Theterriblenoiseis______memad.
A、turning
B、setting
C、driving
D、putting
A、事件A,B都发生
B、事件B发生而事件A不发生
C、事件A发生而事件B不发生
D、事件A,B都不发生
计算二重积分dDxy,其中区域D为曲线r1cos0与极轴围成.
Takeit______.Itisnothingbutajoke.
A、easy
B、easily
C、serious
D、seriously
Many_______willbeopenedupinthefutureforthosewithauniversityeducation.
A、probabilities
B、realities
C、necessities
D、opportunities