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...
A. is very cheap B. has a high resistance C. is a good conductor of electricity D. is E. asy to be made into different shapes 相关知识点: 试题来源: 解析 C。解析:铜常被用作电线是因为铜是良好的电导体(good conductor of electricity)。A选项虽然铜相对比较便宜,但这不是主要原因;B选项铜...
Copperis a good conductor of electricity. 铜是良导体. 《现代英汉综合大词典》 The students are asked to prove the purity ofcopper. 要求学生们检验铜的纯度. 《简明英汉词典》 Copperis a good medium for the conduction of heat and electricity. ...
分析：conductor 导体 bad conductor 不良导体 good conductor 良导体 overhead conductor 架空线 ; 架空导线 ; 架空电线 Central conductor 中心导体 ; 中线 ; 中间导线 Wood is a poor conductor of heat and electricity.木头是热和电的不良导体。
百度试题 结果1 题目Silver is the best conductor of electricity, copper is closely. A. followed B. to follow C. following D. be followed. 相关知识点: 试题来源: 解析 C 反馈 收藏
相关知识点: 试题来源: 解析 B ,考查现在分词,句子的后半句是独立主格结构,follow与copper构成了主动的形式,因此使用其现在分词形式.故选:.银是最好的电导体,紧接着就是铜.考查非谓语形式,应判断其与主语是主动还是被动的关系,再确定答案.反馈 收藏
1. The long-term permissible operation temperature of the conductor shall not be higher than 70 2. The max temperature of the conductor of cable should less than 160 when short circuit. (less than 5 second) 3. The cable is not limited by drop in ...
copper (Cu),chemical element, a reddish, extremely ductilemetalof Group 11 (Ib) of theperiodic tablethat is an unusually good conductor ofelectricityandheat. Copper is found in the free metallic state in nature. This native copper was first used (c. 8000bce) as a substitute for stone byNe...
Description: Bare copper conductor is a copper stranded wire is formed by twisting two or more copper wires together. Due to its strong tensile resistance and low resistance, hard copper stranded wires are often used in areas that require conduc...
Silver is the best conductor of electricity, copper ___ it closely.是沪江提供的学习资料,沪江是专业的互联网学习平台,致力于提供便捷优质的网络学习产品,在线课程和服务。