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[单选题]纯净胃液的pH为( )。A.0.9~1.5B.2.0~2.5C.2.5~3.5D.3.5~4.5
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[单选题]纯净胃液无色,其pH为A.7.4~8.0B.6.7~7.2C.4.3~5.6D.0.9~1.5
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[单选题,A2型题,A1/A2型题] 胃液的pH值为()A . 7.8~8.4B . 8.0~8.6C . 7.6D . 0.9~1.5E . 6.6~7.1
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[单选题]胃液的pH值为A.7.8~8.4B.8.0~8.6C.7.6D.0.9~1.5E.6.6~7.1
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[单选题]胃液的pH值为A.7.8~8.4B.8.0~8.6C.7.6D.0.9~1.5E.6.6~7.1
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[单选题]胃液的pH值为( )。A.7.8~8.4B.8.0~8.6C.7.6D.0.9~1.5E.6.6~7.1
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[单选题]正常胃液的pH值为A.0.5~1.5B.0.9~1.8C.2~3D.3~4E.4~5
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[单选题]胃液一般pH值为( )A.1.9-3.5B.0.9-1.5C.3.6-4.0D.4.0-5.5
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[单选题]胃液的pH值约为()A . 1B . 0.9~1.5C . 7D . 8~9
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[单选题]纯净胃液是()A.pH7.4~8.0淡黄色碱性液体B.pH2.0~3.5的淡黄色酸性液体C.pH6.5~7.0无色近中性液体D.pH0.9~1.5的无色酸性液体E.pH4.0~6.0的无色酸性液体
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