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【单选题】
类比创新法实质就是一种确定( )个以上事物间同异关系的思维过程和方法。A.
一
B.
二
C.
三
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皮皮学刷刷变学霸
举一反三
【简答题】 追加服务
【单选题】Robert Frost felt a little _______ for not choosing the other road. He doubted a little that once choosing the road, it would become his life road and may never come back.
A.
happy
B.
sad
C.
indifferent
D.
pitiful
【简答题】Tony’s request The author’s feeling Results “I mow your lawn.” Well, what do you do with such determination and hope? ... he had graduated as a skilled grinder. ... My wife and I felt it was a sat...
【单选题】Once he realizes that it is his mistake, Jim never ________ to admit and correct it.
A.
hesitates
B.
doubted
C.
hesitated
【简答题】影响招聘的外部因素主要有哪些?
【单选题】There isn't _______ tea in your cup. Would you like ________? [ ]
A.
some; some
B.
some; any
C.
any; some
D.
any; any
【简答题】倒向晶体管的电流放大系数为什么小于正向晶体管的电流放大系数?
【单选题】His friends and doctors very much ________ whether he could do it.
A.
doubted
B.
doubtful
C.
undoubtedly
【简答题】设总体 的密度函数为 ,则 ____(填“是”与“不是”) 的无偏估计.
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