Do not worry! I know some girls hold F2 got a good score on GRE and IBT after they put effort to prepare. So what I suggest you do first is going through the 导航贴, evaluating which part is your weakness and building up your own preparation plan accordingly. Then you can post your plan and let other people to give you suggestion.
take it easy i am a F2 too now, and my backgroud is sort of like yours , as many banzhus said before, you can begin with 导航贴, and you will come into the world of toefl
These days I did Jan.2000 and May.2000 tests. 0001: listenning part A 7/30 , part B&C 6/20 wrong; reading 5/50 wrong. 0005: listenning part A 5/30 part B&C 6/20 wrong; reading 6/50 wrong. It seems reading is not a difficult part, and I can do better carefully. Listenning is a big problem. It is difficult, almost impossible, for me to take notes while listenning. I ussually write down a word and then miss several words and so miss some sentences. Doing all my best, I can only understand partly. I have read some guide posts. Does it work that I give up Part A and focus on Part B&C?