一般来说,随着服务水平的提高,投入成本将加速增长,即边际成本递增。也就是说将按时交货率从94%提高到98%的边际成本要小。
参考答案:对
阅读短文判断对错,对的画()错的画()。
Today my family go shopping. We take a taxi to the shop. The shop is far and big. In the shop, the
women and men walk slowly. The children walk quickly. My mother buys a gift for me. My father buys a
camera. I have a sister and a brother. My brother is one year old. He learns to walk. It's hard for him to
walk. My mother helps him.
( ) l. They walk to the shop.
( ) 2. The people in the shop walk slowly.
( ) 3. My father buys film.
( ) 4. My brother is too young to walk.
( ) 5. There are five people in the family.
wood2000中,使用“字体”对话框不能设置( )
A.字符颜色
B.文字底纹
C.空心文字
D.字形