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What is the purpose of the NBAR protocol discovery？（）
A . to build a Packet Description Language Module （PDLM） file to be used in protocol matching
B . to discover applications and build class maps for data classification
C . to look into the TCP or UDP payload and classify packets based on the content
D . to build a database of all application data that passes through the router and queue the data accordingly
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What are two components of the discovery guide in the Cisco SBR sales approach?（）
A . Calculate Business Need PriorityAnd Evolution Phase
B . Prioritize and Prepare Solutions Recommendations
C . Pain Point and Implementation Assessment
D . Business Needs-based Solution Recommended
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The discovery of Indo-European language family began with the work of the British scholar（）.
A . Jacob Grimm
B . Rasmus Rask
C . Franz Bopp
D . Sir William Jone
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If you use ALTER DISKGROUP ... ADD DISK and specify a wildcard for the discovery string， what happens to disks that are already a part of the same or another disk group？（）
A . The command fails unless you specify the FORCE option.
B . The command fails unless you specify the REUSE option.
C . The command must be reissued with a more specific discovery string.
D . The other disks， already part of the disk group，are ignored.
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You are conducting a cdp-based discovery using an edge switch for the seed. there is a router between the switch and the wlse. none of the access points are discovered， and the discovery log shows the switch is snmp unreachable. What is the problem？（）
A . the snmp communities on the switch do not match the wlse.
B . the snmp communities on the access points do not match the wlse.
C . the snmp communities on the access points do not match the switch.
D . the snmp communities on the router do not match the wlse.
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What are two components of the Discovery Guide in the Cisco sales approach?（）
A . calculating the customer's businessneed priorities
B . recommending a business needs-based solution
C . ranking customer business needs
D . probing more deeply into the customer's business challenge
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The discovery of terra-cotta warriors and horses is regarded as the greatest archaeological find of the 20th century.
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Christopher Columbus is a famous Italian navigator and the pioneer of the great voyages of discovery.
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Discovery of mausoleum can reveal the history without written records. （ ）
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In the future, the discovery which will most change the lives of people, most affect the health of the world, and __________ the drug industry is the cure for the common cold.
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The last sentence of “Two Kinds” is significant because it contains the narrator’s epiphany, a moment of insight, discovery or revelation, by which the character’s view is greatly altered.
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The earliest discovery of human beings and the most common chromosomal disease in clinic, is the following:
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The discovery of _______ pointed out the way towards the disease germ without harming the body.
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People there warmly ____ him on the discovery of oil（）
A、congratulated
B、bargained
C、believed
D、considered
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The discovery of petroleum seedlings is of great significance to petroleum exploration in that it indicates that
A、there must be petroleum reservoirs (fields) underground
B、there are no petroleum reservoirs (fields) underground
C、there may be petroleum reservoirs (fields) underground
D、there are large petroleum reservoirs (fields) underground
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The psychologists______study the nature of sleep have made important discoveries.
A．that
B．when
C．they
D．why
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One of Freud's great_____into the human personality was the discovery of how it is influenced by unconscious processes.
A．convictions
B．concepts
C．insights
D．instincts
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The discoveries of Avermectin and Artemisinin have revolutionized therapy for patients suffering from devastating parasitic diseases.
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Discovery Channel's weekly series "Unsolved History" is one of the best among similar TV programs.
A．Y
B．N
C．NG
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听力原文：M: American researchers have made a discovery that might help them better understand the mysterious sense of smell, VOA's Jessica Bermon reports.
W: There are about a thousand protein receptors in the nose that tell the brain what it's smelling. Each receptor can detect one or more odors but scientists have never before linked a specific odor molecule to a particular receptor. Writing in the journal Science, researchers at New York's Columbia University report doing just that with a meat odor and a receptor in the noses of rats. Steward Fairstine led the team of investigators. He says humans arc capable of discerning something like ten thousand different odors. Mrs. Fairstine says the research might also tell scientists more about brain chemicals and hormones which are part of the same family as odor receptors. Jessica Bermon, VOA news, Washington.
The research was done by scientists at ______.
A．New York University
B．Columbia University in New York
C．Washington University
D．Harvard University
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The miracle silicon chip represents a development in the technology of mankind that over the past few years has acquired the force and significance associated with the development of hand tools or the discovery of the steam engine. Just as the Industrial Revolution took over an immense range of tasks from men's muscles and enormously expanded productivity, so the microcomputer is rapidly assuming huge burdens of tedious work from the human brain and thereby expanding the mind's capacities in ways that man has only begun to grasp. With the chip, remarkable achievements of memory and execution become possible in everything from farms to banks to corporate offices.
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Scientists discovered that atoms of some substances are radioactive. This means that they are unstable and can be split. The chain of splitting atoms releases great destructive energy and it was this discovery which led scientists to develop the idea of an atomic bomb. The American government secretly worked to produce such a bomb and the first version was much more powerful than anyone had thought.
By this time, the World War II had ended in Europe. But the Japanese refused to surrender, the Americans decided that by dropping an atomic bomb on Japan, they could end the war quickly and save more of their soldier’s lives.
Soon after midnight on 6 August 1945, a bomb was dropped on the city of Hiroshima, a civilian target. No warning was given and there was total devastation. Almost all the buildings were destroyed and more than 100000 people died or were horribly wounded.
The Japanese military still did not want to surrender so three days later, the Americans dropped a second atomic bomb on the city of Nagasaki, killing 45000 people. The Japanese government was discussing ending the war when they heard the news of Nagasaki. Finally, they surrendered and the World War II came to an end.
At first, the scientists who had built the bomb were pleased that it had helped to end the war. However, many would come to realize that they had helped to create the most terrible weapon known to man.
The first atomic bomb ______.
A．was less powerful
B．was dropped in Nagasaki
C．was a failure
D．was tested in desert
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To get a sense of how women have progressed in science, take a quick tour of the physics department at the University of California, Berkeley. This is a storied place, the 36 of some of the most important discoveries in modern science—starting with Ernest Lawrence’s invention of the cyclotron (回旋加速器) in 1931. A generation ago, female faces were 37 and, even today, visitors walking through the first floor of LeConte Hall will see a full corridor of exhibits 38 the many distinguished physicists who made history here, 39 all of them white males.
But climb up to the third floor and you’ll see a 40 display. There, among the photos of current faculty members and students, are portraits of the 41 head of the department, Marjorie Shapiro, and four other women whose research 42 everything from the mechanics of the universe to the smallest particles of matter. A sixth woman was hired just two weeks ago. Although they’re still only about 10 percent of the physics faculty, women are clearly a presence here. And the real 43 may be in the smaller photos to the right: graduate and undergraduate students, about 20 percent of them female. Every year Berkeley sends its fresh female physics PhDs to the country’s top universities. That makes Shapiro optimistic, but also 44 . “I believe things are getting better,” she says, “but they’re not getting better as 45 as I would like.”
A) circumstance
B) confidence
C) covers
D) current
E) deals
F) different
G) exposing
H) fast
I) honoring
J) hope
K) presently
L) rare
M) realistic
N) site
O) virtually
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Writing：A statement goes that “only through mistakes can there be discovery or progress”. To what degree do you agree with this statement？ Write an essay of about 400 words.In the first part of your e
