第23题: [单项选择]Questions 22-25 are based on an interview between a reporter and Dr. Cole on the annual astronomy society meeting.When was the annual astronomy society meeting held A. Last year. B. Last month. C. Two days ago. D. Two months ago. 参考答案:B 答案解析:[听力原文]22-25 M: Doctor Cole, thank you for agreeing to this interview for the Daily Campus News. C
第35题: [单项选择]十进制数54转换成二进制整数是( )。 A. 0110110 B. 0110101 C. 0111110 D. 0111100 参考答案:A 答案解析:[解析] 十进制整数转二进制的方法是“除2取余法”,即将十进制数除以2得一商数和一余数;再用商除以2……以此类推,直到商为0:最后将所有余数从后往前排列。