题目内容
You discover that the upgrade of computer2 is incomplete. Furthermore, you find that computer2 can no longer run Windows NT workstation 4.0. Computer2 does not support booting from the Windows 2000 Professional CD-ROM. You decide to use computer1 to help recover the failed upgrade.
What should you do？
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You are the administrator of your company's network. A user named Paul in the service department has a Windows 2000 Professional computer. Paul needs to access the files that are in a shared folder on his computer. A local group named Sales has permissions to access the data. Paul is a member of the Sales local group but he cannot access the file he needs.
What should you do？
You want to upgrade 150 computers from Windows NT Workstation 4.0 to Windows 2000 Professional.
You create an Unattend.txt file by using Setup Manager. You copy the file to a floppy disk.
You then start the installation on a test computer by using the Windows 2000 Professional CD-ROM.
You insert the floppy disk after the computer starts.
Although you had set the user interaction level to full unattended mode, you are prompted for all the required parameters. You want to ensure that the unattended installation does not prompt you for input.
What should you do？
Solar Storm
At the end of October 2003, a sudden solar storm hit the earth. A solar storm refers to the large amounts of charged particles released into space(51)the solar energy increases. The release of the energy(52)place along with the activity of the sunspots with a cycle of 11 years. This time, the(53)of the storm exceeded expectations.
This(54)of intense solar storm was caused by the eruption of a solar flare (闪光) and the ejection (喷发) of the solar corona (日冠) on October 28, 2003. Large amounts of charged particles moved 150,000,000 kilometers through space toward the(55)in 19 hours. They could affect aircraft roaming (漫游) in space.
The high-energy particles will(56)some of the parts of an aircraft. They may also cause it to fail. High-energy particles can threaten the safety of an aircraft at a high orbit. If an aircraft orbits at a lower orbit, it is(57)because it is under the protection of the earth's magnetic field.
A solar storm not only affects aircraft but also is a(58)to the environment and humans. The aerosphere and magnetic field of the earth can(59)humans from ultraviolet radiation and X-rays. While most of the X-rays are absorbed after they enter the aerosphere (大气层), still a few can(60)the ground.
The geomagnetic storm caused by this round of solar storm reaches its highest level on the two(61)of the earth, which affects electricity supply of North America. Overexposure to(62)threatens the health of passengers on planes flying over the Polar Regions. If we fly in the sky during such a solar storm, it(63) we receive ten times the X-ray radiation. It's really damaging.
Scientists say a solar eruption is like the sun sneezing, which will make the earth(64)a cold. Though this natural force is irresistible, scientists can still(65)its movement accurately by monitoring. Facing successive solar storms, humans can't drop their guard.
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
Learning is an essential process for living things to acquire necessary skills and behaviors. Scientists have al ready found that there is a critical period for learning in man and animals. Once the right time for learning a skill or a certain behaviors has passed, this skill or behavior. can never be properly learned.
That we speak our own language perfectly and the languages we learn later imperfectly also depends on learning this skill at the right time. The brain develops in such a way that it is ready to learn to speak between the ages of about ten months and ten years. Languages learned later are not spoken perfectly. The ability to speak a language is a mixed motor and sensory skill. It is necessary to hear all the sounds, the subtle differences between similar but not identical sounds, the rhythm and tone of the language. One has also to work tongue, throat, and lips to control breathing. All this has to be managed at one and the same time. From some time after birth until the age of six or seven, normal children all learn this perfectly; and without much difficulty they can learn two or even three languages at the same time, without confusing one with the other. But later, most of us cannot acquire this skill. We may learn to write and read the new language perfectly; but to acquire the right accent and the ability to speak so that no one can detect that the language is not our mother tongue hardly ever occurs.
But those of us who still want to learn foreign languages after these early milestones have been passed need not worry, for though we may not learn to speak a new language like the natives, we know from thousands of examples that we can go on learning languages beyond the age of eighty. There are so many activities adding up to the simple word" learning" that although some of the processes become less efficient with ageing of the brain, our actual experience of learning helps us in learning new materials.
Normal social and emotional development probably also needs the correct stimulating at the right time. We can observe evidence of this in those rare cases of children who have been completely neglected from birth. Sometimes illegitimate children in the country are put away in barns to conceal their existence from the neighbors. They are taught nothing, not even to be house-trained or to speak. These children then grow up mentally defective. Even if they are found and rescued by the age of four or five, it is too late; though they can be taught a lot, their speech is always inadequate and their brains never reach the standards of their brothers or sisters.
What can we learn from the first paragraph about the critical period？
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