453÷5的商是______位数，商的最高位是______位．

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问题填空题

答案

453÷5中，除数是一位数，被除数最高位百位上的数字4小于除数5，所以第一位商要商在十位上，商是两位数．

故答案为：两，十．

选择题

It is generally accepted that ________ boy must learn to stand up and fight like ________ man.[ ]

A. a; a

B. a; the

C. the; the

D. a; /

选择题

These facts are unimportant in ________, but if you put them together, you may find something unusual.

A．it

B．them

C．itself

D．themselves