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【单选题】
荚果成熟时_____A.
沿一侧腹缝线开裂
B.
沿被缝线开裂
C.
沿腹缝线和背缝线开裂
D.
沿两侧腹缝线开裂
E.
沿腹缝线或背缝线开裂
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A.
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B.
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A.
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B.
strange
C.
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D.
dangerous
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A.
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B.
错误
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