请你写一篇关于“节约粮食”的发言稿。要点包括：

　　1．你对粮食危机的感想；

　　2．节约粮食的理由；

　　3．你对节约粮食的建议。

　　注意：120词左右。

　　[范文借鉴]

　　Hello, everyone，

　　Now I'll tell you something about World Food Crisis on behalf of our group. As you know, food shortages have hit many countries in the world and even caused social problems in some areas. There are some reasons of the food crisis. First, every year the world grains output has declined because of climate change. Second, lots of farmland has been lost due to the rapid development of industry. Third, faced with the rising energy prices, people have turned to the production of biofuels, which has worsened the severe situation. Then what should we do to deal with the problem? On the one hand, we should focus on the environmental protection and improve the ecology. On the other hand, strict measures should be taken to protect farmland.

　　As for me, I will call on the people around me to pay more attention to the problem. And I think we should study hard to develop science and help solve the food shortage in the future.

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