Copper is a good conductor of electricity. Which of the following is not a good conductor? A. Silver B. Rubber C. Gold D. Aluminum 相关知识点: 试题来源: 解析 B。解析:在自然科学中,橡胶(rubber)是绝缘体,不是电的良导体。而银(silver)、金(gold)和铝(aluminum)都是良好的电导体。从英语...
题目Which substance is a good conductor of electricity? A. Glass B. Wood C. Metal D. Plastic 相关知识点: 试题来源: 解析 C。本题考查物质的导电性。Glass(玻璃)、Wood(木头)、Plastic(塑料)都是绝缘体,不导电;Metal(金属)是良好的导体。
Water is a good conductor of electricity because ___. A. it is clear B. it is liquid C. it can carry electric current easily D. it is cold 相关知识点: 试题来源: 解析 C。中文解析:水是电的良导体是因为它能很容易地传导电流。A 选项“它是清澈的”,B 选项“它是液体”,D 选项“它是...
百度试题 结果1 题目The element that is a good conductor of electricity is ___. A. oxygen B. sulfur C. copper D. nitrogen 相关知识点: 试题来源: 解析 C。铜是一种良好的电导体。氧气、硫和氮气通常不是良好的电导体。反馈 收藏
题目The element that is a good conductor of electricity is ___. A. oxygen B. sodium C. phosphorus D. sulfur 相关知识点: 试题来源: 解析 B。钠是一种金属元素,金属通常是良好的导电体。氧、磷、硫都不是良好的导电体。反馈 收藏
Which of the following materials is a good conductor of electricity? A. Glass B. Plastic C. Copper D. Rubber 相关知识点: 试题来源: 解析 C。本题考查导体和绝缘体。玻璃(Glass)、塑料(Plastic)、橡胶(Rubber)都是绝缘体,铜(Copper)是良好的导体。所以选 C。
Which of the following substances is a good conductor of electricity in its aqueous solution? A. Sugar B. Ethanol C. Sodium chloride D. Oil 相关知识点: 试题来源: 解析 C。解析:在化学里,氯化钠(sodium chloride)是电解质,其水溶液能导电。而糖(sugar)和乙醇(ethanol)是非电解质,它们的水溶液不...
<p>To determine which material, diamond or graphite, is a good conductor of electricity, we can analyze their structures and the behavior of their electrons.</p><p>1. <strong>Identify the Materials</strong>: We are comparing two allotropes of carbon: dia
1) Copper is a good conductor of electricity. 铜是电的良导体。 2) Copper is a good conductor of heat. 铜是热的良导体。 3) copper is a good medium for conducting heat 铜是传热的良导体 4) Copper and aluminium are good conductors. ...
Silver is the best conductor of electricity, copper ___ it closely. A. followed B. to follow C. following D. being followed 相关知识点: 试题来源: 解析 C 考查独立主格结构。句意为“银是电的最良导体,铜紧跟其后”。本句的主语是silver.但后半句的逻辑主语是copper,所以用“逻辑主语+现在分词...