下列病毒中不经血液传播的是()。
A.HBV
B.HCV
C.HEV
D.HDV
E.HIV
参考答案:C
Many young people in the West are expected to leave __ could be life' s most important decision -- marriage -- almost entirely up to luck.
A.as
B.that
C.which
D.what
二维超声检测颅内的占位病变,下列哪个部位检出最困难、容易出现假阴性结果()。
A.颞叶
B.额叶
C.枕叶
D.顶叶
E.第四脑室周围