脑血栓形成的病因之一是感染了
A．肉毒杆菌
B．葡萄球菌
C．分枝杆菌
D．淋球菌
E．钩端螺旋体
参考答案：E
Running a company is not _____ a matter of hiring people - they also need to be trained. [ ]
A. simply
B. partly
C. seriously
D. equally
何谓条痕？条痕色和透明度有何关系？
