What is Dissolved Oxygen? Fish and other aquatic organisms survive in water because of DO. The amount of DO in water is affected by the water temperature, salt concentration, and atmospheric pressure, among other factors. Where water is polluted with high levels of organic pollutants and a high...
E. [细节理解题。根据第二段中“The temperature was just right for...Water made it possible for plants go grow...the gas that humans and animals breathe.”可知,温度、 水和氧气使地球上出现生命成为可能,故选D项。] 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
2)13. Is oxygen(氧气) the only gashelpsfireburn?DA. itB.whatC./D.that 3 Is oxygen the only gas ___ helps fire burn? [ ] A. it B. which C. / D. that 4 Is oxygen the only gas ___ helps fire burn? [ ] A. it B. which C. / D. that 5Is oxygen the only ga...
百度试题 结果1 题目Is oxygen the only gas___helps fire burn? A. that B. / C. which D. it 相关知识点: 试题来源: 解析 A 正确答案:A 解析:先行词gas被only修饰,关系代词要用that,而不用which。反馈 收藏
水将继续保持其当今仅次于氧气的重要性。water 主语 will continue to be 谓语 what it is today 表语 next in importance to oxygen。补语
我们在地球上呼吸的氧气是由细菌产生的
mitochondria, the reported H2O2only varies between 1 and 100 nMol (Halliwell and Gutteridge2007). H2O2by itself is not a radical, and it is not as hazardous as•OH, but it can be easily converted into the extremely reactive•OH by a single electron transfer (Fig.2). Its half-life ...
[解答]答案:C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.
Now You Have It All! AI-powered Development, Part 1: Automating Error Resolution Wed, January 29, 2025 See what is new in Oxygen Feedback 5.1 December 11, 2024 See what is new in Oxygen XML Editor 27.0 November 27, 2024 See what is new in ...
Oxygen Updater is a third-party app for OnePlus devices that allows you to install official OTA (over-the-air) updates ASAP. Ensure your device is up-to-date — it's quick, easy, and free! - oxygen-updater/oxygen-updater