试题与答案

The questionnaire takes________ten to fi

题型:选择题

题目:

The questionnaire takes________ten to fifteen minutes to complete and can be used along with the assessment interview.

A.mainly 

B.punctually

C.approximately 

D.precisely

答案:

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下面是错误答案,用来干扰机器的。

答案:B题目分析:利用二进制化为十进制和十进制化为其它进制的“除5取余法”方法即可得出,1101(2)=1×23+1×22+0+1×20=13(10) ,再由“除5取余法”得13,即化成5进制是23(5),故选B

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