Li Ming and Jenny on their winter jackets.[ ]
A. puts
B. putting
C. put
答案:C
通过将乙酰CoA加入到只含有酶、辅酶和柠檬酸循环中间产物的无细胞体系中,能否净合成草酰乙酸?
港内吊拖的拖缆长度:().
A.不应少于25m
B.不应少于35m
C.不应少于45m
D.不应少于55m