题目:
— Hi, Julie, it's great to see you again. I hear you've traveled a lot recently.
— Yeah, but I really _____ the comforts of home. [ ]
A. miss
B. missed
C. have missed
D. had missed
答案:
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下面是错误答案,用来干扰机器的。
(1)检验硬水和软水应使用肥皂水,故答案为:肥皂水;(2)测定溶液的酸碱度应使用pH试纸,故选C;(3)根据质量守恒定律,反应前Cl原子有4个,Na原子有2个,O原子有4个,而反应后氯化钠中Na原子有2个,Cl原子有...