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下列费用中属于建筑安装工程费中企业管理费的是（）
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概算定额是在（）的基础上，根据有代表性的建筑工程通用图和标准图等资料，进行综合、扩大和合并而成。
亲水性生物碱主要是指____和某些____的生物碱。
The favorite food in the United States is the hamburger (汉堡包). The favorite place to buy a hamburger is a fast food restaurant. At fast food restaurants, people order their food, wait a few minutes, and carry it to their tables themselves. People also take their food out of the restaurant and eat it in their cars or in their homes. At some fast food restaurants. people can order their food, pay for it and pick it up without leaving their cars.
There are many kinds of fast food restaurants in the United States. The greatest in number sell hamburgers, French fries (油炸马铃薯片) and so on. They are popular food among Americans. Besides, fast food restaurants that serve Chinese food, Mexican food, Italian food, chicken, seafood and ice-cream are very many. The idea of a fast food restaurant is so popular that nearly every kind of food can be found in one.
Fast food restaurants are popular because they reflect (反映) American life style. Customers can wear any type of dress when they go to a fast food place. Second, they are fast. People who are busy do not want to spend time preparing their own food or waiting while someone prepares it. In fast food restaurants the food is usually ready before the customer even orders it. Finally most food in a fast food restaurant is not expensive. Therefore, people are able to buy and eat at a fast food restaurant often, while they may not be able to go to a more expensive restaurant very often.
Hamburgers and French fries can be got at the fast food restaurants.
of the earth is made up of vast oceans.
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