题目

A: --Hi, Peter    1   . B: --I often go to school by bike. A: --     2    . B:--No, in fact it’s a little far. It takes me about fifty minutes to get to school by bike. A:--     3       . B: --Maybe going by bus is the best way to go to school, but I like riding my bike. It’s cheap and doesn’t cause air pollution.     4     . A: --There will be less air pollution if more people in our city ride bikes. B: --Yes, I hope the air in our city will get fresher. A: --But riding bikes can be dangerous.  5    . B:--I obey the traffic rules wh6．民生小学少先队员进行表演，每列8人，可以排成6列，如果每列减少2人，可以排成多少列？下面列式正确的是（　　）A．8×6+2B．8×6+（8-2）C．8×6+（8+2）