题目内容
(请给出正确答案)
[单选题]
The tears_____from her eyes.
A.combined
B.met
C.flowered
D.flowed
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A.combined
B.met
C.flowered
D.flowed
A.[H⁺]=[HCO₃⁻]+[CO₃²⁻]+[OH⁻]
B.[H⁺]=2[HCO₃⁻]+[CO₃²⁻]+[OH⁻]
C.[H⁺]=H[HCO₃⁻]+2[CO₃²⁻]+[OH⁻]
D.[H⁺]=H[HCO₃⁻]+[CO₃²⁻]+2[OH⁻]