题目内容
It's true that the suggestion they made will save a large amount of money. We won't adopt
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Rain clouds are characterized primarily by ______.
What is the age of the universe according to the passage？
听力原文：W: We have made ten copies.
M: At first it's planned to need ten copies, and now we don't need so many. Four would be enough.
Q: How many unnecessary copies they have made？
(4)
What does the word "reduce" mean in the last sentence？
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