对信息系统开发的效益分析,一般应包括对社会效益的分析和对【 】的分析两部分。
参考答案:经济效益
解析:全面的衡量效益应该从经济效益和社会效益两方面来考虑。
Read and choose. (读短文,回答下列问题)
I am Bob. I'm from China. I study in No. 5 school. In my class, there are twenty boys and
seventeen girls. My teacher is Miss Zhang. I have many friends in my class. Nancy likes watermelons
very much. She doesn't like oranges. Jerry likes hot dogs very much. She is a fat girl. Lily likes grapes
and peaches. She doesn't like bananas. I like oranges but I don't like pears.
1. 一 How many girls are there in Bob's class?
一 _____.
A. Twenty
B. Seventeen
C. Three
2. 一 Who is Bob's teacher?
A. Miss Zhang
B. Jerry
C. Nancy
3. 一What does Jerry like?
一_____.
A. Oranges
B. Hot dogs
C. Pears
4. 一 Does Lily like grapes?
A. We don't know
B. No, she doesn't
C. Yes , she does
5. Bob likes _____.
A. bananas
B. watermelons
C. oranges
印花价()生成。
A.周一
B.周二
C.周三