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各高校的学生书架上越来越多地摆放着《邓小平文选》、《邓小平的价值观》等政府著作。同时,到图书馆借阅有关邓小平建设有中国特色社会主义理论和市场经济理论的著作的学生也呈日趋增长之势,不少同学还借阅《马克思、恩格斯全集》、《毛泽东选集》之类著作。可见,( )

A. 在各高校的学生中,理论学习已蔚然成风
B. 学好理论有助于学生的毕业分配
C. 大学生的理论学习不需要引导,因为他们已十分自觉
D. 理论学习需要加以金钱的鼓励

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未成年工:是指年满16周岁未满18周岁的劳动者。据此定义,可判定( )

A. 所有年满18岁的人都是劳动者
B. 所有年纪未满18岁的人都是未成年工
C. 16~18周岁的人都是未成年工
D. 有些16~18周岁的人可能成为未成年工

合同的撤销:是指因意思表示不真实,通过撤销权人行使撤销权,使已经生效的合同归于消灭。存在撤销原因的合同叫可撤销合同,这类合同多是因重大误解而成立的合同、因欺诈而成立的合同、因胁迫而成立的合同等。以下属于可撤销的合同有( )。

A. 甲、乙签订质押合同,约定甲不能如期履行合同义务,则乙取得质物的所有权
B. 甲、乙两企业之间的资金借贷合同
C. 甲为逃避法院的强制执行,将其财产赠与乙
D. 甲因治病急需钱,乙提出以低于市场价接近5倍的价格购买甲的珍贵油画,甲无奈之下与乙签订了合同

In every language there are two great classes of words which, taken together, consist of the whole vocabulary. First, there are those words with which we become acquainted in daily conversation, which we learn, that is to say, from the members of our own family and from our familiar associates, and which we should know and use even if we could not read or write. They concern the common things of life, and all the goods in trade of all those who speak the language. Such words may be called "popular", since they belong to the whole people; and are not the exclusive possession of a limited class. On the other hand, our language includes a large number of words which are comparatively seldom used in ordinary conversation. Their meanings are known to every educated person, but there is little occasion to use them at home or in the market place. Our first acquaintance with them comes not from our mother’s lips or from the talk of our schoolmates, but from books that we read, lectures that we hear, or the more formal conversation of highly educated speakers who are discussing some particular topic in a style raised above the habitual level of everyday life. Such words are called "learned". And the distinction between them and "popular" words is of great importance to a right understanding of the language. From the passage, we can infer that ______.

A. "popular" words are essential to daily life
B. "popular" words are not regular in usage
C. "popular" words are convenient to use
D. "popular" words are not standard enough to be used

函数ReadDat()的功能是实现从文件ENG62.IN中读取一篇英文文章,存入到字符串数组xx中。请编制函数encryChar(),按给定的替代关系对数组xx中所有字符进行替代,仍存入数组xx的对应的位置上,最后调用函数WriteDat()把结果xx输出到文件PS62.DAT中。 替代关系:f(p)=p*13mod256(p是数组xx中某一个字符的ASCII值,f(b)是计算后新字符的ASCII值),如果计算后f(p)的值小于等于32或其ASCII值是偶数,则该字符不变,否则将f(p)所对应的字符进行替代。 注意:部分源程序已给出。 原始数据文件的存放格式是每行的宽度均小于80个字符。 请勿改动函数main()、读函数ReadDat()和写函数WriteDa()的内容。 #include<conio. h> #include<stdio. h> #include<string. h> #include<ctype. h> unsigned char xx[50] [80]; int maxline=0; int ReadDat (void); void WriteDat(void); void encryChar() void main() clrscr (); if ReadDat ()) printf ("数据文件ENG62. IN不能打开! \n\007"); return; encryChar (); WriteDat (); int ReadDat (void) FILE *fp; int i=0; unsigned char *p; if ( (fp=fopen ("ENG62. IN", "r") ) ==NULL) return 1; while (fgets (xx [ii, 80, fp) !=NULL) p=strchr(xx[i], ’\n’); if (p) *p=0; i++; maxline=i; fclose (fp); return 0; void WriteDat() FILE *fp; int i; fp= fopen ("ps62.dat", "w"); for (i=0;i<maxtine; i++) printf ("%s\n", xx [i] ); fprintf (fp, "%s\n", xx [i] ); fclose (fp);

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