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1. Do you agree or disagree with the following statement? Competition among friends usually has a negative effect on friendship. Use details and examples to support your opinion.练习人数： 41
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2.练习人数： 737
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3.练习人数： 575
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4.练习人数： 237
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5.练习人数： 175
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6.练习人数： 139
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7.练习人数： 271
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8.练习人数： 88
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9.练习人数： 176
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10.练习人数： 74
