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【简答题】
在一定的条件下,把一个未知分布近似看成是正态分布的理论依据是()。
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皮皮学刷刷变学霸
举一反三
【单选题】I insist that a doctor ___ immediately.
A.
has been sent for
B.
send for
C.
will be sent for
D.
be sent for
【简答题】短文改错 Yesterday a school boy is daydreaming in class.Not knowing that he was doing, he put a pen cap into his mouth.A few minutes late, he was terrified to find that he had swallowed it! The teacher wa...
【简答题】假如双方无时间约定，通常一次一般性的拜访应以一小时为限。初次拜会时，则不宜长于半个小时。()
【简答题】短文改错。 Yesterday a school boy is daydreaming in class. Not knowing that he was doing, he put a pen cap into his mouth. A few minutes late, he was terrified to find that he had swallowed it! The teacher...
【简答题】通常一次一般性的拜访应以__________小时为限。
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