细胞DNA合成主要途径的重要辅酶是()
A．TK
B．辅酶Ⅰ
C．辅酶Ⅱ
D．HGPRT
E．叶酸
参考答案：E
_______ lunch, I often have soup, fish and vegetables. [ ]
A. Like
B. For
C. As
D. Of
运行中处理打印缺陷时应注意哪些？
