问题
单项选择题
我国生活饮用水的卫生标准(GB5749–85)中规定()
A.每ml饮水中细菌总数不超过10CFU
B.每ml饮水中细菌总数不超过100CFU
C.每ml饮水中细菌总数不超过1000CFU
D.每100ml饮水中细菌总数不超过10CFU
E.每500ml饮水中细菌总数不超过10CFU
答案
参考答案:B
我国生活饮用水的卫生标准(GB5749–85)中规定()
A.每ml饮水中细菌总数不超过10CFU
B.每ml饮水中细菌总数不超过100CFU
C.每ml饮水中细菌总数不超过1000CFU
D.每100ml饮水中细菌总数不超过10CFU
E.每500ml饮水中细菌总数不超过10CFU
参考答案:B
完形填空。 | ||||
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