除个别不确定性以外,通过(),一般不确定性可以转化为风险。
A.发生概率计算
B.主观判断
C.降低防范
D.提高防范
参考答案:B
When the millionaire was young, he was very poor. Only by doing parttime jobs during the summer holiday ________ afford to pay his college fees.
A.he could
B.could he
C.can he
D.he can
医院信息系统是医疗信息化管理最重要的基础,是一种集()等多种技术为一体的信息管理系统。
A.管理
B.信息
C.医学
D.计算机