题干

从东部季风区到西北干旱半干旱区再到青藏高原区

A:岩石风化程度越来越高,主要风化类型依次为物理风化-化学风化-化学风化

B:人类活动渐次减弱,自然状态变化逐渐变大

C:主要地貌景观依次为水成地貌-风成地貌-冰成地貌

D:地势逐级升高,年降水量逐渐增加

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C

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    When someone becomes an annoying presence for you, it means a disaster if you can't face it bravely and overcome it. I learned this 1 in the second year in high school. The shock this experience brought was so great that I felt my 2 was left on the side of the road for dead. That was all it took; one year and one person 3 everything.

    Her name is Jenny. She was the girl who 4 raised her hand and had useful comments about everything. When teachers needed challenging problems answered, they 5 her. And if students needed 6, they went looking for her. I didn't 7 her, but I admit her presence annoyed me. In the first year, as a model student, I was the person everyone 8 and all the teachers trusted. Then she came out of 9! We also had two classes 10. There I got to see what everybody thought of her. When an exam finished, it became a 11 that she got the top grade and it didn't 12 to my classmates whether I was right there, 13 I also got excellent grades. They would cross a desert and 14 her! I was left being denied my presence.15. I felt like not trying anymore.

    I stopped trying to put on a show because no one was 16 anymore. Later, I volunteered at the graduation ceremony. She was palled to make a(n) 17 and discussed their difficulties. I realized all her hard work got her there, not her desire to 18. It finally hit me that Jenny 19 the attention she got. She showed me how big the world is and how 20 a world I used to live in. I'll do my best because I know it will pay off.