急性根尖周炎浆液期的临床症状如下,除外()
A.持续自发痛
B.患牙能明确定位
C.温度测无反应
D.患牙浮出感
E.咬紧牙时痛加重
参考答案:E
100克的水里放入10克的盐,盐占盐水的10%.______.
How many positive integers k are there such that 100k is a factor of (22)(3)(53) ?()
A.None
B.One
C.TWO
D.Three
E.Four