第一部分：
综合写作：关于解决cheatgrass 生物入侵的问题
阅读部分观点：
1.放一些cattle之类的grazer把草都吃了;
2.放一把火烧了这些生物;
3.用fungus来对抗他们。
听力部分观点：(反对)
1 .grazer喜欢吃本地的草，会吃一些 cheatgrass，但不会全被吃掉。因此如果大量放牧本地的草会有灭顶之灾;
2.用火烧只能解决表面的cheatgrass，但是会留下种子，过段时间就又发芽了。
3.fungus在欧洲和亚洲已经和cheatgrass共存了很久，所以cheatgrass已经发展出抗体。
第二部分：独立写作：
题目：To be a successful person, one must open to new ideas and be willing to change his or her mind.
考过的类似题目：
2008-1-27NA：Do you agree or disagree with the following statement:
Successful people accept new things and take risks rather than hold on to the things that they have done well
2014-11-21NA：Do you agree or disagree with the statement?
When leading a group, most people talk while others listen. But best leaders always spend more listening to others' ideas.
写作思路：
1)New ideas can enrich one’s knowledge and improve the skills.
2)The tendency to change one’s mind will meet with much methods;
3)Sometimes， it is not always right to defend your own idea which may be a problematic one.
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