aOrganic tin compounds are substances which contain an organic moiety in their structure. OC can only be determined in accordance with the standard after derivatization. 有机罐子化合物是在他们的结构包含有机份额的物质。 OC可能只是坚定的与标准符合在衍生作用以后。 [translate] ...
百度试题 结果1 题目14 Which substances are produced by the action of amylase on starch? A amino acids B fatty acids and glycerol D C salts D simple sugars 相关知识点: 试题来源: 解析 D 反馈 收藏
In the process of food spoilage, some substances are oxidized. Which of the following is likely to be an oxidizing agent in this process? A. Oxygen in the air B. Water in the food C. Lipids in the food D. Proteins in the food ...
Which of the following substances are excluded by “drugs” according to this article? A. Some kind of wine. B. Coffee. C. Cigarette. D. Penicillin. 相关知识点: 试题来源: 解析 D 正确答案:D 解析:第2段的开头部分描述了一些我们没有意识到能上瘾的物质,如生活中的烟、酒、咖啡和部分药片等...
Pollutants are substances which, when present at high enough concentrations, produce harmful effects on people and/or the environment.Sulfur dioxide Sulfur dioxide is produced when coal and oil are burnt or when minerals are "roasted" to remove the sulfur. In some countries, particularly in the ...
百度试题 结果1 题目10 Which substances are used for photosynthesis?B A carbon dioxide and glucose B carbon dioxide and water C glucose and oxygen D glucose and water 相关知识点: 试题来源: 解析 B 反馈 收藏
a凡尼亚 正在翻译,请等待... [translate] a亲爱的,我希望你永远健康,天天开开心心 Dear, I hoped you forever are healthy, daily happy [translate] aOf the following substances, which are not used as sources of energy by living things? 以下物质,没有使用作为能源由生物? [translate] ...
答案 A[解析] attributes属性,特性;tendencies倾向;elements元素;ingredients成分。因此A最符合题意。 相关推荐 1Substances, whether in the solid, liquid, or gaseous state, possess___ which are independent of the force of cohesion. A.attributesB.tendenciesC.elementsD.ingredients 反馈 收藏 ...
Non-gaseous substances which___naturally as pure elements, such as gold, are rare and are often highly valued. A. happen B. occur C. perceive D. assume 相关知识点: 试题来源: 解析 B 本题考查句意 句意为“非气态物质,那些自然……就像纯元素,像金,非常稀有并且经常是高价值的” 这里应该...
百度试题 结果1 题目1. In which one of the following substances are the particles closest together? A A. dry ice B. molten iron C. oxygen gas D. aqueous sodium chloride 相关知识点: 试题来源: 解析 A 反馈 收藏