He said he ________Tibet.[ ]
A. is going to
B. will go to
C. was going
D. was going to
答案:D
逆行尿路造影的禁忌证是()。
A.下尿路感染
B.尿频
C.膀胱结石
D.膀胱肿瘤
E.血尿
发动机故障烟色一般有()。
A.白烟
B.红烟
C.黑烟
D.兰烟