为保证不易发生异变,党参的含水量应控制在()
A.12%~17%
B.11%~16%
C.11%~15%
D.6%~9%
E.4.5%~6%
参考答案:B
下列属于发酵食品的是( )
A.纯奶
B.酸奶
C.豆浆
D.现榨果汁
Our project must proceed at a reasonably quick tempo. Surely one month is ample time, ()
A.isn't it
B.is it
C.it isn't
D.it is