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—Is Miss Long always strict_____you?
—Yes, she is. But I think it is good for us.
一块圆柱形橡皮泥,底面积12cm²,高5cm。如果把它捏成同样底面大小的圆锥,这个圆锥的高是____厘米。
“天下兴亡,匹夫有责”,在新时期被赋予了新的内容和新的时代精神,我们应该( )