单项选择题

Which of the following phrases in the fifth paragraph indicates the fridge's negative effect on the environment

A．"Hum continuously"
B．"Climatically almost unnecessary"
C．"Artificially-cooled space"
D．"With mild temperatures"

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单项选择题

The statement In my fridgeless fifties childhood, I was fed well and healthily. (Line 1, Par

A．2) suggests that______.A. the author was well-fed and healthy even without a fridge in his fiftiesB. the author was not accustomed to use fridges even in his fiftiesC. there was no fridge in the author's home in the 1940s.D. the fridge was in its early stage of development in the 1940s

单项选择题

Who benefited the least from fridges according to the author

A．Inventors
B．Consumers
C．Manufacturers
D．Travelling salesmen

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