题干
---Does the museum have a gift shop? I want to get something for my friend.
---_____________.
---_____________.
A：No, I’m sorry to say I’m still working for it
B：No, I need to see your passport
C：Yes. I think I saw one on the first floor
D：Yes, I do agree that it’s a good sho
答案(点此获取答案解析）
C
的示数、小灯泡L的亮度分别会怎样变化（ ） 