题目

单词拼写 1. It’s hard for us to  ________（解决）the problem. 2. —What are you doing?   —I am making ______ （笔记）for a report. 3. There are two stones in the new park. One is so ______ （巨大的）, and the other is so small. 4. The government has built many ______（公寓） in my hometown for people to live in. 5. Lingling studied in the ______（当地的） school in her village two years ago.定义在R上的奇函数f(x)满足:当x>0时,f(x)=2010x+log2010x,则在R上方程f(x)=0的实根个数为(　　)A．1B．2C．3D．4