单选题：By using "a consumption dollar", the report authors ______

题目分类：英语四级
题目类型：单选题
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题目内容：

By using "a consumption dollar", the report authors ______ A．help people make decisions based on dollars and cents
B．simplify the complex issue of greenhouse gas emissions
C．discuss economy's contribution to society and environment
D．show different impacts and contributions of our daily consumption

参考答案：

答案解析：

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分类：英语四级题型：单选题

Theinvestigators seriously condemned the drug firms for_____

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分类：英语四级题型：单选题

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分类：英语四级题型：单选题

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分类：英语四级题型：单选题

请回答（39）题__________.

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分类：英语四级题型：单选题