Paragraph 6 __________

A．The invention of the fridge

B．The pollution caused by fridges

C．The widespread need for fridges

D．The days without the fridge

E．The waste of energy caused by fridges

F．The fridge's contribution to commerce

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参考答案

本段的主题句为首句，该句说“冰箱对环境的影响一直是很显著的(借助常识和背景知识，我们能意识到这里所说“对环境的影响”是指“对环境的污染”)，而冰箱对人类所带来的幸福却是微不足道的”，这个句子很明确地反映了作者的观点，对比剩下的被选项，判断B(冰箱所带来的污染)是最佳的选项。

1 Before fi-idges came into use, it was still possible for people to have fresh foods because __________.

A．milk, meat, vegetables, etc. were delivered

B．it has promoted the sales of many kinds of commodities

C．foods can be preserved

D．most kids like iced soft drinks

E．every housewife needs food

F．the fridge produced when it is working

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2 The invention of the fridge has not provided a new, economical way in which __________.

A．milk, meat, vegetables, etc. were delivered

B．it has promoted the sales of many kinds of commodities

C．foods can be preserved

D．most kids like iced soft drinks

E．every housewife needs food

F．the fridge produced when it is working

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3 An important contribution made by the invention of the fi-idge is that __________.

A．milk, meat, vegetables, etc. were delivered

B．it has promoted the sales of many kinds of commodities

C．foods can be preserved

D．most kids like iced soft drinks

E．every housewife needs food

F．the fridge produced when it is working

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