激励成果转化的有效手段是（）。
A.技术入股
B.持股孵化
C.期权交易
D.技术入股与持股孵化
参考答案：D
My friend Mary was very sick with a strange fever, ________, she could neither eat nor sleep.[ ]
A. as a result
B. after all
C. at all
D. otherwise
胃手术选用足三里穴。()
