An elephant ___________ a trunk.[ ]
A. has
B. to have
C. have
答案：A
There _____ some eggs on the plate. But there _____ any bread on it. [ ]
A. are; aren't
B. are; isn't
C. is; isn't
（）是指将风险可能造成的损失的全部或者一部分留由其自身进行承担，也就是说不采用转移的方式处理风险。
A．风险抑制
B．风险自留
C．风险事故
D．风险损失
