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(4). (单选题) People accept noisier big trucks because .(本题2.0分)
A、 they are big and carry heavy loads
B、 they perform a needed service
C、 they give their riders pleasure
D、 they are not roaring along quiet streets.
A、 they are big and carry heavy loads
B、 they perform a needed service
C、 they give their riders pleasure
D、 they are not roaring along quiet streets.
参考答案