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36、根据以下资料，回答36-55题。 　　Uncle Sam is a tall, thin man．He's an older man with white hair and a white beard．He often wears a tall hat, a bow tie, and the stars and stripes of the American flag.
　　Who is this strange-looking man? Would you believe that Uncle Sam is the 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 stamped the boxes of meat for the army with a large US for United States．Some government inspectors came to look over Sam's company.
　　They asked a worker what the US on the boxes stood for．As a joke, the worker answered that these letter stood for 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 stars and stripes, but his hair was dark and he had no beard．The beard was added when Abraham Lincoln was President．President Lincoln had a beard.
　　The most famous picture of Uncle Sam is on a poster from World War I．The government needed men to fight in the war．In the poster, a very serious Uncle Sam points his finger and says "I want YOU for the US Army."
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

37、 Government inspectors came to __ Sam's meat-packing company.
A． ask
B． stand for
C． look over
D． see

38、 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 bow tie

39、 Sam Wilson stamped the boxes of meat for the army with a large US for __.
A． Uncle Sam
B． United States
C． Soldiers
D． America

40、根据以下资料，回答40-59题。
　　Families separated by the Florida Straits were overjoyed Tuesday and Miami-based charter companies rushed to add seats and flights to their Havana routes after the Obama administration decided to let more Americans visit Cuba as often as they want, and spend as much as they like.
　　The policy changes are sure to put more money into Cuba's dying economy, and many would-be travelers are already call for still more barriers to fall． Even Fidel Castro (菲德尔?卡斯特罗) , who had belittled the changes Monday, yielded Tuesday that they were "positive, although minimal".
　　The United States still doesn't let most Americans without ties to Cuba visit the island or send in money．But the change, announced Monday by the Obama administration, was among the most significant openings in the half-century of hostilities between the two countries.
　　During the Bush administration, Americans with immediate family members on the island could visit once every three years and send up to $100 a month to their families.
Now, there are no limits to travel or expense, and the definition of family is expanded to include relatives as distant as second cousins, as well as anyone else who lives as "family" in the home of the authorized traveler.
According to the article, what will this change in policy do for Cuba?
A． It will boost the Cuban econom
B． It will help defeat Fidel Castr
C． It will make more Cubans come to the United State
D． It will decrease the number of Cubans coming to the United State

41、 Under the new regulations, how often are Cuban-Americans allowed to visit their relatives in Cuba?
A． As often as they lik
B． Once every three year
C． Once a yea
D． Twice a yea

42、 How long have Cuba and the United States maintained a "hostile" relationship?
A． About 20 year
B． About 30 year
C． About 40 year
D． About 50 year

43、 Under George W．Bush, how much money could Cuban-Americans send to their family members?
A． As much as they wanted t
B． Up to $100 a mont
C． Up to $100 a yea
D． Up to $100 every three year

44、根据以下资料，回答44-63题。 　　People need to be active to be healthy．Our modem lifestyle and all the conveniences we've become used to have made us sitting much of the time - and that's dangerous for our health．Sitting around in front of the TV or the computer, riding in the car for even a short trip to the store and using elevators instead of stairs, all contribute to our inactivity．Physical inactivity is as dangerous to our health as smoking!
　　Add up your activities during the day in periods of at least 10 minutes each．Start slowly ..．and build up．If you're already doing some light activities move up to more moderate ones．A little is good, but more is better if you want to achieve health benefits.
　　Scientists say add up 60 minutes of physical activity every day to stay healthy or improve your health．Time needed depends on effort - as you progress to moderate activities, you can cut down to thirty minutes, four days a week.
　　Physical activity doesn't have to be very hard to improve your health．This goal can be reached by building physical activities into your daily routine．Just add up in periods of at least ten minutes each throughout the day．After three months of regular physical activity, you will notice a difference - people often say getting started is the hardest part.
　　(From Handbook for Canada's Physical Activity Guide to Healthy Active Living p．4．Canadian Society for Exercise Physiology, Ottawa, Ontario, 1998) Nowadays people __.
A． are less active than in the past
B． are more active than in the past
C． are sitting as much as they used to be
D． are sitting as less as they used to be

45、 Time needed for physical activity depends on __.
A． health
B． effort
C． money
D． kinds of activities