浓缩蔬菜汁的可溶性固形物含量和原汁的可溶性固形物含量之比应不小于()。_参见GB10789-2008《饮料通则》6.1表1
A.1
B.2
C.3
D.4
参考答案:B
—I'm sorry I'm late.
—______.[ ]
A. It doesn't matter
B. Don't say that
C. All right
D. It's a pleasure
因影响胎儿骨骼和牙齿正常发育,故孕妇禁用的药物是
A.氨苄西林
B.苯巴比妥
C.氯霉素
D.吗啡
E.四环素