对疑为肾动脉狭窄患者,不能进行诊断的影像学检查方法是()
A.MRA
B.排泄性造影
C.超声
D.肾动脉造影
E.CTA
参考答案:B
The financial crisis is attacking the USA, and it is true ___ many other countries. [ ]
A. to
B. against
C. of
D. by
利用()可以在套管中寻找气层。
A、自然电位测井
B、电阻率测井
C、声波时差测井
D、中子伽马推移测井