题目

It's reported that a person throws__away 50kg of food every year.We should save food.A. brings B. takesC. eats D. wastes 答案:【答案】D【解析】句意:据报道,一个人每年扔掉50公斤食物,我们应该节约粮食。throw__away扔掉;A. brings 带来; B. takes带走;C. eats吃; D. wastes浪费;根据句意故选D 一本故事书有100页,小明第一天读了20页,第二天读的是总页数的15%.小明再读多少页就正好是全书总页数的一半?
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