各种风险管理方法中最简单、最消极的一种是()。
A.损失控制
B.风险隔离
C.风险自留
D.风险回避
参考答案:D
用所给词的适当形式填空。
1. My uncle often ____________ (watch) TV after supper.
2. Tom lives on the ____________ (five) floor.
3. She likes ____________ (sing) and dancing.
4. She ____________ (go) to work by bus every morning.
5. A salesperson can ____________ (be) either a man or a woman.
医院内感染的病原体的来源分为 __________ 和 __________ 两类。