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　　About 70 million Americans are trying to lose weight. This is almost one out of____21__three people in the United States.  Some people go on diets.  This means they eat less of certain foods, especially fats and sugar.___22____poeple exercise with special equipment,  take  medicine,___23____even  have  surgery.  Losing  weight  is  hard  work,  and  it  can  also  cost  a lot of money.  SO__24____do  so many people in the United States want to lose___25___?Many people in the United States are __26___for looking young and pleasant. To many people. Looking good means being thin. Other people worry about their____27___.Many doctors say being overweigh is  unhealthy. But are Americans really____28_____?
　　Almost 30 million Americans weigh at least 20 percent___29___than  their proper weight. In fact, the United States is the most overweight country in the world.“The stored____30__of  adult Americans  weigh 2,300 million  pound,” said  an  American  scientist. He said ____31__ off that  stored  energy  would  produce__32___power for 900,000 cars  to go 12,000 miles.___33____losing  weight is  hard  work,___34__poeple want to find a fast and easy___35__ to take off fat.
　　21 A. the     B. all    C. every   D. these
　　22 A. Others B. Other        C. All    D. Those
　　23 A. or      B. that        C. which   D. until
　　24 A .what B. how    C. when   D. why
　　25 A .money B. weight    C. chance       D. mind
　　26 A. mind B. worried      C. anxious   D. angry
　　27 A. friends B. looks        C. health       D. relations
　　28 A. healthy     B. anxious    C. fat           D. thin
　　29 A .fats     B. less          C. more      D. heavy
　　30 A .energy B. weight    C. fat    D. flesh
　　31 A .burning     B. taking    C. getting        D. turning
　　32 A .strong B. enough    C. great    D. much
　　33 A. As     B. Although    C. So    D. For
　　34 A .few     B. many         C. most    D. less
　　35 A. idea        B. plan         C. suggestion    D. way
阅读材料︱
　　Uncle Sam is a tall, thin man. He’s older man with white hair and a white beard. He often wears a tall hat, a ball tie ,and the stars and stripes of the American flag.
　　Who is this strange-looking man? Would you believe that Uncle Sam is US government? But why do you call the US government Uncle Sam?
　　During the War of 1812,the US government hired meat packers to provide meat to the army . One of these meat packers was a man named Samuel Wilson. Samuel was a friendly and fair man.Everyone liked him and called him Uncle Sam.
　　Sam wilson stampted the boxes of meat for the army with a large US for Unite State.
　　Some government inspectors came to look over Samuel’s company. They asked a worker what the US on the boxes stand for. AS a joke ,the worker answered that these letters stood the name of his boss, Uncle Sam.
　　The joke spread , and soldiers began saying that their food came from Uncle Sam .Before long ,people called all things that came from the government “Uncle Sam”, “Uncle Sam” became a nickname for the US government.
　　Soon there were drawings and cartoons of Uncle Sam in newspapers. In  these early pictures , Uncle Sam was a young man. He wore the stars and stipes,but his hair was dark and he had not a beard. The beard was added when  Abram Lincoln was President. President Lincoln had a beard.
　　The most famous picture of Uncle Sam is a poster from World War Ⅰ. The government needed  men to fingt in the war. In the poster ,a very serious Uncle Sam points his finger and says “I want YOU for the US Army.”
　　(  ) 1.“Uncle Sam” became a _____ for the US government.
　　A. boss       B. nickname     C. picture    D. businessmen
　　(  ) 2. Uncle Sam often wears a tall hat ,_____and the stars and stripes of the American flag.
　　A. dark hair   B. a bow tie      C .a box     D. a shirt
　　(  ) 3.Goverment inspectors came to _____Sam’s meat-packing company.
　　A. ask        B. stand for      C. look over  D. see
　　(  )4. In the drawing and cartoons of Uncle Sam____.
　　A. he wore the stars and stripes    B. he never had a beard
　　C. he had no hair               D. he wore a blue tie