当前轮后轮之间发生转速差时，差速限制机构能按照该转速差，控制油压多板离合器的接合力，从而控制前后轮的转矩分配。（）
参考答案：对
— Mr Smith, may I ask for a few days off? I am worn out.
— _____. We are as busy as a bee. [ ]
A. Don't mention
B. Forget it
C. No, you can't
D. Sure, go ahead
广义积分等于（）．
A.+∞
B.π/4
C.π/6
D.π/2
