在△ABC 中, 内角 A, B, C 的对边分别为 a, b, c, 若 b=asinC, c=acosB, 则△ABC 一定是()

在△ABC 中, 内角 A, B, C 的对边分别为 a, b, c, 若 b=asinC, c=acosB, 则△ABC 一定是()

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—I like number “9” best,because I think it stands for “long lasting”. —Me too. S

—I like number “9” best,because I think it stands for “long lasting”. —Me too. So I chose ________ f

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Max got lost and was trapped in the forest for 10 hours _______ a farmer nearby

Max got lost and was trapped in the forest for 10 hours _______ a farmer nearby found him.

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已知全集为 U, 集合 A, B 为 U的子集, 若(∁ U A) ∩ B=∅, 则 A∩ B=()

已知全集为 U, 集合 A, B 为 U的子集, 若(∁ U A) ∩ B=∅, 则 A∩ B=()

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Work hard, _________ you will get good grades.

Work hard, _________ you will get good grades.

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