能否做到爱岗敬业，取决于从业者是否喜欢自己的职业。
参考答案：错
The latest model of this laptop, ________ appearance remains unchanged, works much faster than the
old one. [ ]
A. though
B. which
C. of which
D. whose
初级农产品所占比重下降最快的是______年。
A．1993
B．1995
C．1989
D．1991
