如今世界粮食短缺，价格飞涨，给部分地区造成社会动荡。假设在你校开展的研究性学习中，你们小组以“World Food Crisis”为题进行研究，现在请你代表你们小组向全体同学简要介绍你们的研究成果。主要内容如下：
1. 造成的原因(两条)
2. 应对的措施（两条）
3. 你如何做出自己的贡献
注意：1. 内容包括以上要点，但不要逐句翻译
2. 字数120左右，文章开头已提供，不计入总词数　
Hello, everyone,
Now I’ll tell you something about our research project The World Food Crisis on behalf of our group. As you know, food shortages have hit many countries in the world and even caused social unrest in some areas.
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