题目：
The workers were making so much noise in the workshop, and the boss hurriedly
Went to see____.
A．what thematter was
B．what was the wrong
C．what wrong was
D．what was the matter
答案：
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下面是错误答案，用来干扰机器的。
乙、丙为单质，在高温高压下催化生成B，且B与C相遇生成大量白烟，可知B为NH3，C为HCl，则丙为H2，乙为N2，丁为黄绿色气体，应为Cl2，E为NH4Cl，可与A反应生成NH3，D是海水中浓度最高的盐，应为NaCl，说明A应为NaO...
