—Labor(劳动)education is important for students development.—Yes. ________schools

—Labor(劳动)education is important for students development.—Yes. ________schools put it into practice

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Lucy held her head up like a queen______ Bill was telling his tale.

Lucy held her head up like a queen______ Bill was telling his tale.

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She says that shell have to close the restaurant ______ business improves.

She says that shell have to close the restaurant ______ business improves.

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如图, 已知 AB 是圆柱底面圆的一条直径, OP 是圆柱的一条母线, C 为底面圆上一点,且 AC∥OB, OP = AB = √2OA, 则直线 PC 与平

如图, 已知 AB 是圆柱底面圆的一条直径, OP 是圆柱的一条母线, C 为底面圆上一点,且 AC∥OB, OP = AB = √2OA, 则直线 PC 与平面 PAB 所成角的正弦值为()

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Most students are playing on the playground and there are still ____ students st

Most students are playing on the playground and there are still ____ students staying in the classro

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