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如果要在表格中显示成绩表的内容，那么就应当在表格的RecordSourceType属性值中填入【】，在ReeordSource属性值中填入【】。

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Which company would pay the insurance？
___________________would pay the insurance.

PLR Air Conditioning Center
27 West Street
Plaines City
LA America 50705
March 6, 2004
Ms. Li Chunhua, President
New Era Engineering Group
26 Renmin Street
Yangzhou, Jiangsu, China
225002
Dear Ms. Li,
Thank you very much for allowing us to present to you our recommendation for PLR Air Conditioning System. We would like to express our appreciation to Mr. Zhang and Mrs. Wu for their help as we collected the data necessary for this proposal.
After thoroughly analyzing your company's engineering requirements, we believe that you will find this proposed PLR system satisfactory. It will provide the maximum return on your investment dollar. In addition, the PLR system protects you against obsolescence(过时) in the near future—if your business continues to experience the normal growth you have experienced in the last few years—because the equipment PLR proposes to install is a modular(模块的) design to which you may add additional units as the need arises.
We believe that you will find this system practical, efficient, and economical for the needs of your company both now and in the near future. It is our sincere hope that my information ill the enclosed proposal will make your decision to install a PLR Air Conditioning System much easier.
Sincerely yours,
James P. Callahan
Sales Manager
Recommendation of a Product
Product recommended: PLR【46】
PLR'S proposal: based on the analysis of the buyer's【47】
Features of the Product: 1. It's a【48】design;
2. It's practical【49】and economical;
Document Enclosed: a/the【50】

二叉树是结点的有限集合，这个有限集合或者为【】，或者由一个根结点及两棵不相交的、分别称作根的左子树和右子树的二叉树组成。

以下程序功能为仅接受输入Y或N，否则程序结束，请补充完整。
DO WHILE.T.
WAIT”请输入y/n”T0 YN
IF UPPER(YN)＜＞”N”
【】
ELSE
【】
ENDIF
ENDDO