巧加偏旁组新字,轻轻松松来组词。 央( ) 秋 ( ) 那 ( ) 厨 ( ) 秀 发布时间:2017-04-13 06:25 │ 来源:www.tikuol.com 题型:填空题 问题: 巧加偏旁组新字,轻轻松松来组词。央 ( ) 秋 ( ) 那 ( )厨 ( ) 秀 ( ) 差 ( )开 ( ) 咸 ( ) 觉 ( )
题型:填空题 将等体积的硫酸铝、硫酸锌、硫酸钠溶液分别与足量的氯化钡溶液反应,若生成的硫酸钡沉淀的质量相等,则三种硫酸盐溶液中SO42-的物质的量浓度比为( )A.1:2:3B.1:1:1C.3:3:1D.1:3:3 查看答案
题型:填空题 Mary ______ my letter; otherwise she would have replied before now. A.has receivedB.ought to have receivedC.couldn’t have receivedD.shouldn’t have received 查看答案