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《海外英语》2009,(10):33-33
Some people think of cats and dogs as senior animals, for they can understand people's facial expression and even their words. In fact, they have underestimated other animals, which can also do what cats and dogs do. Due to their ignorance, people always do something cruel unconsciously to these poor animals through their facial expression and words. 相似文献
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小朋友,请仔细观察下图,你知道一个菠萝、一只鸭子和一桶油的质量分别是多少吗?要想求出一个菠萝、一只鸭子和一桶油的质量分别是多少,首先要知道每个盘秤的读数是多少。仔细观察这三个盘 相似文献