某调查公司对甲、乙、丙三部电影的收看情况125人进行调查，有89人看过甲片，有47人看过乙片，有63人看过丙片，其中有24人三部电影全看过，20人一部也没有看过，则只看过其中两部电影的人数是（）。
A．69人
B．65人
C．57人
D．46人
参考答案：D
解析：
根据集合公式，看过其中两部电影的有89+47+63-(125-20)-2×24=46人，故选D。
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| One day, Mrs. White went to see her doctor because there was something wrong with her heart. The doctor 1 Mrs. White quickly. Then he said, "Well, Mrs. White, stop _2 and you'll soon be quite 3 again." "But doctor," answered Mrs. White. "I can't smoke. I don't like smoking 4_. "Oh, well!" said the doctor," 5 don't drink any more wine." "But I don't drink wine." Mrs. White answered 6 . "Stop 7 tea and coffee then," the doctor said. "I only drink 8 ," answered Mrs. White. "I don't 9 tea or coffee." The doctor thought 10 a moment and then said, "Well, or _11_ you like fried potatoes?" "Yes, I like them 12 ." answered Mrs. White. " 13 . Then stop eating those." Said the doctor 14 he got up to say _50_ to Mrs. White. | ||||
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