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问题 单项选择题

与通常采用的招标方法比较，协商选择方法的优点是（）。

A．选择供应单位的范围广泛

B．可以获得便宜而适用的商品

C．能运用竞争获得最好供应条件

D．交货时间、商品质量和服务有保证

答案

参考答案：D

填空题

根据短文内容判断对错，对的选择A，错的选择B

This is a boy. His name is Tom. He has a nice cat. It is an English cat. His friends are Lucy and Mike. They have cats, too. Their names are Mimi and Maomao. They are Chinese cats. The English cat is five. The Chinese cats are three. They like their cats.

Today they can’t find the English cat and the Chinese cats. They ask an old man, “Where are our cats?”“I don’t know.” he says. “Are they in the tree?” Tom and Mike ask. “Listen, listen!” Lucy says. “Miaow, miaow...”“Oh, over there.” They go to the tree, and carry(抱) them down.

小题1:Lucy has a good English cat.

小题2:Tom has two friends.

小题3:The English cat is three and the Chinese cats are five.

小题4:Tom and his friends have three cats.

小题5:The cats are in the old man’s house.
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问答题 简答题

焊接结构箱形粱有哪几种断面组合形式？
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