Businessmen, in increasing numbers, are purchasing new machines that ( )the telephone and analyze a caller’s voice. ( 章节：4 难度：3)
- A、get in touch
- B、hook up to
- C、keep up to
- D、stretch into
正确答案:B
答案解析:有
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Businessmen, in increasing numbers, are purchasing new machines that ( )the telephone and analyze a caller’s voice. ( 章节：4 难度：3)
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