A. were having B. were to have C. had had D. had 参考答案:B 答案解析:[考点] 虚拟语气 [解析] 本题具有一定难度:首先,出现了隐含条件句(could have done 表示从前或过去本该做某事却未能或没有做,表达了说话人对这件事的肯定倾向,而所隐含的意思还有
第11题: [单项选择]在下列各种进制的四个数中,最小的数是______。 A. (75)D B. (A7)H C. (37)O D. (11011001)B 参考答案:C 答案解析:[解析] 不同数制进行比较时,要将不同进制的数制转换成二进制数进行比较。(75)D=01001011B,(A7)H= 10100111B,(37)O=0011111B,经比较知选项C)最小。