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问题 单项选择题

公路、城市道路交通运输噪声预测内容中，按（）绘制代表性路段的等声级线图，分析敏感目标所受噪声影响的程度，确定噪声影响的范围，并说明受影响人口分布情况。

A.预测值

B.背景值

C.贡献值

D.叠加值

答案

参考答案：C

填空题


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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单项选择题

骨盐的主要成分

A．有机钙
B．碳酸钙
C．磷酸氢钙
D．羟磷灰石
E．蛋白质结合钙
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