以下情况中,能造成短路的是()。A、连接到照明灯泡上的两根输电导线头连接在一起 B、 发布时间:2017-07-28 14:22 │ 来源:www.tikuol.com 题型:单项选择题 问题: 以下情况中,能造成短路的是()。A、连接到照明灯泡上的两根输电导线头连接在一起B、连接到开关上的两根输电导线头接触在一起C、将一根铜导线插入插座内D、将台灯上的插头插入插座内
题型:单项选择题 完形填空。 One day a young officer (军官) was at a station. He was 1 his way to visit his mother in 2 town. He wanted to 3 her and tell her 4 his train would arrive. In this way she could meet him at the stationin her car. He looked in his 5 but couldn't find the 6 money for the telephone, so he went 7 to askfor help. An old soldier happened to pass by. The officer 8 him and asked, "Have you got any change (零钱)for ten pence (便士)?" "Wait a moment," the soldier answered while he was looking for the money in his pocket. "Don't you know how to speak to an officer?" the officer said 9 . "Now, let's start again. Have you got any change for ten pence?" " 10 , sir," the old man answered quickly. ( )1. A. in ( )2. A. the ( )3. A. call ( )4. A. how ( )5. A. look ( )6. A. good ( )7. A. inside ( )8. A. stopped ( )9. A. happily ( )10. A. Yes B. at B. a B. write B. where B. diary B. rich B. in B. hit B. sadly B. OK C. on C. the same C. find C. when C. address C. much C. outside C. hated C. angrily C. Sure D. by D. another D. hear D. why D. pocket D. right D. home D. enjoyed D. easily D. No 查看答案