[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f31esixnOjem9i0UfXbSeNDh0qfQQVjxXNFi7b8dnRpI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-05-29 22:55:18",392425387,[8,9,10,11],"A","a","33","1",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","ch是char型变量,其值为A,且有下面的表达式:ch=(ch>='A' &&ch<='Z')?(ch+32):ch则该表达式的值为:",[18,29,37,40,49,58,67,76,85,94],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],392425385,[22,23,24,25],"'\\0x41'","''A''","'\\010'",""\\0"","能正确表示C语言的字符常量的是( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":36,"source":27,"type":28},[],392425386,[33,34,35,25],"'\\061'","'\\843'","'ab'","C语言中合法的字符常量是",{"answer":38,"createTime":5,"id":6,"options":39,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":27,"type":28},[],392425388,[44,45,46,47],"AND ('Z'>xyz)","xyz>='A'||xyz<='Z'","xyz>='A'&& xyz<='Z'","'A'<=xyz<='Z'","判断char型变量xyz是否为大写字母的正确的表达式是",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":27,"type":28},[],392425389,[53,54,55,56],"67,D","B,C","C,D","不正确的输出","已知字母A的ASCII码为十进制的65,下面程序的输出是 .main(){char ch1,ch2; ch1='A'+'8'-'6'; ch2='A'+'6'-'3'; printf("%d,%c",ch1,ch2)",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":27,"type":28},[],392425390,[62,63,64,65],"因变量类型与格式描述符的类型不匹配,输出无定值","输出项与格式描述符个数不符,输出为0值或不定值","61,141,k=%12","61,141,k=%d","若ch为char型变量,k为整型变量(已知a的ASCII码是97),则执行下列语句后的输出为: .ch='a'; k=12;printf("%x,%o",ch,ch,k);printf("k=%%d\\n",k)",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":27,"type":28},[],392425391,[71,72,73,74],"b","98","d","100","已知小写字母a的ASCII码为97,以下程序的结果为: .main(){unsigned int a=32,b=68; printf("%c",a|b);}",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":27,"type":28},[],392425392,[80,81,82,83],"整型、实型、逻辑型","整型、实型、字符型","整型、字符型、逻辑型","整型、实型、字符型、逻辑型","C语言中最简单的数据类型包括",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":27,"type":28},[],392425393,[89,90,91,92],"原码","反码","ASCII 码","BCD码","在 C 语言中,字符型数据在计算机内存中,以字符的(C )形式存储",{"answer":95,"createTime":5,"id":96,"options":97,"question":101,"source":27,"type":28},[],392425394,[9,98,99,100],"\\x41","\\101",""a"","以下选项中,( )是不正确的 C 语言字符型常量"]