巴西的现代工业特点是[ ]
A.发展较快
B.发展较慢
C.还很落后
D.刚刚起步
答案:A
--- _______ is the train station from the school?---About twenty-minute bike ride.
A.How many
B.How long
C.How far
D.How soon
二度Ⅱ型及三度房室传导阻滞,应禁用()
A.奎尼丁
B.阿替洛尔
C.阿托品
D.大量钾盐
E.普鲁卡因酰胺