每隔50m应连接1根断面不小于()的铜线或其他具有等效电阻的导线。
A.30mm2
B.60mm2
C.40mm2
D.50mm2
参考答案:D
词汇基础:根据首字母,中文意思提示和所给单词适当形式填空,并把【答案】填写在答题卷相应的位置上。(共10个小题,每小题1.5分, 满分15分)
小题1:The coming typhoon will have a strong e on coastal areas.
小题2:Qi Baishi is known as a great a .
小题3:He e the importance of careful driving.
小题4:They drew a c after a discussion.
小题5:The plane crashed into the sea, and there were no s__________.
小题6:Every child is ___________ (独特的,唯一的) to their parents.
小题7:Professor Li was very ____________ (失望的) with his son.
小题8:Her rapid progress in English was___________ (令人惊讶的).
小题9:When you write a composition, you had better use your__________(想像力).
小题10:The boy is more ___________ (聪明) than he looks.
读压力表值时,眼睛正视表盘做到眼睛、表针、()三点成一线。
A、刻度
B、表盘
C、表
D、量程