以商业利益为核心必然决定了谈判的中心议题是（）。
A.产品问题
B.服务问题
C.价格问题
D.利润问题
参考答案：C
Jack want to be a scientist _____ the future. [ ]
A. in
B. on
C. for
________ our journey by camel was!
A．What an exciting experience
B．What exciting experience
C．How excited experience
D．What an excited experience
