题目内容

Programming is a(1)that has various engineering and(2)aspects. Although most of aspects are interrelated, each of them covers a number of(3)and goals. which are very specific. The progress being made in teaching(4)is reflected by the fact that most(5)science curricula contain a broad spectrum of programming courses, each emphasizing a different aspect of programming.
侠选择的答案：
(1) notation (2) physical (3) function (4) discipline (5) philosophy
(6) software engineering (7) charactenstics (8) mathematical (9) progranun/ng
(10) program (11) method (12) computer

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298K、100kPa时，已知：（1）C（s，石墨）+O2（g）═CO2（g）△H=-393.5kJ？mol-1（2）2H2（g）+O2（g）═2H2O（l）△H=-571.6kJ？mol-1（3）2C2H2（g）+5O2（g）═4CO2（g）+2H2O（l）△H=-2599kJ？mol-1根据盖斯定律，写出298K时由C（s，石墨）和H2（g）生成C2H2（g）的热化学方程式

(1)() A statement in a document that another document is the sole original.
(2)() If the document
1) appears to be written, typed, perforated, or stamped by the document issuer hand, or
2) appears to be on the document issuer original stationery, or
3) appears to be hand-signed by the document issuer, or
4) appears to bear the document issuer facsimile signature, or
5) appears to be a photocopy of another document if such photocopy appears to have been completed by the document issuer hand marking.
6) If a document states that it is original or marks/stamps the word "original".

，其中Ω是由曲面x²+y²=2z及平面z=2所围成的闭区域．

Joe, the representative of the buyer, is at Mr．Liang's office, discussing the offer with Mr．Liang.
Joe: Mr．Li, Thank you for your prompt offer．I have studied your offer carefully and consulted our home office．After investigating and comparing, we found that your price is about 5 percent higher than those offered by European Suppliers.
Liang: I hope you also should consider the quality of the goods as well．I'm sure you know very well that our product is made of pure silk．This, of course, increases the cost but promises the superior quality.
Joe: I will agree with you about the importance of quality．But 5 percent is a big difference which we can't not accept because that will leave us little benefit in the intense competition on the world market.
Hang: We can give you a 2 percent discount if your quantity can be adjusted up to 10 000 pieces．And we have confidence that even your selective customers will be satisfied with the fashionable design and superb quality of our goods.
Joe: I am afraid 2 percent is not enough for us to open a new market for your products．We believe 4 percent at least will make your product more competitive.
Liang: I'm afraid we can't give 4 percent reduction by all means．Considering you are a new customer, a 3 percent reduction is really the best we can do.
Joe: Well, Mr．Li, does this price include seaworthy packing？
Liang: The outer packing is for container transportation．That is the usual practice.
Joe: How long will this offer be valid？
Liang: Within one week.
Joe: I'll try to persuade our head office to accept the price with 3 percent discount and inform you of the answer at an early date.
Hang: We will await your good reply.