题型：问答题 简答题 阅读下面图表，回答问题。 （1）该图表所揭示的商品经济的基本规律是___________。（2分） （2）这一规律的基本内容是什么？（8分） （3）这一规律的表现形式是什么？（4分） 查看答案
题型：问答题 简答题 综合填空。（10分）fall happy excited noise well sad listen make healthy easyMany things around us affect our feelings or moods. Here is a report about this. Wu Dong lives in a big city. It’s very 小题1:______. Sometimes it’s hard for him to 小题2:_______ asleep. He gets bored 小题3:_____. Kang Hua doesn’t like rainy days. When it rains, she often feels小题4:_____. When it’s fine, she feels 小题5:______ again. Wang Ming likes 小题6:_______ to music. Rock music can make him feel 小题7:.______. Soft music can make him feel quiet and calm. Li Nan likes wearing red clothes. It can 小题8:_______ her happy and active . If we can’t get along 小题9:______ with our friends, we may feel upset and unhappy. If we are always in a bad mood, it will be bad for our health. We may become 小题10:_____ if we are in a good mood. 查看答案
题型：问答题 简答题 除去下列物质中的杂质，所用的试剂和 方法不正确的是（ ）A．除去二氧化碳中混有的一氧化碳不能用点燃的方法B．除去氯化钾中混有的二氧化锰可以用溶解、过滤、蒸发的方法C．除去铜粉中混有的锌粉可以用加入过量的稀盐酸、过滤、洗涤、烘干的方法D．除去生石灰中混有的碳酸钙可以用加水溶解后过滤的方法 查看答案
