皮皮学，免费搜题
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【单选题】
Joe Smith wants each person to use one less paper towel per day. If we do this, how many pounds of paper can we save in a year?A.
571,230,000.
B.
57,100,230.
C.
517,130,000.
D.
50,073,007,000
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【简答题】完型填空。 Daniel Boone was born in the United States in 1734. He didn't go to school and couldn't read, 1 he learned all about the forest and many other things around him. He loved to live 2 in the forest...