题目

The beggar spent a lot of time with his dog, who became his closest ________ (伙伴). (根据汉语提示单词拼写) 答案：【答案】companion【解析】考查名词。句意：乞丐花了很多时间和他的狗在一起，狗成了他最亲密的伙伴。根据汉语提示“伙伴”，可知应填名词companion，作表语，根据上文The beggar spent a lot of time with his dog,who became his closest可知应用单数。故填companion。如图所示，L1、L2是两个规格不同的灯泡，当他们如图所示连接时，恰好都能正常发光．设电路端的电压保持不变，则在将滑动变阻器的滑动头向右移动的过程中，L1和L2两等的亮度变化的情况是（ ）A．L1亮度不变，L2变暗B．L1变暗，L2变亮C．L1变亮，L2变暗D．L1变暗，L2亮度不变