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下列为铁剂的不良反应，但除外
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中国的公共汽车上，黄颜色的座位一般是留给老人、儿童等需要照顾的人的，如果他们上车，坐在这种座位上的人应该主动把座位让出来。 老人和儿童在公共汽车上会：
The "Echo House" will demonstrate how we can live with highly efficient insulation, solar heating, energy efficient ______ and organic gardening．
To support the general statement in the first sentence, each ______ sentence in the paragraph provides a different example.
In fact the purchasing power of a single person's pension in Hong Kong was only 70 per cent of the value of the （） Singapore pension．
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