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高考◆英语◆广东省題庫下載題庫

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55.It can be inferred from the passage that .
(A).natural materials are safe in food processing
(B).chemicals are needed in food processing
(C).food poisoning can be kept under control
(D).food poisoning is out of control

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難度： 計算中


55.It can be inferred from the passage t..-阿摩線上測驗