She'd rather the small one than the large one. [ ]
A. having
B. has
C. have
D. to have
答案:C
故障管理的目标是 【2】 以便网络能有效地运行。
有效成分能溶于水,且对湿、热较稳定的药材的提取宜采用()
A.浸渍法
B.渗漉法
C.水蒸气蒸馏法
D.超临界流体提取法
E.煎煮法