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【简答题】
某人 给四位 亲友 各写一封信,然后随机地 分别 装入 4 个 信封,且每个信封装有一封信,则所有对 了的概率为__________
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皮皮学刷刷变学霸
举一反三
【单选题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge ____.
A.
for old time ’ s sake
B.
for his own sake
C.
for its own sake
D.
for everyone ’ s sake
【单选题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge _____.
A.
for a little
B.
for a long time
C.
for its own sake
D.
for a loss
【简答题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge ____.
【简答题】朱熹之前“格物致知”两种基本的阐释方向是物我统一和()。
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