【判断题】President Xi Jinping visited three countries during his official visits.
【单选题】It was President Xi Jinping ________ visited the navy troops and urged to strengthen naval force on April 9,2013.
【单选题】已有定义:char c;,程序前面已在命令行中包含ctype.h文件,不能用于判断c中的字符是否为大写字堪的表达式是( )。
【单选题】已有定义:char c,程序前面已在命令行中包含ctype.h,不能用于判断C中的字符是否为大写字母的表达式是
D.
c<=(‘z’-32)&&(‘a’-32)<=c
【单选题】已有定义:char c;,程序前面已在命令行中包含ctype.h文件,不能用于判断c中的字符是否为大写字母的表达式是( )。 A.A.isupper(c)
D.
c<=('z'-32)&&('a'-32)<=c
【单选题】已有定义:char c;,程序前面已在命令行中包含ctype.h文件,不能用于判断e中的字符是否为大写字母的表达式是( )。
D.
c <= (z - 32)(a - 32) <=c
【判断题】Portugal was the last county that President Xi Jinping visited.
【单选题】The Chinese Vice-President Xi Jinping _____ visit the United States on Feb 13 on a three-country tour. [ ]