一般情况下,无差异曲线的斜率等于两种商品的效用之比。
A. 对
B. 错
The personresume best fits the needs of the employer will get a call for an interview.A) whoseB) whichC) thatD) who
A
B
C
D
I am interested in the training course, whichat Hilton Hotel in Beijing from March 8 to 12,2018.A) heldB) was heldC) will holdD) will be held
A
B
C
D
Companies understandably ask: why should I train youyou'll leave and work for my competitors?A) ifB) unlessC) untilD) although
A
B
C
D