On a cold winter day, a fox ____  mother bear that he would teach her how to fish. As she____ to learn, he took her to a hole in the ice, and told her to put her tail down in the water. He told her to keep the tail there for____ .  Then____ she pulled the tail out of the water, she would find fish around the tail. The bear was foolish enough to believe____ the fox said. She sat for a long time with her tail in the water. She was ____ the fish. But when she____  to pull her tail lout of the water, she found that it was frozen in the ice. She asked the fox to pull her out. But he laughed to himself and ____ . so she called father bear to help her. Father bear came. He pulled hard and ____ got her out, but a part of her tail was in the ice. That is____ people find the bear’s tail so short.

-- ______ father took part in the charity activity in the neighbourhood yesterday?

-- Peter's.

2016年我国钢材需求下降、供应过剩，价格持续下跌，企业效益明显下滑．面对错综复杂的国际、国内形势，企业间竞争更加激烈，市场无序竞争不断加剧．2016年2月4日，国务院下发的《关于钢铁行业化解过剩产能实现脱困发展的意见》明确指出：要严禁新增产能，对违法违规建设的，要严肃问责．严格执行环保、能耗、质量等法律法规和产业政策，达不到标准的钢铁产能要依法依规退出，明确了加强奖补支持、完善税收政策、加大金融支持等一系列政策措施。

氯化二硫(S₂Cl₂)是广泛用于橡胶工业的硫化剂，其分子结构如下图所示。常温下S₂Cl₂是一种橙黄色的液体，遇水易水解，并产生能使品红褪色的气体。
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