The symbols of mathematics ()we are familiar are signs ofaddition, subtraction and division, multiplication andequality.
A.to which
B.which
C.with which
D.in which
A.to which
B.which
C.with which
D.in which
Using many symbols makes __________for us to take notes more quickly.
A. possible it is
B. it possible
C. it is possible
D. that possible
A.symbols
B. symptoms
C. systems
D. sympathies
A.Chinese zodiac is based on time periods of birth
B.Western constellation has 12 symbols or signs with associated personalities and fortunes
C.Western astrology are based on constellations' positions relative to the earth
D.Western astrology is calculated on ayear-by-yearbase
A.A mixture of uppercase and lowercase letters, symbols and numbers
B.An arcane phrase only she can remember
C.An incorrect spelling of a word or a phrase
D.A mixture of random words that form. non-sense
The means of receiving communications are too numerous and varied for systematic classification; therefore, the analysis must begin with the means of receiving communication. Reception of communication is achieved by our senses. Sight, heating, and touch play the most important roles.
Example of visual communication are gesture and mini-cry. Although both frequently accompany speech, there are systems that rely solely on sight, such as those used by deaf and dumb persons. Another means of communicating visually is by signals of fire, smoke, flags or flashing lights. Feeling may be simply communicated by touch, such as handshaking , although a highly developed system of handshaking has enabled blind, deaf, and dumb persons to communicate intelligently. Whistling to someone, applauding in a theater, and other forms of communication by sound rely upon the ear as a receiver. The most fully developed form. of auditory communication is, of course, the spoken language.
The means of communication mentioned so far have two feature in common; they last only a short time, and the persons involved must be relatively close to each other. Therefore all are restricted in time and space.
The author explains that he will deal with reception of communication first because ______.
A.communication actually takes place when the message is received
B.there are more means of receiving than sending communications
C.reception of communications involved use of the senses
D.it is difficult to organize by type the means of sending communications
Culture shock is an occupational disease (职业病) for people who have been suddenly transplanted abroad.
Culture shock is caused by the anxiety that results from losing all familiar signs and symbols of social intercourse. Those signs are as following: How to shake hands and what to say when meeting people, when and how to give tips, how to make purchases, when to accept and refuse invitations, when to take statements seriously and when not. These signs, which may be words, gestures, facial expressions, or customs, are acquired by all of us in the course of growing up and as much a part of our culture as the language we speak or the beliefs we accept. All of us depend on hundreds of these signs for the peace of our mind and day-to-day efficiency, but we do not carry most at the level of conscious awareness.
Now when an individual enters a strange culture, all or most of these familiar signs are removed. No matter how broadminded or full of good will you may be, a series of supports have been knocked from under you, followed by a feeling of frustration. When suffering from culture shock people first reject the environment which causes discomfort. The ways of the host country are bad Because they make us feel bad. When foreigners on a strange land get together to complain about the host country and its people, you can be sure that they are suffering from culture shock.
According to the passage, culture shock is______.
A.an occupational disease of foreign people
B.may lead to very serious symptoms
C.actually not a disease
D.incurable
Until recently, the observation-intensive approach needed for accurate, very short range forecasts, or "nowcasts" , was impracticable. 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 beyond overcoming. Fortunately, scientific and technological advance have overcome most of these problems. Radar systems, automated weather instruments , and satellites are all capable of making detailed, nearly continuous observations over large regions at a relatively low cost. Communication satellites can transmit data around the world cheaply and immediately, and modern computers can quickly compile and analyze this large volume of weather information. Meteorologists (气象学家) 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.
What is the best title of the passage?
A.Severe Thunderstorms and Damages
B.Weather Forecasting and Life-threatening
C.Science Advances and Nowcasts
D.Available Data and Nowcasts