电力需求侧管理的英文缩写是（）。
A.IEEE
B.DSM
C.CAN总线
D.BMS
参考答案：B
A: Hey, Ben! I need your help.
B: 1.?
A: Linda’s birthday is coming.2?
B:3a photo album?
A: No, that’s too boring.
B: Why 4 get her a scarf?
A: I think it’s too personal.
B: Well, maybe you can hang out this weekend and then decide 5. to buy?
A: Thank you!
B: You are welcome..
提升速度图是表示提升容器的（）按（）变化的曲线。
