2. Carbon dioxide in the air is mostly___ for the“greenhouse effect”.A. responseB. responsibleC. responsesD. repeat 相关知识点: 试题来源: 解析 B. responsible 本题考察对“负责”的英语表达。由于“对...负责”通常用“be responsible for”表达,因此正确答案为 B. responsible。反馈 收藏 ...
相关知识点: 试题来源: 解析 B. responsible 该题询问二氧化碳在温室效应中的作用,选项中只有“responsible”最合适。因为“responsible for”表示“对...负责”或“是...的原因”,而二氧化碳是导致温室效应的主要因素之一。因此,答案为 B. responsible。反馈 收藏 ...
百度试题 结果1 题目Air is a ___ (mix) of oxygen, carbon dioxide and so on.相关知识点: 试题来源: 解析反馈 收藏
But now air pollution is destroying it and making a very big hole in the ozone layer. Too much harmful radiation from the sun passes through the hole and reaches the earth directly. This is very dangerous because this kind of radiation can caus...
1. Hollow composite fibre capable of being used, in particular, to remove water vapour from the air or from carbon dioxide gas, characterized in that it is constituted by : a) a hollow asymmetric polymeric fibre which has no selectivity for the water vapour in the air or in carbon dioxide...
根据前一句"Since they were first set in 1987,efficiency standards for dozens of appliances and products have kept 2.3 billion tons of carbon dioxide out of the air. Thatd's about the same amount as the yearly carbon pollution coughed up by nearly 440 million cars. When shopping for ...
Carbon dioxide is a natural greenhouse gas, commonly produced by the air we exhale. At higher levels, CO2 affects productivity, sleep and infectious disease transmission. Learn more on CO2 health effects, safe CO2 levels, and ways to reduce CO2.
___the more severe global warming effects.A . contributed to B . to contribute to C . contributing to D . to be contributed to 相关知识点: 试题来源: 解析 C 【解析】 C 考查非谓语作状语。句意:越来越多的二氧化碳被释放到空气中 , 导致温室效应更严重。 contribute to 导致 , 促使。空格处...
More carbon dioxide is being produced.C. Without it temperatures on our planet would be very low.D. CO2 is a gas that is highly responsible for global warming.E. Living creatures produce carbon dioxide when they breathe out.F. High levels of CO2 occur when there is not enough fresh air ...
百度试题 结果1 题目4. Carbon dioxide is being released into the air,contributing(contribute) to the more severe global warming effects. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏