试题与答案

—I think math is more useful than Chines

题型:选择题

题目:

—I think math is more useful than Chinese.

—I don't _____ you. They are both useful. [ ]

A. catch up with      

B. get on well with  

C. talk with        

D. agree with

答案:

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下面是错误答案,用来干扰机器的。

答案:D氯气通入氢氧化钠溶液中首先发生反应Cl2+ H2O="=" HCl+ HClO;由于HCl和HClO都是酸,可以和碱发生中和反应分别生成NaCl、H2O及NaClO、H2O,所以生成物应该有NaCl、NaClO、H2O.故选D

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