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[主观题]
Traditionally the power of your computer determines how fast you can access_______
___.
提问人：网友bai008
发布时间：2022-01-07
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A、你可以帮忙做的一点小改变就是洗澡时抓紧时间快一点。
B、你能做的一点小改变就是表演一个小短剧。
C、你能做的一点小事就是快点展示。
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第3题
The Supercomputer Network
1 Recently, ten laboratories run by governments in different parts of the world have become linked. Their computers have been connected so they can "talk" to each other. This may not seem very dramatic news, but it Is the beginning of a development that will Increase the power of the Internet tremendously.
2 The Internet Is an Interconnected (互联) system of networks that connects computers round the world and facilitates the transmission and exchange of information. The way that you use the Internet is by accessing this network. This depends on the power that your system allows you to use. The power of your computer is responsible for how fast you can download (下载) files, how much data you can store, etc. If your computer is old and slow, accessing the information can be very difficult.
3 The new development in information technology has been called "the grid" (网格技术), and it will be a network of computers that are linked together. The "grid" will work in a different way from the Internet, enabling you to get the power of the biggest computers in the world on your computer. Accessing the information will no longer depend on the power of your computer. The idea is that while you access information, you will also have access to the power of the bigger computer stations.
4 One advantage of this revolutionary idea is that geographical location will become irrelevant. The "grid" will decide which are the best parts of a worldwide network to do the job you want. This means that you may be accessing a computer in Japan to solve a problem in Alaska.
5 The "grid" can be compared to having an efficient personal assistant. You can give your assistant a task and "he" will do it for you. The assistant will do the preliminary research, collect the data, compare them and decide on the best course of action by accessing any of the computer centres in the "grid" that happen to have the relevant information. All you have to do is assign the task, sit back and wait.
6 At present, possible applications of the "grid" in scientific research are being explored While It has taken about fifteen years for Internet use to become widespread, experts believe that the "grid" could be up and running for private individuals far more quickly. Scientists working on "grid" projects are convinced that it will be as widely used as the web in the next ten years.
Paragraph 2 ______
A. How does the "grid" work？B. Power sharedC. Just make a requestD. Limitations of present Internet useE. Distance is not a problemF. A new era for the Internet
Paragraph 3 ______
A. How does the "grid" work？B. Power sharedC. Just make a requestD. Limitations of present Internet useE. Distance is not a problemF. A new era for the Internet
Paragraph 4 ______
A. How does the "grid" work？B. Power sharedC. Just make a requestD. Limitations of present Internet useE. Distance is not a problemF. A new era for the Internet
Paragraph 5 ______
A. How does the "grid" work？B. Power sharedC. Just make a requestD. Limitations of present Internet useE. Distance is not a problemF. A new era for the Internet
Traditionally the power of your computer determines how fast you can access ______.
A. the bigger computer stationsB. the advantageC. ten yearsD. informationE. your personal assistantF. fifteen years
The "grid" will enable you to get on your computer the power of ______ in the wodd.
A. the bigger computer stationsB. the advantageC. ten yearsD. informationE. your personal assistantF. fifteen years
The "grid" would be like ______, who can perform. your tasks efficiently.
A. the bigger computer stationsB. the advantageC. ten yearsD. informationE. your personal assistantF. fifteen years
It is believed that the widespread use of the "grid" will become possible in the next ______.
A. the bigger computer stationsB. the advantageC. ten yearsD. informationE. your personal assistantF. fifteen years
第4题
阅读理解。????One year ago today, seven patients sh...
| 阅读理解。 |
| One year ago today, seven patients shared their stories of illness and recovery on the New York Time Well (a blog), according to a report published in April,2009. They were the first Patient Voices, a regular series that offers a first person (第一人称的) description of the challenges patients face as they deal with different kinds of health problems. Since the first Patient Voices appeared, New York Times producer Karen Barrow has continued to give a voice to a lot of patient stories. We heard from Jacqueline Castine of Bloomfield Hills, Mich,who had bipolar disorder (躁郁症), and whose son also suffered from mental (精神的) illness."I could not save him," she said."I could not fix (惩罚 ) him. He leaves a beautiful daughter and a very sad mother." And there is runner Alyssa Johnson,43,who was training for the Boston Marathon in 2003 when she began showing the first signs of Parkinson's disease." Sometimes when I'm running I'll come to a long downhill, and my legs work the way they used to work and my arm swings (摆动) the way it used to. It's like running before Parkinson's, and that's the best feeling. And then there's the voice of Robin Grinsted, 50, of Swansea, S. C.,who has H. I. V. She is refused by her church and feels lonely."They're not accepting," she said." But I know there will be people putting their arms around me some day." To hear more from these patients and the many others wh. have taken part in the series, explore the links (链接) below to all the Patient Voices we've heard from in the past 12 months. |
| 1. When did the seven patients begin to share their stories of illness？ |
| A. In 2009. B. In 2008. C. In 2003. D. In 2002. |
| 2. According to the passage, Patient Voices refers to ______ . |
| A. a series of suggestions from patients B. a magazine published by patients C. a series of patients' stories D. a blog shared by patients |
| 3. From what Jacqueline Castine said, we know her son _____. |
| A. might have killed himself B. died of bipolar disorder C. was killed in an accident D. didn't want to stay at home |
| 4. What do we know about Alyssa Johnson？ |
| A. She tried hard to fight Parkinson's disease. B. She is preparing for the Boston Marathon. C. She was depressed at the thought of Parkinson's disease. D. She didn't like running before she had Parkinson's. |
第5题
根据下列文章,请回答 41～45 题。
"Salty" Rice Plant Boosts Harvests
British scientists are breeding a new generation of rice plants that will be able to grow in soil containing salt water. Their work may enable abandoned farms to become. productive once more.
Tim Flowers and Tony Yeo, from Sussex University's School of Biological Sciences, have spent several years researching how crops, such as rice, could be made to grow in water that has become salty.
The pair have recently begun a three-year programme, funded by the Biotechnology and Biological Sciences Research Council, to establish which genes enable some plams to survive salty conditions. The aim is to breed this capability into crops, starting with rice. It is estimated that each year more than 10m hectares (公顷) of agricultural land are lost because salt gets into the soil and stunts (妨碍生长) plants. The problem is caused by several factors. In the tropics, mangroves (红树林) that create swamps (沼泽) and traditionally formed barriers to sea water have been cut down. In the Mediterranean series of droughts have caused the water table to drop, allowing sea water to seep (渗透) in. In Latin America, irrigation often causes problems when water is oval)orated (蒸发) by the heat, leaving salt deposits behind.
Excess salt then enters the plants and prevents them functioning normally. Heavy concentrations of minerals in the plants stop them drawing up the water they need to survive.
To overcome these problems, Flowers and Yeo decided to breed rice plants that take in very little salt and store what they do absorb in cells that do not affect the plants' growth. They have started to breed these characteristics into a new rice crop, but it will take about eight harvests before the resulting seeds are ready to be considered for commercial use.
Once the characteristics for surviving salty, soil are known, Flowers and Yeo will try to breed the appropriate genes into all manners of crops and plants. Land that has been abandoned to nature will then be able to bloom again, providing much needed food in the poorer countries of the world.
第 41 题 Which of the following statements about Flowers and Yeo is true？
A．They are students at Sussex University.
B．They are rice breeders.
C．They are husband and wife.
D．They are colleagues at an institution of higher learning.
第7题
根据下列文章,请回答 51～65 题。
Earth's Inner Core
Scientists have long struggled to understand what lies at the planet's center. Direct observation of its center is impossible, so researchers must ________ (1) to other evidence.
In 1889, a German scientist detected a severe earthquake in Japan. Geophysicists concluded that shock waves________ (2) jolts (晃动) from one side of Earth through the center to the other side. Then in 1936, Danish geophysicist Inge Lehmann studied the waves'________(3) to determine that within Earth's core of molten (熔化了的) iron lies a solid inner core -- but ________ (4) that core was made of eluded (难倒) her. Other geophysicists quickly determined that Lehmann's inner core was composed mostly ________(5) iron. Since then, Lehmann's discovery has ________(6) conventional Earth science.
But now scientists are challenging traditional theory With new and radical ________ (7). For example, Earth's center could actually contain an "inner core within the inner core," claim Ishii and colleague Adam Dziewonski.
Analyzing hundreds of thousands of earthquake wave________ (8), they maintain that the inner core has at its heart a tiny, even more solid sphere (球体). This sphere "may be the oldest fossil ________ (9) from the formation of Earth," says Dziewonski.
Dziewonski and Ishii speculate that shortly ________ (10) Earth formed around4.8 billion years ago, a giant asteroid (小行星) smashed into the young planet and nearly melted it. But Earth's center didn't quite melt; it________(11) mass as the planet cooled. The core within a core may be the kernel (核心) that endured. "Its presence could change our basic ideas about the ________ (12) of the planet," Dziewonski says.
Dziewonski's idea is tame (温和的) compared to the ________ (13) theories of independent geophysicist J. Marvin Herndon. Earth's inner core is made not of iron, he claims, but a ________ (14) of nickel and silicon. Herndon has a truly revolutionary notion: Within the nickel silicide (硅化物) inner core is also an "inner" inner core -- an 8 km-wide ball of the element uranium. Uranium is radioactive. Herndon thinks the uranium releases heat energy as its atoms ________ (15) fission-split and crash into one another in a chain reaction. In other words, we may live on top of a gigantic, "natural" nuclear power plant.
第 51 题
A．try
B．leave
C．turn
D．point
第9题
Untrained civilians are more likely to suffer from motion sickness in a spacecraft.
A．Right
B．Wrong
C．Not mentioned
