答案和解析：
Section B
Passage One
Questions 26 to 28 are based on the passage you have just heard.
26. [A] Social challenge.[B] Physical challenge.
[C] Economic challenge.[D] Intellectual challenge.
27. [A] Painting a picture.[B] Building pyramids.
[C] Exploring the space.[D] Making plans for transportation.
28. [A] They ignore them.[B] They are afraid of them.
[C] They accept and enjoy them. [D] They are indifferent to them.
Passage Two
Questions 29 to 31 are based on the passage you have just heard.
29. [A] It eliminated many factory jobs.
[B] It allowed workers to live far from their jobs.
[C] It gave workers opportunity for better training.
[D] It allowed workers to spend more time at home.
30. [A] Increased transportation costs.
[B] The lack of a qualified sales force.
[C] A decline in the number of customers.
[D] Difficulty in transporting merchandise.
31. [A] Because property is more valuable in the city.
[B] Because prices are higher in downtown stores.
[C] Because job opportunities are better in the city.
[D] Because highway commuting has become unpleasant.
Passage Three
Questions 32 to 35 are based on the passage you have just heard.
32. [A] The good points of the federal system.
[B] How power is divided under the federal system.
[C] The difference between the central government and the states.
[D] The different functions of the central government and the states.
33. [A] Printing money.
[B] Limiting state taxes.
[C] Making treaties with foreign countries.
[D] Passing laws affecting trade between the states.
34. [A] All the states have respective powers.
[B] The central government and the states share the same powers.
[C] The powers of the country are fairly divided up between states.
[D] It is the Constitution that specifies the power for the central government and the states.
35. [A] The central government cannot be too powerful.
[B] Bigger states have more power than smaller ones.
[C] The central government can put a limit on state taxes.
[D] The states and the central government have the same powers.
Section B
Passage One
Human beings enjoy challenges. Many of them like physical challenges. They ask themselves questions like these: How fast can I run? How high can I climb? How deep can I dive? How far can I swim? How long can I hold my breath? How much can I lift? How high can I jump? Because people enjoy challenges, they like to play sports and watch other people play sports. They like climbing, running, diving, lifting, jumping, and so on. Every four years millions of people all over the world enjoy the international sports competition called the Olympics. There are challenges that are not physical challenges. There are social and intellectual challenges, too. Leonardo da Vinci, who lived in Italy during the fifteenth century, enjoyed every possible challenge. He was an artist and painted the well known picture, the Mona Lisa. He was an engineer who made plans for a city with roads under the street for traffic. He was an inventor who invented a device to let people breathe under water. He was a scientist, and he learned a great deal about human structure.
Another kind of challenge faced the Egyptians between 4,000 and 5,000 years ago when they decided to build the first pyramid. They used six million tons of rock. That is enough to build a ten foot wall around all of France. Four hundred thousand men worked for twenty years to build it.
So, for thousands of years, people accepted challenges. Today we still have many challenges before us. Medical science faces the challenges of conquering the many diseases which still attack human beings. Engineers and planners must build new cities and new kinds of transportation. Scientists must develop new forms of energy. And many of us are interested in the challenge of space. We live in an age of challenge.
Questions 26 to 28 are based on the passage you have just heard.
26. When people participate in sporting activities, what kind of challenge do they face?
【解析】選[B]。預讀選項可知此題詢問的是challenge的類型。在聽的過程中需要留意涉及類型的細節。文中開頭的Many of them like physical challenges后用一系列的例子，如How fast I can run？...They like climbing, running...表明，當人們參加體育活動時他們面對的是physical challenges。
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