食品香料按来源和( )分为天然香料、天然等同香料和人造香料。
A.状态
B.香型
C.分子式
D.制造方法
参考答案:D
The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.
A.should not have stolen
B.should not steal
C.not have stolen
D.had not stolen
如果m、n都是非0的自然数,m÷7=n,m和n的最大公约数是( )
A.m
B.n
C.7
D.无选项