下列不属于法定乙类传染病的是()
A.流行性出血热
B.流行性脑脊髓膜炎
C.急性出血性结膜炎
D.流行性乙型脑炎
E.猩红热
参考答案:C
Under what conditions is it the methods may be used? [ ]
A. since
B. what
C. that
D. before
MRI对骨膜增生的显示较X线平片和CT早。