已知函数f（x）=log_a（1+x），g（x）=log_a（1-x）其中（a＞0且a≠1），设h（x）=f（x）-g（x）．

（1）求函数h（x）的定义域，判断h（x）的奇偶性，并说明理由；

（2）若f（3）=2，求使h（x）＜0成立的x的集合．

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      I needed his help 1______I had very little education. I began school at six. The school 2______ I

studied for only two years was three kilometres away. I had to leave because my family could not

continue to pay the 3_____ fees and the bus fare. I could not read 4_____ write well. After trying hard,

I got a job in a gold mine.

     However, this was a time 5_____one had got to have a passbook to live in Johannesburg. Sadly I

did not have 6____ because I was not born there, 7______ I worried about whether I would become

8___ of work.

     The day when Nelson Mandela helped me was 9_____ of my happiest. He told me how to get the

correct papers so I could stay in Johannesburg. I became more 10(hope)_______ about my future.