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【单选题】
下列各项不属于稀溶液依数性的是A.
凝固点降低
B.
沸点升高
C.
蒸气压下降
D.
导电性减小
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【简答题】题解第5章 数理统计的基本概念.doc
【简答题】I love deejay’s creativity, and what I can do with a machine, two turntables and a mixer.
【单选题】--------Have you asked somebody to repair the machine? --------Oh, sorry, I forgot it. I _________for an engineer at once.
A.
am going to send
B.
would send
C.
have sent
D.
will send
【简答题】某股票每年每股支付股利5元,1年后预计售价为20元,如果你的要求回报率为20%,请计算该股票的价格。
【单选题】I developed very slowly and it took nearly two hundred years I was built as an analytical machine by Charles Babbage.
A.
before
B.
after
C.
long
D.
short
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