单选题：Which of the following phrases in the fifth paragraph indica

题目内容：
Which of the following phrases in the fifth paragraph indicates the fridge's negative effect on the environment? A．"Hum away continuously".
B．"Climatically almost unnecessary".
C．"Artificially-cooled space".
D．"With mild temperatures".
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答案解析：

Why does the author say that nothing was wasted before the i

Why does the author say that nothing was wasted before the invention of fridges?

分类：公共英语四级  题型：单选题
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某公司中标某体育馆改造工程，打算租赁一台塔吊。塔吊有关具体数据如下：一次性投资l50万元，运输、拆迁、安装一次总费用l0

某公司中标某体育馆改造工程，打算租赁一台塔吊。塔吊有关具体数据如下：一次性投资l50万元，运输、拆迁、安装一次总费用l0万元，年使用费6万元，塔吊残值20万元，

分类：公共英语四级  题型：单选题
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The word "naive" in "a naive picture of the scene" most like

The word "naive" in "a naive picture of the scene" most likely means______A．uned

分类：公共英语四级  题型：单选题
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The idea of an hour without TV is NOT radical because____

The idea of an hour without TV is NOT radical because____A．TV is very popular am

分类：公共英语四级  题型：单选题
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《建设工程项目管理规范》规定：项目经理部所需的A类材料应编制需要计划，由（　　）负责订货或从市场中采购。 A．项目经理部 B．项目经理 C．项目总工 D．企业物

分类：公共英语四级  题型：单选题
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