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As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the devicE.For what two reasons can this happen? （）
A . The data is moving from 10BASE-TX to 100BASE-TX.
B . The WAN encapsulation type has changed.
C . The data format has changed from analog to digital.
D . The source and destination hosts are in the same subnet.
E . The source and destination MAC addresses have changed.
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As a result of the First World War settlement the（）was established in 1920.
A . League of Nations
B . British Commonwealth
C . British East India Company
D . United Natio
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As a frame leaves a Layer 3 device，the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen？（）
A . The data is moving from 10BASE-TX to 100BASE-TX.
B . The WAN encapsulation type has changed.
C . The data format has changed from analog to digital.
D . The source and destination hosts are in the same subnet.
E . The source and destination MAC addresses have changed.
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What was the main cause of the Second World War?（）
A . The main cause was big power struggle for control of the world.
B . It was the worldwide economic crisis.
C . It was the military expansion of Japan,and Germany.
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According to the lecture, what is the impact of World War I upon the outbreak of World War II 21 years later? __________.
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What channel did Winston Churchill employ when making speech during the Second World War?
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Ho Feng-Shan was a Chinese ____________. When he was Consul-general in Vienna, Austria during World War II.
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In the Indra Nooyi video, she says she was surprised about the advice her two daughters gave to her when she asked them if she should quit her job. What was their advice?
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The American foreign policy throughout World War II was neutrality.
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When she heard it was snowing in the city they were going to, she two more sweaters into her bag.
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In literature, the generation that came of age during WWI was called the Lost Generation, and the group of authors whose literature explored and influenced American culture in the post-World War II era were called Beat Generation.
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When was China's official war against the millennium bug started？
A．1995.
B．1996.
C．1997.
D．1998.
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It was 3:12 a.m. when nine-year-old Glenn Kreamer awoke to the smell of burning. Except for the crackling of flames somewhere below there was not a sound in the two-storey house at Baldwin, Long Island.
With his father away on night duty at a local factory, Glenn was worried about the safety of his mother, his sister Karen, 14 and his 12-year-old brother Todd. He ran downstairs through the smoke filled house to push and pull at Karen and Todd until they sat up. Then he helped each one through the house to the safety of the garden. There, his sister and brother, taking short and quick breaths and coughing, collapsed on the lawn.
The nine-year-old raced back into the house and upstairs to his mother's room. He found it impossible to wake her up. Mrs. Kreamer, a victim of the smoke, was unconscious, and there was nobody to help Glenn carry her to the garden. But the boy remained calm and, as a fireman said later, "acted with all the self-control of a trained adult."
On the bedroom telephone, luckily still wording, Glenn called his father and, leaving Mr. Kreamer to telephone the fire brigade and ambulance service, got on with the task of saving his mother.
First he filled a bucket with water from the bathroom and threw water over his mother and her bed. Then, with a wet cloth around his head he went back to the garden.
He could hear the fire engine coming up, but how would the firemen find his mother in the smoke-filled house where flames had almost swallowed up the ground floor？
Grasping firmly a ball of string from the garage, Glenn raced back into the house and dashed upstairs to his mother's room. Tying one end of the string to her hand he ran back, laying out the string as he went, through the hall and back out into the garden.
Minutes later he was telling fire chief John Coughlan: "The string will lead you to mother." Mrs. Kreamer was carried to safety as the flames were breaking through her bedroom floor.
Why did Glenn run downstairs first？
A．He wanted to find out what was happening.
B．He was worded about his mother's safety.
C．He wanted to save his sister and brother.
D．He went to see if his father had come back from work.
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For one brief moment in April, Larry Ellison came within a few dollars of being the richest man in the world. The computer tycoon was holding a global conference call on a Wednesday morning, when the value of his company surged.
It was the moment he almost overtook Bill Gates, founder of Microsoft, as the wealthiest on the planet. For a few seconds, as share of traders marked Microsoft down and Oracle up, Ellison came within US $ 200,000 of Gates. The self-proclaimed "bad boy" of Silicon Valley found himself worth more than US $ 52 billion, up from a mere US $10 billion this time last year. Then Microsoft's share price, which had plunged in recent weeks, recovered and the moment passed.
Once, Ellison, founder of the software company Oracle, would have danced around his desk cursing like a pirate at failing to bring down Gates, a rival he had constantly made fun of in public. But Silicon Valley insiders said he remained calm, and muttered: "One day, one day very, very soon." He knew his moment was close.
Unlike Gates, he is not big on charity, preferring to spend his money his way. He has his own private air force, a military-style. crew based at San Jose airport near Redwood City, to help him fly his Gulfstream V jet (with two marbled bathrooms), a Marchetti fighter plane imported from Italy, and a handful of other aircraft, including a trainer for his son. He also plans to import a Russian Mig-29 fighter (capable of 1,500 mph). Why does he want one？ So that, he joked, he can blast Gates' home near Seattle. Cars are cheap and cheerful by comparison. He has a relatively modest Porsche Boxster, two specially altered Mercedes and a US $ 900,000 silver McLaren.
In San Francisco he owns a magnificent house in Pacific Heights, one of Western America's most expensive stretches of real estate. The house is a technical marvel. When he inserts his key, the opaque glass door turns transparent, revealing a Japanese garden in the middle of the house. For reasons he knows best, Ellison is obsessed with Japanese culture. Though he says he once briefly dated the actress Sharon Stone, Ellison is better known for the number than the fame of his wives. It is said he introduced himself with: "Can I buy you a car？" In one year he gave at least four US $ 50,000 cars to young ladies.
While Gates comes from a strong family, Ellison still does not know who his father was. He was born to an unmarried mother and adopted by his Russian uncle and aunt. A brilliant but unpredictable self-promoter, he dropped out of college, drove to California in a battered Thunderbird car and ended up working with computer technicians at a bank. "He always had a champagne lifestyle. on beer money," his first wife said.
He set up Oracle in 1977 as a super-salesman with 3 programmers, creating software for businesses. It almost collapsed when it promised more than it could deliver, but since then its fortunes have soared. Now it employs 43,000 people and has designed data-processing systems used by Britain's M15 spy service as well as big western companies. Oracle's software is more Internet- friendly than Gates' Windows, one factor behind the company's recent share price rise.
Since his company got big, Ellison has promised shareholders that he will spend more time in the office. But can he escape being the thrill-seeker he is at heart？ As summer approaches, he may find it hard to resist the lure of his yachts, Sakura, one of the longest in the world, and Sayonara (Japanese for "see you later"), which he races furiously. It is dangerous sport, even for guests. Media tycoon Rupert Murdoch once nearly lost a finger when he grabbed a rope during a race onboard the Sayonara. Ellison joked at least he could "still wrote checks".
Regardless of distractions, Ellison will not give up in his battle against Gates. He hates to lose. Ellison declares that any
A．Ellison is as rich as Bill Gates
B．Ellison has US $ 200,000 less than Bill Gates
C．Ellison is richer than Bill Gates
D．Oracle has more money than Microsoft
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听力原文： The center of Moscow today was transformed into a sea of color. Bearing standards of the Red Army, thou sands of Russian servicemen marched across Red Square in commemoration of the Soviet Union's victory in the Second World War.
Parading too were two and a half thousand frontline veterans of the war. As they were driven in trucks across Red Square, they waved red carnations and were saluted by more than fifty world leaders who had gathered here to mark the anniversary.
In a speech, Putin said tens of millions of Soviet citizens had been killed in the war. But he paid tribute to allied troops in Western Europe who had been killed battling Nazi Germany.
The parading was to ______.
A．pay homage to the old soldiers
B．moralize the young generation
C．memorized the Soviet Union's victory in the WWII
D．accuse the crime of the enemies
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Phil Harris was hurtled into the business world at an age when most of today's teenagers are battling with "0" levels.
A. started
B. entered
C. thought
D. rushed
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No nation leaped into the 20th century like Japan. For two hundred years, Japan remained and isolated from the rest of the world. It doubted of western ways. In 1854, Commodore Perry of the U. S. Navy sailed into Tokyo Bay. When he showed the people inventions like the telegraph and railroad train, Japan realized what it was missing. Japan has quickly caught up with western technology. It may have even gone past it.
Japan has a population of over 116,000,000. The people are thickly settled on the four main islands. Since only one sixth of the land is arable, Japan relies on imported food. To pay for the imports, Japan exports manufactured goods.
Japan builds and sells cars, motorcycles, television sets, radios and cameras. Textiles and chemicals also made. In Yokohama Harbor, ships are constructed for use by other nations.
The "head start" western nations had may be the reason for Japan's success today. Western countries are still using machines and technology that they developed many years ago. Japan is using newer, improved methods. For example, robots are relieving factory-workers of long, tiring jobs.
Modem technology has brought modern problems. Air and water quality reached dangerous levels in some parts of Japan in the late 1960's. Since then, the Japanese government has applied strong pollution controls.
The main idea of the passage is that Japan ________.
A．surprises the world.
B．Suffers from serious air and water pollution
C．Leads in exporting goods
D．Leads in technology in the world today
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In the United States, the first day-nursery was opened in 1854.@Nurseries were established in various areas during the (1)_____ half of the 19th century; most of them were (2)_____ Both in Europe and in the U. S., the day-nursery (3)_____ received great (4)_____ during the First World War, when (5)_____ of manpower caused the industrial employment (6)_____ numbers of women. In some European countries nurseries were established (7)_____ in munitions (军火)plants, under direct government (8)_____ Although the number of nurseries in the U. S. also rose (9)_____, this rise was accomplished without government aid of any kind. During the years following the First World War, (10)_____, Federal, State, and local governments gradually began to exercise a measure of control over the day-nurseries, chiefly by (11)_____ them and by inspecting and regulating the conditions within the nurseries.
The (12)_____ of the Second World War was quickly followed by an increase in the number of day-nurseries in almost all countries, as women were again called upon to replace men in the factories. On this (13)_____ the U.S. government immediately came to the support of the nursery school, (14)_____ $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (15)_____ this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared for in day-care centers receiving Federal (16)_____. Soon afterward, the Federal government (17)_____ cut down its (18)_____ for this purpose and later (19)_____ them, causing a sharp drop in the number of nursery schools in operation. However, the (20)_____ that most employed mothers would leave their jobs at the end of the war was only partly fulfilled.
A．latter
B．late
C．other
D．first
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When Columbus reached the New World, corn was the______in the America,
A．widely most grown plant
B．most widely grown plant
C．most grown widely plant
D．plant widely grown most
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The poem “The Life That I Have” was used as a poem code to encrypt messages in the First World War.()
此题为判断题(对，错)。
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The tall tree, leaves are darker than those of the other two, was planted when my grandpa was young（）
A．which
B．whose
C．of which
D．that
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When was the first case of AIDS in the world discovered in the 20th Century（）
A．1960s
B．1970s
C．Early 1980s
D．Late 1980s
E．1990s
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The attack on Pear Harbor on December 7,1941 was an ______ event which brought America into World War Ⅱ．
1941年12月7号偷袭珍珠港是一起突发事件，它使美国卷入第二次世界大战。
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The world's smallest baby, a __________ girl weighed just 24 grams when she was born .
A、three months
B、three-month-old
C、three months old
D、three-months-old
