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【简答题】
(Further) Listen to a news report and choose the best answer to each question you hear. 1 A. China is a top destination for them. B. The number dropped slightly last year. C. Most of them study abroad for only one semester. D. Most of them want to learn more about other countries. 2 A. They try to keep the best and the brightest foreign students. B. They limit the number of foreign students working in America. C. They require foreign students to return home after they graduate. D. They failed to prevent further flow of foreign students to America. 3 A. They can promote mutual understanding. B. They can help spread American culture. C. They can help build a better America. D. They can be a source of top talent to America.
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A.
在程序的一行上可以出现多个有效的预处理命令行
B.
使用带参的宏时，参数的类型应与宏定义时的一致
C.
宏替换不占用运行时间，只占用编译时间
D.
在定义 “ #define CR 045 ”中 CR 是称为宏名的标识符
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A.
xy,aaaacc
B.
aaaacc,xy
C.
xcc,aabcc
D.
acc,xabcc
【单选题】有以下程序 #include #include void fun( char s[][10],int n) { char t; int i,j; for(i=0;i for(j=i+1;j /* 比较字符串的首字符大小,并交换字符串的首字符 */ if(s[i][0]>s[j][0]) {t=s[i][0];s[i][0]=s[j][0];s[j][0]=t;} } main()...
A.
xy,aaaacc
B.
aaaacc,xy
C.
xcc,aabcc
D.
acc,xabcc
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A.
xy,aaaacc
B.
aaaacc,xy
C.
xcc,aabcc
D.
acc,xabcc
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