题目内容：
Directions：In this section，there is a short passage with 5 questions or incomplete statements．Read the passage carefully．Then answer the questions or complete the statements in the fewest possible words on Answer Sheet 2． Questions are based on the following passage．
注意：此部分试题请在答题卡2上作答。
Why do food-borne pathogens in Australia show low drug resistance?
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答案解析：