正常人每日分泌唾液总量约为A.1500~2000ml B.1000~1500ml C.500~1000ml D.800~1200ml E.2000~2500ml

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问题 正常人每日分泌唾液总量约为

选项 A.1500~2000ml
B.1000~1500ml
C.500~1000ml
D.800~1200ml
E.2000~2500ml

答案B

解析
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