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By the end of last month, our factory (produce) 3 000 motors.

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Dear Sir/Madam, We happened to find rich information about 2009 IBM new products from your company’s web page, and we develop great interest in these new wonders of technology. As we are planning to start a training program about web technology, computers need to be installed in our newly established lab. For this reason we have decided to place many groups of these new series with due consideration of the high reputation of your company and the high quality of your products. The first group will be 100 computers. If necessary, we’ll make a larger group next year. Please give us detailed accounts concerning functions of these new products and after sale service. We also need to know the price of each style and the terms of payment. Please take into consideration a proper discount because it is a wholesale deal and we desire a long-term cooperation. We wonder if it is convenient for you to deliver the goods to the headquarters of Beijing Bright Star School on February 20, 2010. We would like to express our gratitude for your kind consideration of the request. We look forward to your reply as soon as possible. Yours sincerely, Tony Wang When does the writer want the goods to be delivered He wants the goods to be delivered on .

BP is one of Britain’s biggest companies and one of the world’s largest oil and petrochemicals (石油化工产品) groups.BP owes its origin to one man, William Knox D’Arey, who, shortly after the turn of the twentieth century, invested time, money and labour in the belief that worthwhile deposits of oil could be found in Persia.In the company’s first six decades, its prime focus lay in the Middle East. But from the late 1960s the centre of gravity shifted westwards, towards the USA and Britain itself.However, the BP of today is an international company, having operations in over 70 countries. Its key strengths are in oil and gas exploration and production the refining, marketing and supply of petroleum product (石油产品); and the manufacturing and marketing of chemicals. It supports all its businesses with high quality research and technology.The following pages chronicle (记录) the development of the company from its early days through to the present. However, to do justice to a story as complex as BP’s would require more than these few pages. This brief account covers only some of the principal milestones along the road from BP’s beginnings in Persia to its current position as one of the world’s leading companies.Bp’s ProfileFounder: (46) Prime focus in its first six decades: (47) Key Strength: 1. the exploration and production of (48) 2. the refinement and distribution of petroleum products3. the production and distribution of (49) Content of the following web page: a brief record of the (50) of the company from its beginning to the present 46（）

函数ReadDat()用于实现从文件ENG.IN中读取一篇英文文章，并将其存入字符串数组xx中。请编制函数encryptChar()，按给定的替代关系对数组xx中所有的字符进行替代，结果仍存入字符串数组xx的对应位置，最后调用函数WriteDat()把结果数组xx输出到文件PS3.DAT中。替代关系：f(p)=p17 rood 256(p是数组中某一个字符的ASCⅡ值，f(p)是计算后新字符的ASCⅡ值)。如果计算后f(p)的值小于32或其ASCⅡ值是奇数，则该字符不变，否则将f(p)所对应的字符进行替代。原始数据文件的格式为：每行的宽度均小于80个字符。注意：部分源程序给出如下。请勿改动主函数main()、读数据函数ReadDat()和输出数据函数WriteDat()的内容。 [试题源程序] #include＜Stdio.h＞ #include＜string.h＞ #inciude＜conio.h＞ #include＜ctype.h＞ unsigned char xx[50][80]; int maxline=0; /文章的总行数/ int ReadDat(void); VOid WriteDat(void); void encryptChar() void main() system("cls"); if(ReadDat()) printf("数据文件ENG.IN不能打开!\n\007"); return; encryptChar(); WriteDat(); int ReadDat(void) FILE fp; int i=0; unsigned char P; if((fp=fopen("eng.in","r"))==NULL) return 1; while(fgets(xx[i],80,fp)!=NULL) p=strchr(xx[i],’\n’); if(P) p=0; i++; maxline=i; fclose(fp); return 0; void WriteDat(void) FILE *fp; int i; fp=fopen("ps.dat","w"); for(i=0;i＜maxline;i++) printf("%s\n",xx[i]); fprintf(fp,"%s\n",xx[i]); fclose(fp);

We should be (consider) of the comfort of old people.