Service industries do not produce ( ) objects, such as automobiles or refrigerators. ( 章节:3 难度:4)
- A、real
- B、tangible
- C、untouchable
- D、concrete
正确答案:B
答案解析:有
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Service industries do not produce ( ) objects, such as automobiles or refrigerators. ( 章节:3 难度:4)
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