentodevelopkeylifeskillsthatarenottaughtelsewhere.Fewwouldquestionthevalueof developingcreativity,leadership,resourcefulness,andcuriosity. ( )1.WhatdochildrendoonOutdoorClassroomDay? A.HaveP.E.classesontheplaygrounds. B.Haveadayoffandgoplayinganywhere. C.Learnandplaybyusingnaturalthingsoutside. D.Play...
The robot compares each photo to a library of plant photos to decide on which plants are weeds. Robot arms move into position to give a small dose (剂量) of weedkiller on the weeds. The robot is energy-friendly. 4 . How the robot will develop The scientists do not want to just...