题目Metal is a good (导体) electricity.相关知识点: 试题来源: 解析 conductor 本题考查名词用法。①句意分析:“金属是很好的导电体”。②词性判断:good是形容词,修饰名词。③解题要点:conductor名词,可以表示导体。因此本题答案为conductor。反馈 收藏
(所给词的适当形式填空) 相关知识点: 试题来源: 解析 【答案】conductor 【解析】【分析】【详解】考查名词。句意:众所周知,金属是良导体。分析句子成分可知,“a good ___ (conduct)”作表语,根据其前的冠词a可知,应用单数形式,意为“导体”,故填conductor。反馈 收藏 ...
A. Graphite B. Silicon C. Phosphorus D. Sulfur 相关知识点: 试题来源: 解析 A。题目中描述的元素是非金属且是良好的电导体。硅是半导体不是良好导体。磷和硫都是非金属但不是电导体。而石墨是非金属且是良好的电导体。反馈 收藏
The thermal and electrical conductivity of all metals is high compared to nonmetallic substances, such as plastics and ceramics, rocks, and solid salts.The aluminum foil, steel wool, paper clip, copper, charcoal stick, and graphite pencil were good conductors and displayed metallic properties. The...
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。
Among these elements, which one is a non - metal element known for its excellent electrical conductivity? A. Silver B. Copper C. Graphite D. Iron 相关知识点: 试题来源: 解析 C。解析:Graphite(石墨)是碳的一种同素异形体,属于非金属元素,它以良好的导电性而闻名。Silver(银)、Copper(铜)和Iron...
According to the passage, “Metal” is ___. A. an app which helps you surf the web B. a framework which helps everything look more beautiful C. something that can promote the graphic performance D. an app helping play the most complex 3D video games 相关...
百度试题 结果1 题目【题目】a good conductor, the metal is madeinto cables.It isT o beBeBeing 相关知识点: 试题来源: 解析 【解析】D 反馈 收藏
Metal is a common material in engineering. Which of the following is not a metal? A. iron B. aluminum C. glass D. copper 相关知识点: 试题来源: 解析 C。本题考查材料科学中金属的概念。铁(iron)、铝(aluminum)和铜(copper)都是常见的金属。而玻璃(glass)是一种非金属材料,主要由硅酸盐等组成...
1. Identify the Material: The question states that mica is being considered in terms of its electrical conductivity. 2. Classify Mica: Mica is classified as a non-metal. Non-metals generally do not have free electrons available for conduction. 3. Understand Electrical Conduction: For a material...