现有甲、乙、丙、丁四种方案，其功能评价系数分别为0.24、0.18、_爱下问搜题

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问题单项选择题

现有甲、乙、丙、丁四种方案，其功能评价系数分别为0.24、0.18、0.22、0.36；其成本指数分别为0.288、0.126、0.164、0.422。则最优的方案为( )。

A．甲

B．乙

C．丙

D．丁

答案

参考答案：B

填空题

选用方框中的单词填空。

your, I, her, its, his, first, last, it, he, you, she, me

1. This is a boy._________ name is Tony.
2. That is a girl.__________ name is Kate.
3.______________am a girl.
4. Look at the cat._________ name is Mimi.
5. His_________ name is Smith. We call him Mr. Smith.
6. My _________ name is Peter. Mom calls me Peter.
7. ---What is________ name?
-My name's Linda. 8. Nice to meet________.
9. ---What's that?
----______ is a DVD.
10. This is Ms Green._______ is our English teacher. That is Mr. White.______ is our Chinese teacher.

名词解释

会阴