第16题: [单项选择]一批产品的次品率为P,逐件检测后放回,在连续三次检测中至少有一件是次品的概率为0.271. (1)P=0.3;(2)P=0.1.( ) A. 条件(1)充分,但条件(2)不充分. B. 条件(2)充分.但条件(1)不充分. C. 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D. 条件(1)充分,条件(2)也充分. E. 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分. 参考答案:B 答案解析:
第23题: [单项选择]His desire to ______ other people has caused trouble in his family. A. please B. dominate C. force D. urge 参考答案:B 答案解析:[解析] 本题空格处是说支配其他人。B项“dominate支配”符合题意。如:A great man can dominate others by force of character.(伟人能以人格