推荐肌注或静滴给药,不得静脉推注的药物是()
A.顺铂
B.庆大霉素
C.四环素
D.阿司匹林
E.苯妥英钠
参考答案:B
With the boy_______ the way, we had no difficulty _______the way to the West Lake.
A.to lead; found
B.leading; finding
C.led; finding
D.leading; found
若发动机发出异响的同时机油压力显著降低,故障在()。
A.活塞敲缸响
B.活塞销响
C.曲轴主轴承响