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【判断题】
天然水的pE随水中溶解氧的减少而降低，随其pH减少而增大。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】口腔颌面部损伤时发生窒息一般可分为______和________。
【简答题】口腔颌面部损伤时发生窒息一般可分为_______和______两类
【单选题】So loudly that people could hear it out in the street.
A.
did the students play the music
B.
the students playing the music
C.
the students played the music
D.
have the students played the music
【简答题】口腔颌面部损伤时发生窒息一般可分为（）和（）两类。
【简答题】口腔颌面部损伤时发生窒息一般可分为 和 两类
【简答题】一、填空题
1.口腔颌面部损伤时发生窒息一般可分为_______和_______两类。
2.口腔颌面部损伤的止血方法有压迫止血、_______和_______。
3.压迫止血可分为指压止血法、_______和_______。
【单选题】So loudly that people could hear it out in the street.
A.
the students playing the music
B.
the students played the music
C.
did the students play the music
D.
have the students played the music
【简答题】He shouted so loudly that the whole n could hear him.
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