听下面一段材料，回答第1-2小题。 1. What are the man and the woman talking

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听下面一段材料，回答第1-2小题。

1. What are the man and the woman talking about?

A. How paper is made from trees.
B. How much paper Americans use.
C. Why so much paper is used.

2. How many trees do Americans cut down in one year?

A. 50 million.
B. 85 million.
C. 850 million.

1-2: BC

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