---How's the weather in Boston?
--- ________.
A:Sounds good
B:It's windy
C:Fine, thank you
提倡节俭,必须从小事做起,这些小事是( )①随手关灯、夏季空调调高几度 ②按量打饭菜、拧紧水龙头③爱惜书本,不乱撕书本 ④爱护桌椅、门窗、教学仪器和体育设备