患者胸液离心沉淀后,涂片检查,结核菌阳性,应选用
A.抗结核治疗
B.抗感染治疗
C.抗风湿治疗
D.糖皮质激素
E.手术治疗
参考答案:A
---Shall I give you a ride since you live so far away?
---Thank you. ____.
A.It couldn’t be better
B.Of course you can
C.If you like
D.If you are convenient
火箭筒发射后0.8s击中坦克,又过了2.6s听到爆炸声.问:
(1)坦克距发射点多远?
(2)火箭筒的发射速度是多大?