Electricity can flow through conductors. Which of the following is a good conductor? A. plastic B. wood C. copper D. rubber 相关知识点: 试题来源: 解析 C。解析:电可以通过导体流动。铜是良好的导体。选项 A 塑料、选项 B 木头和选项 D 橡胶都是绝缘体。
Electricity can flow through conductors.Which of the following is a good conductor? A. Rubber. B. Wood. C. Metal. D. Glass. 相关知识点: 试题来源: 解析 C。本题考查导体的认识。橡胶、木头和玻璃都是绝缘体,金属是良好的导体。反馈 收藏 ...
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...
Which of the following materials is a good conductor of electricity? A. glass B. rubber C. copper D. plastic 相关知识点: 试题来源: 解析 C。铜是良好的电导体。选项 A 玻璃、选项 B 橡胶和选项 D 塑料都是绝缘体。本题涉及物理知识点是导体和绝缘体,英语知识点是材料名称的表达。反馈 收藏 ...
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。
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...
17 A bar of metal, which is a good thermal conductor, is heated at one end. What is the main method of transfer of thermal energy along the bar?A latice vibrationB movement of atoms of the metal along the barC transfer by electronsD vibration of atoms of the metal bar 相关知识点: ...
②The language teachers association provides a mediumthrough which ideas can be shared and discussed.语言教师协会提供了一种交流和讨论意见的媒介。 3)根据整个句子所要表达的含义来确定,如: The substance in which there are many electrons is a goodconductor.含有大量自由电子的物质,是良导体。(这个in并不...
Which material is a good conductor of electricity? A. 分所分所Plastic分所分所 B. 例清不几清看书思写白出价引组交按例清不几清看书思写白出价引组交按Wood例清不几清看书思写白出价引组交按例清不几清看书思写白出价引组交按 C. 公会做手同定取公会做手同定取Metal公会做手同定取公会做手同定取 ...
For my part, I have no idea whether Gilbert is a great conductor or even a good one. To be sure, he performs an impressive variety of interesting compositions, but it is not necessary for me to visit Avery Fisher Hall, or anywhere else, to hear interesting orchestral music. All I have...