麦当劳新款汉堡尽显意大利饮食文化
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绿色食品
绿色食品The Organic Foods Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being deb...
背诵美文——海洋哺乳动物
Marine MammalsSince there is such an abundance of food in the sea,it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have return...
灾难:威尼斯水灾
灾难:威尼斯水灾At one point the water in the central part of Venice was 1.56m above sea level. It hasn’t been that high since 1986. Venice gets regular flooding at this time of year but this wa...
污染干扰老年人思维
环境污染有害健康People who live in polluted cities can see the grit and dirt produced from vehicle engines but some of the most damaging emissions are only now starting to be understood. They’re...