将间接成本和费用更准确地分配到产品和服务的一种成本计算方法是( )。

A．变动成本法
B．作业成本法
C．固定成本法
D．直接成本法

用所给词的正确形式填空。

1. "Do you like noodles?" "No, I don’t like _____ at all."( they )

2. He often _____ letters to his mother. ( write )

3. Our _____ begin at 7:30 every morning. ( class )

4. We are twins. I have long hair, and she _____ long hair, too. ( have )

5. The _____ like milk and cakes. (baby)