根据短文内容及首字母提示，补全空格内单词，使短文完整、通顺。

       On weekdays Mary gets up at 5:30. She dresses, w   1    her face and does morning exercises. She has

breakfast at 6:30 and then she goes to school. She goes there by bike. She gets to school at about 7:15 every

day. She doesn't like to b   2     late. Classes b   3    at 8:00. In class she listens to the teachers c   4   , and she

works hard at her l   5   . She usually has bread and a glass of milk in the middle of the day. Classes are o   6    

at 4:30. After class she likes dancing and singing. Sometimes she throws a Frisbee (飞碟) w   7    her

classmates. She gets home at 5:30. In the evening, her parents come b   8    from work. They have supper at

7:00.

       In the evening she does her homework. Sometimes she watches TV or r   9    storybooks. She goes to bed

at ten. Her school life is i  10   .

1.               2.                3.                4.               5.               

6.               7.                8.                9.               10.            

设计混凝土配合比的基本要求有（）。

A．满足混凝土设计强度

B．满足施工要求的混凝土和易性

C．满足水灰比

D．满足耐久性要求

E．满足节约水泥、降低成本的要求