The cost of organic food is higher than () of conventional food because the organic price tag reflects more closely the true cost of growing the food. ( 章节:3 难度:2)
- A、it
- B、one
- C、this
- D、that
正确答案:D
答案解析:有
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The cost of organic food is higher than () of conventional food because the organic price tag reflects more closely the true cost of growing the food. ( 章节:3 难度:2)
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