能用于抗癫痫的巴比妥类镇静药是
A.苯巴比妥
B.硫喷妥钠
C.戊巴比妥
D.司可巴比妥
E.异戊巴比妥
参考答案:A
_______ a computer on my desk. [ ]
A. Have
B. Has
C. There is
D. There are
实现信息安全的落实手段是安全技术。