脲酶试验阳性的支原体是（）
A.肺炎支原体
B.生殖器支原体
C.解脲脲原体
D.人型支原体
E.发酵支原体
参考答案：C
Ⅴ级临床研究的结论或任何级别多个研究有矛盾或不确定的结论属于（）
A.E级
B.D级
C.C级
D.B级
E.A级
Can't you see your problem ____?Have some patience, please.
[ ]
A. is being discussed
B. was being discussed
C. is discussed
D. has been discussed
