第21题: [单项选择]下列程序中c的二进制值是( )。 char a=2,b=4,c; c=a^b>>2; A. 00000011 B. 00010100 C. 00011100 D. 00011000 参考答案:A 答案解析:[解析] 本题主要考查按位异或和右移运算。b=4的二进制为00000100,b>>2后为00000001,a=2的二进制为00000010,两者异或为00000011。
第24题: [单项选择]Conversation TwoA. He thinks it’s mainly for children. B. He feels it would be worthwhile. C. He believes it is too complicated. D. He thinks it may not be very profitable. 参考答案:B 答案解析:[解析] What is the man’s opinion of the auction [详解] 原文巾的感叹句What a good idea!表明他认为这是值得的,所以