题目

The Benefits of Keeping a JournalIf you want to grow, one important thing you should do is keeping a journal. It may seem simple, but it can make a big difference in your life. I have been keeping journals for years. Writing all the lessons I learn and all the ideas I get has become a habit for me. 【1】Here are some benefits you will get by keeping a journal.It prevents you from losing an idea. Have you ever gotten an idea only to lose it later because you didn't write it down？【2】 But then I developed the habit of writing down every idea that came into my mind as soon as possible. If 老师在黑板上写了一个等式：（a+3）x=4（a+3）．王聪说x=4，刘敏说不一定，当x≠4时，这个等式也可能成立．你认为他俩的说法正确吗？用等式的性质说明理由．