主要经输血途径传播的传染病是（）
A.甲型肝炎
B.流行性乙型脑炎
C.戊型肝炎
D.丙型肝炎
E.登革热
参考答案：D
My mind wasn't on what he was saying so I'm afraid I ______ half of it.
A．was missing
B．had missed
C．will miss
D．missed
编码代号为45、46、47属于哪个省（市）？（）
A.河南
B.河北
C.湖南
D.湖北
