题目内容

Anofferis the amount of money that someone says they will pay to buy something. or “bids”,or the various items on sale.

A. 对
B. 错

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1.Auctioning can be dated back to700B.C.

A. 对
B. 错

What do you know about the word “auction”?

钢筋混凝土轴心受压短柱的承载力取决于( )

A. 混凝土强度和纵向钢筋截面面积
B. 箍筋的间距和直径
C. 纵向钢筋的强度和截面面积
D. 长细比

I’m ______ old to be playing this game. I should stop.

A. enough
B. to
C. more
D. too

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