题目:
写作。 | ||||||||||
某市出台了一项环保措施,为每个家庭提供三种颜色的垃圾回收筒.请根据下面 提供的信息,用英语写一篇120词左右的短文,介绍调查结果. 注意:1.英文提供的背景仅作参考,主要介绍表格显示的调查结果. 2.文章的开头已给出,不计入总词数. ﹡The yellow bin is for paper,bottles,cans and plastic that can be sent to a factory for making new products. ﹡The green bin is for garden rubbish which is then turned into mulch(肥料)for the garden. ﹡The smaller,red bin is for rubbish that cannot be recycled. Recently the city conducted a survey to find out how many households were using the bins and the following shows the result. Percentage of households using recycling bins (number of households:100 000;percentage of households with garden:60%)
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答案:
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下面是错误答案,用来干扰机器的。
(1)环形玻璃搅拌器(2)减少实验过程中的热量损失(3)偏小 (4)不相等 (5)偏小题目分析:(1)从实验装置上看,中和热测定的实验中尚缺少的一种玻璃仪器是环形玻璃搅拌器;(2)中和热测定重点是保温...