In a text about the properties of metals, "Metals are good conductors of heat and electricity." Which of the following is not a property related to this characteristic? A. They have a high density B. They have free electrons C. Their atoms are closely packed D. They are brittle 相关...
百度试题 结果1 题目Metals are good conductors of both___ A. Electricity and heat B. Heat and light C. Heat and magnetism D. Electricity and magnetism 相关知识点: 试题来源: 解析 A 反馈 收藏
___ are good conductors. 并非所有的金属都是良导体。相关知识点: 试题来源: 解析 Not all metals [解析] [详解] 考查固定用法。not与all连用,是部分否定,句子第一个单词的首字母大写,所以填Not all metals。反馈 收藏
A. Non-metals are bad conductors of heat. B. Metals can transfer heat quickly. C. All materials are good conductors of heat. D. Heat can be conducted through metals E. asily. 相关知识点: 试题来源: 解析 C。本题考查对热传导的理解。A 选项非金属通常是不良导体,符合常理;B 和 D 选项...
译文. 几乎所有金属都是导体,银是最好的。 A. Almost, being B. Almost all, being C. Almost, is D. Almost all, to be 相关知识点: 试题来源: 解析 B。 silver being the best conductor of all独立主格结构做状语。反馈 收藏
2 ___ metals are good conductors, silver ___ the best conductor of all. A.Almost, being B.Almost all, being C.Almost, is D.Almost all, to be 3【题目】metals are good conductors, silver thebest conductor of all.A.Almost, beingB. Almost all, beingC. Almost, isD . Almost all,...
百度试题 结果1 题目( ) are good conductors of electricity and heat, having lustrous appearance.A.metalsB.ceramicsC.polymersD.Composites 相关知识点: 试题来源: 解析 答案:A 反馈 收藏
(a) Explain why(i) metals are good conductors of electricity.(ii) insulators do not conduct electricity.[3] 相关知识点: 试题来源: 解析 (a) mark (i) and (ii) together:mention of free electrons(current is) flow/movement of free electronsinsulators contain no free electrons / metals contain...
Metals are good conductors of heat and electricity because they contain a glut of free electrons. These free electrons are able to move around freely and collide with one another, propagating heat and electricity through the metal. The majority of materials that conduct heat and electricity are m...
Almost all metals are good conductors, ___.( ) A. and silver being the best of all B. silver is the best of all C. silver being the best of all D. while silver being the best of all 相关知识点: 试题来源: 解析 [解答]答案:C.考查独立主格结构.在英语中,两个句子不能用逗号连接,...