单项选择题

The author thinks that ______.

A．packing is actually useless and could be ignored
B．people will soon stop using packaging altogether
C．enough research has been done into recycling
D．it is better to produce new materials than to re-use old ones

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热门试题

单项选择题

... this overuse of wrapping is not confined to luxuries (Sentence 2, Paragraph 1) means ______.

A．more wrapping is needed for ordinary products
B．more wrapping is used for luxuries than for ordinary products
C．too much wrapping is used for both luxury and ordinary products
D．the wrapping used for luxury products is unnecessary

单项选择题

According to the passage, dairies are ______.

A．experimenting with the use of paper bottles
B．giving up the use of glass bottles
C．increasing the use of plastic bottles
D．re-using their paper containers