问题
单项选择题
最难酸水解的苷类为()
A.α-羟基糖苷
B.α-氨基糖苷
C.α-去氧糖苷
D.6-去氧糖苷
E.2.6-二去氧糖苷
答案
参考答案:B
最难酸水解的苷类为()
A.α-羟基糖苷
B.α-氨基糖苷
C.α-去氧糖苷
D.6-去氧糖苷
E.2.6-二去氧糖苷
参考答案:B
用方框中所给单词的适当形式填空。每词限用一次。
小题2:I’m hungry and thirsty. Let’s go and buy some drinks and ______. 小题3:The ______of her little dog made him very sad. 小题4:Could you _____ the knife to me? We need them to make lanterns. 小题5:It is said that many ______teenagers will come to watch the 2014 Youth Olympic Games. |