【简答题】A.Mr. Smith. B.Mr. Johnson. C.The woman. D.Mr. Black.
【简答题】根据定积分的几何意义,判定下列定积分的值是正还是负(不必计算).
【简答题】The harassing budget problems of the past few months have on her health and there are shadows beneath her eyes.
【简答题】The harassing budget problems of the past few months on her health and there are shadows beneath her eyes.
【单选题】The harassing budget problems of the past few months————-on her health and there are shadows beneath her eyes.
【单选题】Why did the boss send Mr. Black to China on business?
A.
Mr. Black had never been to China before.
B.
Mr. Black was an able and hardworking man.
C.
Mr. Black could buy something interesting for Tony.
【多选题】一般纳税企业“应交增值税”明细账户设置的专栏有( )
【单选题】What does the man mean?
A.
Mr. Black isn't in the office.
B.
Mr. Black is busy in the office.
C.
Mr. Black is asking the way.
【单选题】直角坐标系下的分离变量法,非平凡解可能形式 是( )