百度试题 结果1 题目ow much of the air is oxygen? 空气中有多少是氧气?how much of ………里面有多少 相关知识点: 试题来源: 解析 空气中氧气的含量约为21%。 问题是询问空气中氧气的含量。空气中氧气的比例约为21%。反馈 收藏
Oxygen in the Heart: How Much is too Much?doi:10.1097/shk.0000000000000760Miriam KalbitzChristiane WallerMarkus Huber-LangFlorian GebhardChris ThiemermannPeter RadermacherShock
这个句子的主语是water,谓语是will continue to be,表语是what it is today,补语是next in importance to oxygen.what 在句子中表示"什么的样子"就像She is no longer what she was ten years ago.她不再是十年前的样子了.as 不能引导表语从句.而how 是作状语,表示怎样.which指哪...
百度试题 结果1 题目6. Oxygen is one of the products (物) of plants. But how do they produce_ ()oxygen? 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
role in improving the life quality of residents. These small paradises offer a welcome escape from our busy city life. Furthermore, pocket parks have significant environmental benefits. They help to prevent urban heat island ...
Water will continue to be( )it is today—next in importance to oxygen. 问题1选项 A. how B. which C. as D. what 相关知识点: 试题来源: 解析 [答案]D [解析]考查语法。后面破折号的内容是对前一句做进一步的补充说明,空格处所在句子为表语从句,所填词引导表语从句且在句中做宾语。故D项正确。句...
搜索智能精选题目Water will continue to be ___ it is today—next in importance to oxygen.A.howB.whichC.asD.what答案D解析:what可以用来引导表语从句,如:One hundred and forty pounds was what I used to weigh.我过去重140磅。
They take over protective functions against soil erosion and landslides ( ); they make a significant contribution to the water balance as they prevent surface runoff; they filter dirt particles, greenhouse gases and radioactive substances from the air; they produce oxygen; they provide spaces for ...
根据汉语意思和提示补全句子。飞机里是低氧环境。这就是飞行会让你感觉不好的原因。Planes have lower oxygen level. This is how fl
The molecular sieve beds are porous & thus have large surface area due to which they adsorb large amount of Nitrogen. 3. Now because air had only Nitrogen and Oxygen as main components; the primary gas that remains is Oxygen. This Oxygen has a concentration of up to 95% and is ready ...