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单项选择题

以下关于消防水泵房的叙述有错的是( )。

A.独立设置的消防水泵房，其耐火等级必须是一级
B.高层建筑内设置消防水泵房时应采用耐火极限不小于2h的隔墙
C.消防水泵房设在首层时，其出口宜直通室外
D.消防水泵房设在地下室或其他楼层时，其出口应直通安全出口
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单项选择题
In 2008, the United States Department of Agriculture (USDA) wanted to know if all the school lunches served to students were healthy. The answer was a big, fat NO!
The USDA found that most American schools served lunches with too much fat and salt. They also found that most of the fruits and vegetables in the lunches came from cans(罐头). Canned fruits and vegetables are not as good as fresh ones.
The USDA gives schools food and money to make lunches. But schools make up their own menus. Some make healthy lunches. Most do not. Now the USDA wants all schools to serve more healthy lunches. They want schools to follow the USDA's guidelines for balanced (均衡) meals.
Mike Sanders, in charge of the USDA in 2008, said the USDA should teach school workers how to make healthier lunches. "A good school lunch is just as important as a good textbook," Sanders said. He said that children also need to learn about healthy foods.
The USDA is working off a new program--Fresh Start. It will give schools more fresh fruits and vegetables. Fresh Start will also help schools change their lunches to make them healthier.
To find the best way to change lunches, the USI)A held meetings with parents, school leaders,doctors, and cooks.
Children already eat healthy lunches at Chief Joseph School in North Saratoga, Oregon.They have whole -wheat bread with low-fat cheese, and low-fat milk.
What was Mike Sanders?
A.Aschoolheadmaster
B.Anofficesecretary
C.ThedirectorofFreshStart
D.TheheadoftheUSDA
单项选择题
民族自决主要体现在（ ）。
A．政治上
B．经济上
C．政治上和经济上
D．政治上或经济上
单项选择题
In 2008, the United States Department of Agriculture (USDA) wanted to know if all the school lunches served to students were healthy. The answer was a big, fat NO!
The USDA found that most American schools served lunches with too much fat and salt. They also found that most of the fruits and vegetables in the lunches came from cans(罐头). Canned fruits and vegetables are not as good as fresh ones.
The USDA gives schools food and money to make lunches. But schools make up their own menus. Some make healthy lunches. Most do not. Now the USDA wants all schools to serve more healthy lunches. They want schools to follow the USDA's guidelines for balanced (均衡) meals.
Mike Sanders, in charge of the USDA in 2008, said the USDA should teach school workers how to make healthier lunches. "A good school lunch is just as important as a good textbook," Sanders said. He said that children also need to learn about healthy foods.
The USDA is working off a new program--Fresh Start. It will give schools more fresh fruits and vegetables. Fresh Start will also help schools change their lunches to make them healthier.
To find the best way to change lunches, the USI)A held meetings with parents, school leaders,doctors, and cooks.
Children already eat healthy lunches at Chief Joseph School in North Saratoga, Oregon.They have whole -wheat bread with low-fat cheese, and low-fat milk.
What are schools required to do to make the lunches healthy?
A.Makeupnewguidelines
B.Providebalancedmeals
C.Cookwithmorevegetables
D.Designtheirownmenus
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