根尖周炎细菌感染的途径绝大多数是通过
A．深牙周袋B．牙髓炎C．菌血症D．邻近间隙感染E．上颌窦感染
参考答案：B
I was just going to cut my rose bushes but someone it. Was it you?[ ]
A. has done
B. had done
C. would do
D. will do
“同工同酬”原则中的“同工”指的是劳动者（）。
A．处于同一行业
B．从事同一职业
C．完成相等价值的工作
D．属于同一种族
