单项选择题

What's the author's attitude towards the waste of the earth's resources（）

A．Negative.
C. Neutral.
B．Positive.
D. Enthusiastic.

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单项选择题
According to the passage, the customers have to pay for （） as well as. for the goods.

A. the advertisement
C. the repair
B. the tax
D. the wrapping material
单项选择题
Products used to be made to last （）

A．for at least five years
B．for ten years
C．for as long as you take good care of them
D．for your whole life
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