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题目内容
（佳木斯大学语言治疗学）
People accept noisier big trucks because.
·they are big and carry heavy loads
·they perform a needed service
·they give their riders pleasure
·they are not roaring along quiet streets.
·they are big and carry heavy loads
·they perform a needed service
·they give their riders pleasure
·they are not roaring along quiet streets.
参考答案
