I can well remember that I was once asked to deliver a speech titled “A Real Test in My Life” before the whole class at the age of 9! You can imagine how ____ (terrible) shy I was with so many eyes ____(fix) upon me. I had no ____(choose) but to prepare for it, though. First of all, I was to draft the speech, which was just a piece of cake for me, a good writer. But the hardest part ____(lie) in my oral presentation from my memory— for to read from the paper was not allowed. The real moment began ____ I stood on the platform with my legs trembling and my mind blank. But my listeners were waiting patiently without any signs of rushing me. Otherwise, I ____(run) away from them. Gradually I found myself back, delivering my speech with difficulty. After what seemed to be a hundred years, I found my audience applauding— I made ____! From then on, my fear of talking before an audience disappeared. Actually with my ____(confident) building up, I now turn out to be a great speaker. Looking back, I know the greatest difficulty on our way ____ success is our fear. Overcome it ____ we will be able to achieve our goals.

关于如图有关工具酶功能的叙述，不正确的是（　　）

下图是某城市1990年和2010年人口密度空间分布图。读图回答问题。