头皮血肿中血肿最易扩散的是（）
A.皮下血肿
B.帽状腱膜下血肿
C.骨膜下血肿
D.肌筋膜下血肿
E.颞肌间血肿
参考答案：B
红霉素抑制细菌的（）
A．DNA聚合酶
B．DNA损伤修复
C．RNA聚合酶
D．启动子
E．核糖体
One of the things we have to do to prevent a pandemic is to make sure people understand and know what they can do to minimize the commotion.
A. command B. collusion C. turmoil D. tutelage
