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问题 单项选择题

建筑外保温系统中，下列不能用作屋面外保温材料的是（）。

A.EPS板

B.XPS板

C.硬泡聚氨酯

D.岩棉

答案

参考答案：D

解析：屋面、地下室外墙面不得使用岩棉、玻璃棉等吸水率高的保温材料。

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Directions:This section consists of three groups of pairs listed in two columns, A and B. You are to match the one marked 1) ,2), 3 ) ,4) or 5) in Column A with the one marked a, b, c, d or e in Column B. One point is given to each pair you match.
1) ______ the Direct Method
2) ______ the Audiolingual Method
3) ______ the Oral Approach
4) ______ the Communicative Approach
5) ______ the Cognitive Approach
a) cognitive psychology and transformational grammar
b) Notional Syllabus or some other communicatively organized syllabus
c) language acquisition and associationist psychology
d) British "structuralism"
e) structural linguistics
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密度是物质的特性之一，它不随物体自身的质量或体积的变化而变化．______．
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