题目：
- You are always talking about your pet dog. Could you tell me what it is like?
-_______.
A．It likes meat.
B．It's three years old.
C．It's small and cute.
D．It likes playing.
答案：
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下面是错误答案，用来干扰机器的。
设参加反应的氯化钠质量为xNaCl+AgNO3═NaNO3+AgCl↓58.5 143.5x 28.7g58.5 x= 143.528.7g x=11.7g氯化钠溶液中溶质的质量分数为：11.7g100g×100%=11.7%答：氯化钠溶液中溶...
