The Food Pyramid (金字塔), developed by the US Department of Agriculture (USDA), is an excellent tool to help you make healthy food choices.

    The Food Pyramid is actually made up of six groups. The group located at the most bottom part is the Grain group. Next are the Vegetables and the Fruit groups. The Dairy and the Proteins groups are tied at the third part of the pyramid. The group at the uppermost part of the pyramid is made up of sweets, fats, and oils.

    The Food Pyramid can help you choose from a variety of foods so you get the nutrients you need, and the suggested serving sizes can help you control the amount of calories, fat, or sugar in your diet. It is recommended that we must take at least 6 up to 11 servings of Grain group every day. The foods in Vegetables and Fruit groups are rich in nutrients. Many are excellent sources of Vitamin A and Vitamin C. The Food Pyramid suggests 3 to 5 servings of vegetables each day. Products like cheese, yogurt, and milk belong to the Dairy group. One must have at least 2 servings of foods in this group every day. Proteins products can come from various sources like fish, beef, pork and chicken. Eggs also belong to this food group. We should take 2—3 servings of foods in this group.

    A man went to a fast food restaurant to buy his lunch.

    "Hi," a worker said, "may I help you?"

    "I'd like a hamburger, large chips, and some cola," the man said.

    "Anything else?" the worker asked.

    "No." the man answered. "That's all."

    "For here or to go?" the worker asked.

    "Togo," the man said.

    The worker gave the man a bag. The man took out his money and paid for his lunch.

    "Thank you," the worker said. "Have a nice day."

    The man took the bag and walked to a park. He sat down and opened the bag. He was surprised.

    There was no hamburger in the bag. There were no chips. There was no cola. There was only money in the bag—a lot of money! The man counted the money. Two thousand dollars! Why was the money in the bag? Where was the man's lunch?

    The manager of the fast food restaurant needed to go to the bank. He put two thousand dollars in an envelope (信封). He put the envelope in a bag and put the bag down. The worker gave the manager's bag to the man by mistake. So the manager had a hamburger, chips and some cola, and the man had two thousand dollars.

Do you know when and where the story ?

There are many animals and plants in the sea.

    Different countries have different customs. When you meet a businessman in Europe , you shake hands or kiss the face, while in China you should only shake hands with each other. Then you pass your business cards. In Europe you often do that with one hand, but you should do that with two hands in China. Next you can each other. In China, you often start with things that are not about your business. But in Europe, especially in Holland, you can talk business . After that, it's necessary for you to have dinner with your client both in China and in Europe. Having dinner is the same.

要求：1）表达清楚，语句通顺，意思连贯，书写规范；

2）文中不得出现真实姓名和校名；

3）词数：80左右（开头和结尾已给出，不计入总词数）。

参考词汇：material原料；材料

Dear Sir or madam,

    I'm writing to talk about food safety.

Yours,

Li Ming