提示内容：
1. 发现了很多火星生物，它们讲的语言和我们的大不相同；
2. 努力和这些火星生物交流，教它们如何向地球发信息；
3. 了解火星生物的先进科技并尝试研究这些科学技术；4. 邀请火星生物来看我们。

要求：
1. 须包含提示中的所有要点，可以适当发挥；
2. 条理清晰，逻辑合理，语意连贯；
3. 词数：100左右 (邮件的开头和结尾已经给出，不计入总词数)。

Martians 火星人        advanced 先进的        technology 技术

Dear friends,

We've just landed on Mars. 

……

I'm looking forward to hearing from you soon.

Yours,

Frank

—I_________ down while I_________ on the ice. I got hurt badly.

Rice, chicken, tomatoes … These foods are so common in our lives today. By the year 2050, the world's population will reach 9.1 billion. To feed everyone, we may need to change our food in some ways.

Meat made in lab

Making meat in lab will reduce greenhouse gases. A company in Australia makes meat with cells from animals. It makes both traditional meat like pork and chicken.

Insects become tasty

Insects have as much protein (蛋白质) as fish and meat. They don't need a lot of food and water. They don't need a big place to live. Many of them are also tasty. Insects like grasshoppers (蝗虫) and ants are on dining tables in many Asian and African countries.

Scientists are thinking to add natural "seasonings" (调料品) in vegetables. The "seasonings" come from some animals. This encourages people to eat more vegetables.

A. Smart way to eat vegetables.

B. Also, people can make it healthier by cutting out fat.

C. They make the vegetables taste better.

D. What about food in the future?

E. But raising insects is much easier.

F. What kind of food would you like to eat?