以下哪项不包括在流行病学用途之中:()。
A.病因的探索
B.预防措施的效果评价
C.临床观察
D.人群患病情况分析
参考答案:C
.
With everything arranged properly, the project is surely to _________ smoothly as planned, step by step.
A.improve
B.increase
C.progress
D.occur
企业文化的作用及其作用途径有哪些?