题干
——My family usually go hiking for vacation. I like hiking, but I want to try something different this year.
—— ____________
—— ____________
A：Let’s go!
B：Cheer up!
C：Like what?
D：Take care!
答案(点此获取答案解析）
C
V时，灯泡L1、L2均正常发光，电压表和电流表可视为理想电表．则下列说法中正确的是
中，
，则公比
的值为 ( )
