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A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?()
A . none
B . one
C . two
D . three
E . four
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Nowadays people can travel around the world()
A . by raft
B . by cruise ship
C . by a ship
D . by aboat
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A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?()
A . none
B . one
C . two
D . three
E . four
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This is a very popular book in the U.S., but it died have a history of being banned in Europe, and it was still_in many countries.
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Nowadays,theBritishuseDutchasawordforsomethingbadorfalseormistaken.(2.0分)
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5. Nowadays many women are as in business as men.(success)
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In Japan, business is not conducted in _________, in mid-August, because many people travel to the graves of their ancestors.
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Many agents quit and say they are leaving because they are_____and want better pay and more humane working conditions, including less travel.
A.reverted to
B.backed up
C.fed up
D.thrust in
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It can be inferred that, for many women, having babies nowadays is_______.
A.a hard commitment
B.helpful to their career
C.essential for happiness
D.an understandable decision
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In his lecture, the education expert emphasized the fact that nowadays children are exposed to many influences_____that of their families.
A.rather than
B.other than
C.except for
D.but for
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Nowadays, there have been many arguments against the interview as a selection procedure for future partner. As a result, Internet love is very popular among young people as a means to hunt for an ideal husband or wife. What is your opinion?
Write an essay of about 400 words on the following topic:
1. INTERNET LOVE
In the first part of your essay yon should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
Write your essay on ANSWER SHEET FOUR
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If they have to share______apartment with______stranger, they may travel many miles without starting______conversation.
A.a...the...the
B.an...a...a
C.an...a...the
D.a...a...the
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Many people nowadays save money to_______for their old age.
A.cater
B.supply
C.provide
D.equip
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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
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Nowadays, a husband tends to______.
A.play a greater part in looking after the children
B.help his wife by doing most of the housework
C.feel dissatisfied with his role in the family
D.take a part-time job so that he can help in the home
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One of the well-known of American writers is Samuel Clemens, whose pen name is Mark Twain. Born in 1835, Twain grew up in the Mississippi River town of Hannibal, Missouri. As did many other boys of his day, Twain dreamed of traveling on river boats and of someday becoming a riverboat pilot. Twain used his memories of the life of a river town in his two most famous books, Huckleberry Finn and Tom Sawyer.
As a young man, Twain held many jobs. He was a printer, a good miner, and, for a time, he was a riverboat pilot. During his pilot days, he adopted the name Mark Twain. This was a term used by the boatmen to mean that the water measured two fathoms, or twelve feet, which was deep enough for safe passage.
Finally Twain became a successful writer. He traveled a great deal, writing and speaking, and became very popular both in the United States and in Europe.
Twain's style. of writing was simple and direct. Among the things he wrote about were superstitious(迷信的)people and people who were easily fooled. He used his unusual gift for humor to write about many things of importance.
Generally speaking, this article is about ______.
A.a riverboat pilot
B.a printer
C.a gold miner
D.a famous writer
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In planning a vacation, you need to decide on many things—where you will go, how long you will stay, what hotel you will stay at, what you want to see, and how much money you will spend. Travel packages are arrangements made by a travel agent or travel company to cover your vacation plans. These arrangements may include any of the following: air travel, hotels, meals, and such extras as sightseeing. Before making a decision on your travel plans, look into several packages to compare what they offer.
ENJOY FAMILY FUN IN HISTORIC
WILLIAMSBURG
THREE-NIGHT SPECIAL
(includes hotel, breakfast, sightseeing)
$120 per adult, double occupancy
Mon.—Thurs., excluding holiday periods
STAY
at the Colonial Motel
-Up to two children under 15 stay free
-Free breakfast
-Free parking
-Free swimming pool and game room
VISIT
the Historic Past
-Free full-day guided tour of Williamsburg
-Sights include the capitol building, Bruton Parish Church, Governor's Palace, and restored homes on Duke of Gloucester Street
DINE
in Historic Williamsburg
-Midweek Special includes one dinner for two at any of three free restaurants(Up to $20.@00 per person)
ENJOY
Other Family Attractions
-For just $20 a day, you can rent a car with unlimited mileage to visit nearby family attractions and amusement parks.
MAKE YOUR RESERVATIONS NOW!
PHONE "Sunstar Travel Group" TOLL FREE
800-553-6584
The Williamsburg package stresses ______.
A.family fun
B.sightseeing
C.luxury accommodations
D.car driving
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Signs in Chinese will be set up in public areas, such as airports, to help Chinese travelers, the Italian Government announced in late February,2005. Now many European countries are expected to follow this example.
Despite the different language, traveling across Europe has never been so simple. Just five years ago, if you wanted to visit Germany in the north and Spain in the south in one trip, you had to wait for weeks to apply for different visas(签证) from the two countries. You also needed a calculator(计算器) because both countries had different money.
Today, with a Schengen Visa issued(签发)by any member countries, you Can travel across 15 European countries without stopping. Since 2002, within most of the EU, there is now just one type of money called the Euro. The Euro was designed to be the only money in the EU, and already makes it easier to shop around. If you drive, your driving license and car insurance policy are valid (有效的) in the other countries. And you can use your mobile phone everywhere.
All the countries in the continent are melting(融于) into a united Europe under the EU. For Europeans and visitors the result is that it is more convenient to travel back and forth between the different countries.
What does the writer mean by saying" Now many European countries ,are expected to follow this ______. example" (Lines 2 - 3, Para. 1 )?
A.More signs will be set up for Chinese in other European countries.
B.Chinese is now an important language in Europe.
C.More Chinese people will go to travel across Europe.
D.More Europeans have a desire to know more about China.
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The onrush of cheap communications, powerful computers and the Internet all explain why many people feel that, nowadays, change is happening ever more rapidly as technological progress accelerates. Moore's law, that the power of microchips doubles every 18 months, has been tested and found correct. This is what gives people the sense of a world shifting beneath their feet.
2. Yet the implication that rapid change is a new phenomenon is again misleading. If you measure the time it takes for a technology to become widely diffused, today's experience does not seem unusual. Take the car. The basic patent for an internal-combustion engine capable of powering a car was fried in 1877. By the late 1920s—50 years later—over half of all American households owned a car.
3. The comparable dates for the computer axe harder to tie down, but the first big computer, based on vacuum valves, was built in 1946. The transistor—the first semiconductor device—was invented at Bell Laboratories in 1948. The first patent for an integrated circuit was filed in 1959. Now, in 1999-50 years after the first one was built—around half of American households own a computer. The pace of introduction has been similar to that of the car.
4. You have to cheat, choosing only the date for the personal computer, say(mid-1970s), or the internet (ditto) to make it seem much more rapid.
Comparing its diffusion among private users is, you might say, unfair to the computer, for that machine's main use is in businesses. On that measure, the best historical analogy is with electrification, and the spread of the electric dynamo into factories.
5. According to Paul David, a historian at Stanford University in California, the first electricity-generating stations had been installed in New York and London in 1881, but it was well into the 1920s before the dynamo became widely used and started to raise productivity. The adoption of the computer in business has also been slow, and failed to have any measurable impact on productivity until very recently.
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International airlines 【C1】______ the business travelers, the man or woman who regularly jets from country to country as part of the job. This does not necessarily mean that airlines ever abandoned their business travelers. Indeed, companies like Lufthansa and Swissair would rightly argue that they have always catered best 【C2】______ the executive class passengers. But many lines could be 【C3】______ of concentrating too heavily in the recent past on attracting passengers by volume, often at the expense of regular travelers. Too often, they have seemed 【C4】______ for quantity rather than quality.
Operating a major airline in the 1980s is essentially a matter of finding the right mix of passengers.
The airlines need to fill up the back end of their wide-bodied jets with low 【C5】______ passengers, without forgetting that the front end should be filled with people who pay substantially more for their tickets.
It is no coincidence that the two major airline bankruptcies in 1989. were among the companies specializing 【C6】______ cheap flights. But low fares require 【C7】______ full aircraft to make flights economically viable, and in the recent recession the volume of traffic has not grown. Equally the large number of airlines jostling for the available passengers has created a huge excess of capacity. The 【C8】______ result of excess capacity and cut- throat competition driving down fares has been to push some airlines into collapse and leave many others 【C9】______ on the brink.
Against this 【C10】______ background, it is no surprise that airlines are turning increasingly towards the business travelers to improve their rates of return. They have invested much time and effort to establish exactly what the executive demands for sitting apart from the tourists.
High on the list of priorities is punctuality; an executive% time is money. In-flight service is another area where the airlines are jostling for the executive's attention. The free drinks and headsets and better food are all part of the lure.
【C1】______
A.will rediscover
B.have rediscovered
C.rediscover
D.rediscovered
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Nowadays, more and more people enjoy c online.
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<table><tbody><tr><td>Teaching English as a foreign language is very popular for many travellers. In March I started teaching English in Thailand.
I really love teaching. I knew it could be a lot of fun, especially with my students who are 3-5 years old. But I had no idea just how much I would actually enjoy it. The only reason I started was simple - it was an easy way to make money.
I had no idea Thai children could speak English so well at such a young age. My children could describe colours, shapes, body parts, days of the week and classroom objects!
Two things changed after working. The first one was in the first weeks of teaching, I liked to have my lessons planned out, but things didn't go as expected. Now I am happy to walk into a classroom with whatever I need for the subject.
I guess the other thing would be how much the children trust me. 18 weeks ago these children were<u>unconfident</u>and pretty shy, but now they can't wait to get involved.
In 6 months I have no idea where I will be, but right now I love teaching and enjoy working with the kids every day. Will I teach again - I'd like to think so!
小题1:Where is the writer most probably from?<table><tr><td>A.Korea.</td><td>B.England.</td></tr><tr><td>C.China.</td><td>D.Japan.</td></tr></table>小题2:Which of the following is NOT the writer's student?<table><tr><td>A.May, 4 and a half, who can tell different shapes.</td></tr><tr><td>B.Wilton, 3, who can tell different colors.</td></tr><tr><td>C.Nick, 5, who can count from one to one hundred.</td></tr><tr><td>D.Leonie, 6, who is good at English grammar.</td></tr></table>小题3:Which of the following is TRUE?<table><tr><td>A.The writer might be short of money when he traveled in Thailand.</td></tr><tr><td>B.All the children in the writer's class are very naughty.</td></tr><tr><td>C.The writer will never be a teacher again.</td></tr><tr><td>D.The writer never has classes in the classroom.</td></tr></table>小题4: What is the meaning of the underlined word "unconfident" in Chinese?<table><tr><td>A.粗心大意的</td><td>B.缺乏信心的</td></tr><tr><td>C.不切实际的</td><td>D.骄傲自满的</td></tr></table>小题5:What is best title for the passage?<table><tr><td>A.Teaching is a good job.</td></tr><tr><td>B.How clever the Thailand children are!</td></tr><tr><td>C.My travel experience in Thailand.</td></tr><tr><td>D.First time as an English teacher in Thailand.</td></tr></table></td></tr></tbody></table>
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Travel agencies are made up of many enterprises operating traveling business for the purpose of making profit by going through the formalities on behalf of tourists, such as handling travel visa, tour
是
否
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Nowadays a traveler in rural England might conclude that the only village tradesmen still flourishing were either selling frozen food to the villagers or selling antiques to visitors