相关知识点: 试题来源: 解析 about关于,of……的,表示所属关系,on关于,在……上面,for为了,表示目的,symbol后接of sth,表示象征;后接for sth.表示符号,记号,根据the chemical symbol...water可知,此处指的是"水的化学符号"。故选:D。反馈 收藏
What is the chemical symbol for water? 反馈 收藏 有用 解析 免费查看答案及解析 本题试卷 基础考试题库及答案 4729人在本试卷校对答案 3 4页 每天0.1元解锁完整试卷 最低仅¥0.1 思路解析 本题详解 答案:H2O 开学特惠 开通会员专享超值优惠 助力考试高分,解决学习难点 新客低价 最低仅0.1元开通VIP ...
What is the chemical symbol for water? A. H2O B. O2 C. CO2 D. N2 相关知识点: 试题来源: 解析 A。解析:水的化学符号是 H2O。B 选项是氧气;C 选项是二氧化碳;D 选项是氮气。口语对话要点:讨论化学符号的意义以及常见物质的组成。反馈 收藏 ...
What is the chemical symbol for water?搜索 题目 What is the chemical symbol for water? 答案 A 解析 null 本题来源 题目:What is the chemical symbol for water? 来源: 英语卷子试题及答案 收藏 反馈 分享
aDONALD: Yesterday you said it's H to O. DONALD : 昨天您说它是H到O。 [translate] aTEACHER: Donald, what is the chemical formula for water? 老师: Donald,什么是化学式为水? [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语...
2.There are several chemical factories___ waste water into the stream.3.What's ___,the factory makes too much noise ...4.Noise is ___ to humans' health.5.People who work and live in noisy conditions often ___ deaf.6...many teenagers...
百度试题 结果1 题目What is the chemical formula for water?相关知识点: 试题来源: 解析 答案:The chemical formula for water is \( H_2O \)。反馈 收藏
B 试题分析： 句意：---这闻起来很难闻。这里发生了什么？---有一家化工厂正把污水排进河里。There be sth.doing.其中sth.是主语，doing是定语修饰主语，表示正在发生的事。动词短语pour into倒入。故选B。考点: 考查非谓语动词和介词的用法。
So what's the difference? They are both purified water right?. You pick your grade of water based on your application: For HPLC applications-mot are done using UV detection so HPLC grade water would be appropriate since it is assayed for organics which absorb in the UV range. It would no...
structure of water also makes it different from almost everything else on earth.Water is a liquid at room temperature and has a relatively high hreezing point.When dissovied gases and solids mix with pure water,the result is sea water,or salt water.The salinity of the...