A:周三
B:聚会
C:裙子
标有“220V100W”的甲灯和“220V40W”字样的乙灯(不考虑温度对灯丝电阻的影响),它们的电阻( )
小华同学想利用国庆节游览祖国的大好河山,他设计了四条从上海出发的游览线路.读图完成后面小题:
-Jeff seems unhappy. What's the matter?
-He got his bike lost this afternoon. Let's go to __________ him __________.