______ the thesis in time made the professor rather angry.
A.The student’s not having completed
B.The student not having completed
C.The student’s having not done
D.The student having not done
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Mary regretted ______ the manager in this company.
A.not to get on well with
B.not having got on well with
C.not get on well with
D.having not got on well with
1. 中药药剂学应坚持以中医药理论为指导，其处方组成必须符合：
A. 中医药理论
B. 现代医药学理论
C. 生物技术
D. GMP
E. 药效理论学
中药制剂的工艺过程必须首先考虑君臣药的提取效率，考虑的成分有
A. 有效成分
B. 指标性成分
C. “活性混合物”
D. A、B和C
E. A和B
与产生液态金属沿枝晶间流动无关的因素是（ ）。
A. 熔体本身的流动
B. 凝固收缩的抽吸作用
C. 密度差而发生的对流
D. 保证凝固前沿为平界面
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