The writer thinks that for a student to have a part-time job is probably___________.

The writer thinks that for a student to have a part-time job is probably___________.A.a waste of time that could have been spent on study B.useful for his future work C.a good way to earn extra money D.a good way to find out his weak points

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把下面的六个图形分为两类,使每一类图形都有各自的共同特征或规律,分类正确的一是()

把下面的六个图形分为两类,使每一类图形都有各自的共同特征或规律,分类正确的一是()

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