The local people vary greatly in their______ to the new policy.
A.thought
B.opinion
C.comment
D.attitude
A.thought
B.opinion
C.comment
D.attitude
A./etc/httpd/conf/
B./usr/local/
C./sbin/etc/
D./var/log
A.thing
B.idea
C.tale
D.fact
Television works in much the same way as radio.In radio, sound is changed into electromagnetic waves which are sent through the air.Experiments leading to modern television took place more than a hundred years ago.By the 1920s inventors and researchers had turned the early theories into working models.Yet it took another thirty years for TV to become industry.
The influence of TV on the life of the people is incalculable: it can influence their thoughts and their way of life.It can also add to their store of knowledge.Educational TV stations offer teaching in various subjects.Some hospitals use TV for medical students to get close-up views of operations.At first television programs were broadcast in black-and-white.With the development of science and technology, the problem of how to telecast them in full color was solved and by the middle 1960s the national networks were broadcasting most of their programs in color.
The programs that people watch are not only local and national ones.Since the launching of the first communications satellite, more and more programs are telecast ‘live’ from all over the world.People in San Francisco were able to watch the 1964 Olympic Games in Tokyo.And live telecasts now come form. outer space.In 1969, the first astronauts to land on the moon televised their historic ‘moon walk’ to viewers on the earth.Since then, astronauts have regularly sent telecast to the earth.
1.The launching of communications satellites make it possible for people in San Francisco to ________.
A.get close-up views of operations
B.watch the 1964 Olympic Games in Tokyo
C.store knowledge
D.watch national programs
2.The development of science and technology made it possible for television programs to ______.
A.be telecast in San Francisco B.be telecast in full color
C.be telecast in Tokyo D.be telecast in black-and-white
3.The word ‘incalculable’ means _____.
A.easy to tell
B.difficult to tell
C.very great
D.very small
4.Television is said to be the modern wonder of electronics, because_____.
A.it influences people’s way of life
B.it brings the world into people’s own home in sight and sound
C.it works as radio
D.it makes people see far
5.Television became an industry in ______.
A.1950
B.the 1950s
C.the 1920s
D.the 1960s
Conventional computer models of the atmosphere have limited value in predicting short lived local storms like the Edmonton tornado, because the available weather data are generally not detailed enough to allow computers to study carefully the subtle atmospheric changes that come before these storms.In most nations, for example, weather – balloon observations are taken just once every twelve hours at locations typically separated by hundreds of miles.With such limited data, conventional forecasting models do a much better job predicting general weather conditions over large regions than they do forecasting specific local events.
Until recently, the observation intensive approach needed for accurate, very short – range forecasts, or “Nowcasts,” was not feasible.The cost of equipping and operating many thousands of conventional weather stations was extremely high, and the difficulties involved in rapidly collecting and processing the raw weather data from such a network were hard to overcome.Fortunately, scientific and technological advances have overcome most of these problems.Radar systems, automated weather instruments, and satellites are all capable of making detailed, nearly continuous observation over large regions at a relatively low cost.Communications satellites can transmit data around the world cheaply and instantaneously, and modern computers can quickly compile and analyze this large volume of weather information.Meteorologists and computer scientists now work together to design computer programs and video equipment capable of transforming raw weather data into words, symbols, and vivid graphic displays that forecasters can interpret easily and quickly.As meteorologists have begun using these new technologies in weather forecasting offices, Nowcasting is becoming a reality.
11.The word “exceeded” in paragraph I most probably means ____________.
A.added up toB.were more than
C.were about D.were less than
12.Conventional computer models of the atmosphere fails to predict such a short – lived tornado because ______________.
A.the computer is not used to forecast specific local events
B.the computers are not advanced enough to predict it
C.the weather data people collect are often wrong
D.weather conditions in some small regions are not available
13.According to the passage, the word “Nowcast” (paragraph 3) means _______________.
A.a way of collecting raw weather data
B.a forecast which can predict the weather conditions in the small area in an accurate way
C.a network to collect instant weather data
D.a more advanced system of weather observation
14.According to the passage, ___________ is the key factor to making “Nowcasts” a reality.
A.scientific and technological advances such as radar, or satellites
B.computer scientist
C.meteorologists
D.advanced computer programs
15.According to the author, the passage mainly deals with ________________.
A.a tornado in Edmonton, Alberta
B.what’s a “Nowcast”
C.the disadvantage of conventional computer models of the weather forecast
D.a breakthrough in weather forecast
A.touch/var/state/dhcp/dhcpd.1eases
B.address/var/state/dhcp/dhcpd.1eases
C.nat/var/state/dhcP/dhcpd.1eases
D.resolve/var/state/dhcp/dhcpd.1eases
A Local Area Network
B Local Network
C Local A’network
D Local Internet
A.显示文件/var/log/audit/audit.log的所有内容
B.显示文件/var/log/audit/audit.log的前10行内容
C.显示文件/var/log/audit/audit.log的后10行内容
D.动态显示文件/var/log/audit/audit.log新增加的内容
In advanced PC bus or local bus,(18)has the fastest data throughput.
A.EISA
B.MCA
C.PCI
D.ISA
A./etc/dhcpd.conf
B. /etc/dhcp.conf
C. /var/dhcpd.conf
D. /var/dhcp.conf
假设VAR为变量,指令MOV BX,OFFSET VAR的寻址方式是()。
A.直接寻址
B.间接寻址
C.立即寻址
D.存储器寻址