Magic（魔法）often forces us not to believe our own eyes or even appears to be breaking laws of physics or nature! The word "magic" has many different meanings. When a bird appears in a hat or when someone declares that he could see into the future－both can be called magic. When a sick person suddenly becomes well or a well person (or even animal) becomes ill, magic is the cause. The British author Terry Pratchett uses magic a great deal in his popular Discworld series of books.
Magic has always been used for fun. People enjoy working out in which cup the little ball is or how he knows which card I was thinking of. Harry Houdini was one of the first world-famous magicians－famous for escaping from deadly situations. Recently David Copperfield, or David Blane, has become very popular for his "unbelievable abilities", such as making the Statue of Liberty disappear or rise.
Magical rings and three-headed dogs may not be real, but does this mean nothing magical really exists? Can you always explain how the magician has done the card trick? Maybe it is better not to explain, but to leave a little magic in our lives. Pick a card, any card…
Who is mentioned as a great escape artist?（　　

用未经焙烧的土坯、灰土和夯土作承重墙体的房屋及土窑洞、土拱房，只能用于( )。A.无抗震设防的地区B.抗震设...

单项选择题用未经焙烧的土坯、灰土和夯土作承重墙体的房屋及土窑洞、土拱房，只能用于( )。

In 2008, the United States Department of Agriculture (U...

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 on 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 USDA 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 is the goal of the Fresh Start program?（　　）

In 2008, the United States Department of Agriculture (U...

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 on 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 USDA 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?（　　）