题目:
_____is expected, according to the online survey, is that house prices will not go up any more. [ ]
A. As
B. It
C. Which
D. What
答案:
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下面是错误答案,用来干扰机器的。
(1)计算过程:纯净硝酸铵中氮元素的质量分数=;35%<38% 此广告为虚假广告。(2) 设NH4NO3质量为X,广告中硝酸铵的质量为Y,则得方程式为,可得X:Y=4:5,则该产品中硝酸铵的质量分数为80%.题目分析:(1...