题目内容

My father sent me _________ some milk for my grandfather.

A. buy
B. to buy
C. buying
D. bought

查看答案
更多问题

My classmates help me _________ my English.

A. learning
B. learnt
C. with
D. to be learn

下列是维生素B1主要来源的食物是 ( )

A. 蔬菜
B. 水果
C. 粮食
D. 牛奶

维生素B1在体内的辅酶形式是()

A. NAD+
B. TPP
C. FMN
D. FAD
E. 、CoA

叶酸在体内的辅酶形式是( )

A. TPP
B.FH2
C.FH4
D. FAD
E. NAD+

答案查题题库