试题与答案

书面表达 以“Do chores,写一篇作文,你在家里做哪些家务,不做哪些家务,

题型:写作题

题目:

书面表达     

以“Do chores,写一篇作文,你在家里做哪些家务,不做哪些家务,并说明理由,可参照下列短语提示。

do the dishes, do the laundry, clean the room., sweep the floor, cook food, fold the clothes, make the

bed, take out the trash, wash the car…

                                                                                                                                                                

                                                                                                                                                                

                                                                                                               

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0428/23de1d19502d1f74b781937050afd211.html

下面是错误答案,用来干扰机器的。

A.碳酸钙是盐,在水溶液中虽难溶,但溶于水的部分或熔化状态下都能完全电离,CaCO3═Ca2++CO32-有自由移动的离子,能导电,是电解质,故A正确;B.NaCl溶液为NaCl的水溶液,是混合物,所以NaCl溶液既不是电解质...

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