项目可行性研究价格预测中可以采用比价法，原理是在市场经济条件_爱下问搜题

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问题单项选择题

项目可行性研究价格预测中可以采用比价法，原理是在市场经济条件下根据（）原则，利用各种商品之间的比价关系进行预测。

A．利益均衡

B．成本比较

C．效益比较

D．有无对比

答案

参考答案：A

阅读理解

Articles Wanted
School Life
Articles should be typewritten and double spaced, using only one side of the page.
Your name, year of birth, school name (and English teacher), home address and e-mail address must be included.
For photos, place the information on the back of each envelope: PLEASE DON’T FOLD.
Please keep copies of your text, pictures or photos.
The sentence MUST BE WRITTEN with your name on each work, "I promise（承诺） the above work is completely（完全地）original (原创的)."
If your article is chosen, you will get a copy of School Life and a special gift.
SEND IT ALL SUMMER!
For more information, please contact us!
Tel: (0574) 92136116 (0574) 92674363
E-mail: schoollife@acpmagazines.com.
Mail: School Life. Box 5252, Ningbo, NSW 200

小题1:All the information about the writer must be included except his/her .

A．school name

B．e-mail address

C．year of birth

D．telephone number

小题2: The articles wanted .

A．must be fully created by the writers themselves

B．must be typed in single (单个的）space and on both sides

C．must be provided with photos and descriptions

D．must be sent with the copies of texts and pictures

小题3:According to the passage, you can send your articles______.

C．all the year round

D．during the whole term

填空题

空气流量传感器由（）、（）、（）、（）及（）等组成。