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【单选题】
下列阳离子对带负电荷的发酵液胶体粒子凝聚能力次序正确的是A.
Al 3 ＋ ＞Fe 3 ＋ ＞H + ＞Ca 2 ＋
B.
Al 3 ＋ ＞ H + ＞ Fe 3 ＋ ＞Ca 2 ＋
C.
Al 3 ＋ ＞Fe 3 ＋ ＞Ca 2 ＋ ＞ H +
D.
Fe 3 ＋ ＞ Al 3 ＋ ＞H + ＞Ca 2 ＋
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A.
that; where
B.
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C.
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D.
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【单选题】A.She will be picked up atthe station.B.She will be picked up at her own house.##
A.
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B.
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C.
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D.
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A.
to pin
B.
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C.
being pinned
D.
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A.
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C.
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