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问题 单项选择题

下列框排架结构基础的单价(元/m3)中，最贵是哪一种______。

A．砖带形基础

B．钢筋混凝土带形基础(无梁式)

C．钢筋混凝土独立基础

D．钢筋混凝土杯形基础

答案

参考答案：D

阅读理解

I have six baskets(篮子). Three are big. Three are small. I have some apples and some oranges. I put three apples in each (每个) small basket, and I put three oranges in each big basket and one orange in each small basket. The number of oranges is my age.

小题1:I have ______ apples.

A．three

B．five

C．seven

D．nine小题2:I have ______ oranges.

A．six

B．nine

C．twelve

D．eighteen小题3:“ What are those in the small baskets?” “They are ______.”

A．three apples and nine oranges

B．nine apples

C．nine apples and three oranges

D．nine oranges小题4:“ Where are the apples?” “ They are in ______.”

A．three big baskets

B．three small baskets

C．a big basket

D．a small basket小题5:I am ______ years old.

A．nine

B．ten

C．eleven

D．twelve
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单项选择题

关于聚氨酯防水涂料的实验室检查，下列叙述错误的是( )。

A．聚氨酯防水涂料进行不透水试验时，3块试件均无渗出则判定为合格

B．聚氨酯防水涂料进行拉伸试验时，试验结果以3个试件的有效结果算术平均值表示，且取3位有效数字

C．聚氨酯防水涂料进行低温柔性试验时，3个试件均无裂纹则可判定为合格

D．聚氨酯防水涂料进行实验室检查的标准条件是要求温度20℃±2℃，相对湿度5℃±20℃
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