流行性乙型脑炎传播途径（）流行性脑脊膜炎传播途径（）
A.皮肤
B.呼吸道
C.消化道
D.蚊虫叮咬
E.血液
参考答案：D,B
His efforts to raise money for his program were ________ because no one showed any intention to take a cent out of their pockets.
A．in place
B．in sight
C．in effect
D．in vain
麻黄碱短期内用药数次效应降低，称为（）
A.习惯性
B.快速耐受性
C.成瘾性
D.抗药性
E.依赖性
