—Where's my seat? — (在门附近)[ ]
A. It's near the door.
B. It's near the desk.
答案:A
微分方程(2y-x)dy=ydx的通解是______.
某职工,竞争意识强,总想胜过他人;老觉时间不够用,说话快、走路快;脾气暴躁,容易激动;常与他人意见不一致。其行为类型属于
A.A型行为B.B型行为C.C型行为D.AB混合型行为E.BC混合型行为