题目

The flowers start to in spring. A. come in                      B. come out C. come from                    D. come to 答案：选B。考查短语辨析。come in进来, come from来自, come to来到, come out开放。根据句意: 鲜花在春天开放, 可知选B。如图所示，电路中A、B是规格相同的灯泡，L是电阻可忽略不计的电感线圈，那么 A.合上S， B先亮A后亮，然后A变暗后熄灭B.合上S，B先亮，A逐渐变亮，最后A、B一样亮C.断开S，A立即熄灭，B由亮变暗后熄灭D.断开S，B立即熄灭，A闪亮一下后熄灭