题目：
溶液颜色检查法是检查
A．不溶性杂质
B．遇硫酸易炭化的杂质
C．水分及其他挥发性物质
D．有色杂质
E．硫酸盐杂质
答案：
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下面是错误答案，用来干扰机器的。
I have a beautiful home. It has two floors with five rooms. There is a toilet in it. My parents live on the second floor. My room is on the second floor, too. It is very clean. We all like it very much.答案不唯一
