多次重复测定同一血清蛋白标本时,±2s范围包含全体的()
A.31.6%
B.68.3%
C.95.5%
D.99.7%
E.100%
参考答案:C
下列磁盘调度算法中,()体现了公平性
A.先来先服务
B.最短寻道时间优先
C.电梯算法
D.单向扫描
She was afraid _____ the dog in case it became dangerous .
A.of exciting
B.to excite
C.that she excited
D.to be exciting