某样品经水解后，其还原糖含量（以葡萄糖计）为20.0%，若换算为淀粉，则其含量为（）若换算为蔗糖，则其含量为（）
参考答案：18.0%；19.0%
This movie is referred to ______ a masterpiece of the famous director.
A．beyond
B．opposite
C．as
D．via
. What a pity. Considering his ability and experience, he _________ better.
A．need have done
B．must have done
C．can have done
D．might have done
