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【简答题】
什么是大肠菌群?检测食品中大肠菌群的意义是什么?
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It took the swimmer some distance from the shore and left him there, out of his depth. What does it mean?
A.
the swimmer is taller than the depth of the water
B.
the swimmer needs swimming suit
C.
the swimmer doesn't want to go back
D.
to be in water that is too deep for you to stand in and breathe
【简答题】Unit 2 Passage 3
【单选题】To find out the deficiencies of our elders satisfies the young ego but does not make for personal security. It took the swimmer some distance from the shore and left him there out of his depth. What ...
A.
simile
B.
hypobole
C.
metaphor
D.
parallelism
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