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What can a shaky or fuzzy image on the screen cause？
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更多“What can a shaky or fuzzy image on the screen cause？”相关的问题
第1题
What does the word" shaky" mean in the last paragraph？
A．Trembling.
B．Undependable.
C．Inaccurate.
D．Unsteady.
第2题
General Psychology: the Study of Behavior
Introduction
General psychology is concerned with the study of human behavior. How man acts in public and in private, how he responds in certain situations, and even how he feels may be considered behavior. Part of man' s behavior. comes from heredity, and is therefore common to all men: when faced with what considered to be a fearful situation, all men will tremble. Most of our behavior, however, is learned. If two people are shown the snake, for example, their reactions might be very different. One person might curiously watch the snake twist and turn. The other person might run away as quickly as possible. The distinction between the types of behavior, hereditary and learned, is not always clear, for the effect of environment begins immediately after birth. One can also speak of a mixture of learned and learned, is not al ways clear, for the effect of environment begins immediately after birth. One can also speak of a mixture of learned and hereditary behavior. In fact none of our behavior. is completely free of society' s influence.
Most animals are born with the capacity to live independently in the world soon after birth. Fish are born able to swim, and, within moments of birth, are behaving as miniature adult fish. Chicks start pecking at the ground for food shortly after leaving the egg. Although its legs are shaky at first, a pony can stand and walk soon after birth. While a kitten is born blind and helpless, within a month it fearlessly at tacks everything in its path. In comparison with other animals, man is born helpless and remains that way for an extended period of time. A human child must be protected from cold, cared about, and cannot even suckle without his mother' s help. One could hardly imagine a child of three totally independent, having to feed and care for himself. Yet, after living three years most other animals are mature. Why is man's maturation so much slower than that of most other animals？
Limitations of Animal Behavior
The behavior. of animals is largely what we call "automatic" or "instinctive". Given certain environ mental conditions a female bird will start building a nest. Other female birds of the same species will carry out the identical activity at the same time. This behavior. happens when there is a proper stimulus, that is, something in the environment automatically stimulates the bird to act in a certain way. A great deal of a bird' s life is controlled by patterns of behavior. which are built into its biological system much as information is programmed into a computer. If the stimulus the present, the behavior. will automatically follow. For example, a female bird knows she must sit on her eggs until they hatch. If china eggs are substituted for her own eggs, she will continue to sit on them, waiting for the artifical eggs to hatch. She cannot be have in any other way.
Adaptability of Man
Instinct allows little freedom of behavior. A bird cannot "decide" to build an innovative nest, but must build according to the fixed plan. The fixed plan is suitable for the environment in which the animal lives, but does not permit the animal to choose a new environment nor to change its environment. Man, however, is found in a wide variety of environments ranging from the very hot to the very cold, from the very humid to the extremely dry. He is found where caves provide natural shelter, where wood can be used to build houses, and where he must shape and bake the earth into bricks before he can use it to build a shelter. This is possible because most of man' s behavior. is not based on instinct and is therefore more adaptable. Instead of having the solutions to life' s problems programmed into his biological system, man has the intelligence to solve these problems and the motivation to seek the solutions. While other animals have strength or swiftness, man has his mind. This intelligence a
A．Y
B．N
C．NG
第3题
听力原文： Jenny never wanted to be a national public figure. All she wanted to be was a mother and a homemaker. But her life was turned upside down when a motorist distracted by his cell phone, ran a stop sign and crashed into the side of her car. The impact killed her two-year-old daughter. Four months later, Jenny reluctantly but courageously decided to try to educate the public and to fight for laws to ban drivers from using cell phones while a car is moving. She wanted to save other children from what happened to her daughter. In her first speech, Jenny got off to a shaky start. She was visibly trembling and her voice was soft and uncertain. But as she got into her speech, a dramatic transformation took place. She stopped shaking and spoke with a strong voice. For the rest of her talk, she was a forceful and compelling speaker. She wanted everyone in the audience to know what she knew without having to learn it from a personal tragedy. Many in the audience were moved to tears, and to action. In subsequent presentations, Jenny gained reputation as a highly effective speaker. Her appearance on a talk show was broadcast three times transmitting her message to over 14,000,000 people. Her campaign increased public awareness of the problem and prompted over 300 cities and several states to consider restrictions on cell phone use.
What was the significant change in Jenny's life？
A．She became a public figure.
B．She made a successful speech.
C．She had a terrible lesson.
D．She was hurt in the accident.
第4题
听力原文： [29/30] Patricia Pania never wanted to be a national public figure. All she wanted to be was a mother and homemaker. But her life was turned upside down when a motorist, distracted by his cell phone, ran a stop sign and crashed into the side of her car. The impact killed her 2-year-old daughter. Four months later, Pania reluctantly but courageously decided to try to educate the public and to [32] fight for laws to ban drivers from using cell phones while a car is moving. She wanted to save other children from what happened to her daughter. [31] In her first speech, Pania got off to a shaky start. She was visibly trembling and her voice was soft and uncertain. But as she got into her speech, a dramatic transformation took place. She stopped shaking and spoke with a strong voice. For the rest of her talk, she was a forceful and compelling speaker. She wanted everyone in the audience to know what she knew without having to learn it from a personal tragedy. Many in the audience were moved to tears and to action. In subsequent presentations, Pania gained reputation as a highly effective speaker. Her appearance on a talk show was broadcast three times, transmitting her message to over 14 million people. [32] Her campaign increased public awareness of the problem, and prompted over 300 cities and several states to consider restrictions on cell phone use.
(33)
A．She stopped being a homemaker.
B．She became a famous educator.
C．She became a public figure.
D．She quit driving altogether.
第5题
The best title for the passage might be ______.
A．The Shaky Credibility.
B．Repeated Promises of Reform.
C．Can the SAT Be Made Better？
D．Can the ACT Take Down the SAT？
第6题
In the early 1950s,historians who studied pre-industrial Europe (which we may define here as Europe in the period from roughly 1300 to 1800) began, for the first time in large numbers, to investigate more of the pre-industrial European population than the 2 or3 per cent who comprised the political and social elite' the kings, generals, judges, nobles, bishops, and local magnates who had hitherto usually filled history books. One difficulty, however, was that few of the remaining 97 percent recorded their thoughts or had them chronicled by contemporaries. Faced with this situation, many historians based their investigations on the only records that seemed to exist: birth, marriage, and death records. As a result, much of the early work on the non-elite was aridly statistical in nature; reducing the vast majority of the population to a set of numbers was hardly more enlightening than ignoring them altogether. Historians still did not know what these people thought or felt.
One way out of this dilemma was to turn to the records of legal courts, for here the voices of the non-elite can most often be heard, as witnesses, plaintiffs, and defendants. These documents have acted as" a point of entry into the mental world of the poor. "Historians such as Le Roy Ladurie have used the documents to extract case histories, which have illustrated the attitudes of different social groups (these attitudes include, but are not confined to, attitudes toward crime and the law) and have revealed how the authorities administered justice. It has been societies that have had a developed police system and practiced Roman law, with its written depositions, whose court records have yielded the most data to historians. In Anglo-Saxon countries hardly any of these benefits obtain, but it has still been possible to glean information from the study of legal documents.
The extraction of case histories is not, however, the only use to which court records may be put. Historians who study pre-industrial Europe have used the records to establish a series of categories of crime and to quantify indictments that were issued over a given number of years. This use of the re cords does yield some information about the non-elite, but this information gives us little insight into the mental lives of the non-elite. We also know that the number of indictments in pre-industrial Europe bears little relation to the number of actual criminal acts, and we strongly suspect that the relationship has varied widely over time. In addition, aggregate population estimates are very shaky, which makes it difficult for historians to compare rates of crime per thousand in one decade of the pre-industrial period with rates in another decade. Given these inadequacies, it is clear why the case history Use of court records is to be preferred.
How is in the investigations carried out by historians in 1950s different from previous studies？
A．They had new findings.
B．They expanded the period defined as pre-industrial Europe.
C．They investigated the common people who took up the majority of the population.
D．The investigations were on the kings, generals ,judges, nobles, bishops, and local magnates.
第7题
Why does the author say that "the film business has been on shaky ground"？ (para.5)
第8题
The best title for the passage might be
A．The Shaky Credibility.
B．Repeated Promises of Reform.
C．Can the SAT Be Made Better？
D．Can the ACT Take Down the SAT？
第9题
A．suppressed
B．elevated
C．lessened
D．soared
