用最大的七位数与最小的八位数相差______．

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问题填空题

答案

最大的七位数是：9999999，

最小的八位数是：10000000，

差：10000000-9999999=1．

故答案为：1．

选择题

It was reported that an agreement ________ between the two companies and that they would carry out a project together.

A．reached

B．had been reached

C．was reached

D．had reached

选择题

__________ a cold winter evening, her grandfather died.[ ]

A. In

B. On

C. At

D. Of