科研之友
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<正>偶然一次在铁路附近的玩耍,让孩子们察觉到了一块石头隐藏的危险。他们团结一致,在短时间内拯救了火车和车厢内的所有乘客。Section 1 The magic railway神奇的铁路One day, the children were walking by thefence along the top of the hill beside the railwayline. The line here ran through a deep little val-ley and the hillside on both sides of the line wasvery rocky. But among the rocks, grass and flow-ers grew, and many small trees.Phyllis stood by the fence and looked downto the lines at the bottom."It’s like looking downthe side of a mountain,"she said.
