能保持维生素B6较稳定的环境是()。
A.遇光线
B.遇热
C.碱性溶液
D.酸性溶液
E.中性环境
参考答案:D
解析:酸性溶液能保持维生素B的稳定。
---- If you want to have a hot bath, you should pay ________ money.
---- You mean the fee of hot baths is not ________ in the hotel price?
A.extra; impressed
B.more; rested
C.extra; included
D.more; including
部队武器装备管理科学化、制度化、经常化标准有哪些?