Every human has a very unique arrangement of the skin on his finger and this arrangement is unchangeable. Scientists and experts have proved the uniqueness (独特性) of fingerprints and discovered that no exactly similar pattern (式样) is passed on from parents to children, though nobody knows why this is the case.
The ridge (脊状) structure on a person’s lingers does not change with the growth and is not affected by superficial (表面的) injuries. Burns, cuts and other damage to tile outer part of the skin will be replaced in time by the new one which bears a reproduction (再现) of the original pattern. It is when the inner skin is injured that tile arrangement will be destroyed. Stone criminals make use of tilts fact to remove their own fingerprints but this is a dangerous and rare step to take.
Fingerprints call be made very easily with printer’s ink. They can be recorded easily. With special methods, identification can be achieved successfully within a short tim
A. a person’s fingerprints are similar to his father’s
B. a criminal can change his fingerprints by injuring the outer skin
C. a person’s fingerprints are passed on from his parents
D. a criminal can change his fingerprints by damaging the inner skin
| Every human has a very unique
arrangement of the skin on his finger and this arrangement is unchangeable.
Scientists and experts have proved the uniqueness (独特性) of fingerprints and
discovered that no exactly similar pattern (式样) is passed on from parents to
children, though nobody knows why this is the case. The ridge (脊状) structure on a person’s lingers does not change with the growth and is not affected by superficial (表面的) injuries. Burns, cuts and other damage to tile outer part of the skin will be replaced in time by the new one which bears a reproduction (再现) of the original pattern. It is when the inner skin is injured that tile arrangement will be destroyed. Stone criminals make use of tilts fact to remove their own fingerprints but this is a dangerous and rare step to take. Fingerprints call be made very easily wit A. a person’s fingerprints are similar to his father’s B. a criminal can change his fingerprints by injuring the outer skin C. a person’s fingerprints are passed on from his parents D. a criminal can change his fingerprints by damaging the inner skin [简答题]Every human society has its own particular culture, or sociocultural system, which overlaps to some extent with other systems. Variation among sociocultural systems is attributable to physical habitats and resources; to the range of possibilities inherent in various areas of activity, such as language, rituals and customs, and the manufacture and use of tools, and to the degree of social development. Adaptation and change take place within and among cultures by means of ecological and environmental changes.
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Television has now come to nearly every family. It has played a very important part in people’s life, and school children in the United States watch TV about 25 hours a week. [单项选择]Shyness is a nearly universal human trait. Almost everyone has bouts of it, and half of those surveyed describe themselves as shy. Perhaps because it’s so widespread, and because it suggests vulnerability, shyness is often an endearing trait: Princess Diana, for example, won millions of admirers with her "Shy Di" manner. The human species might not even exist if not for an instinctive wariness of other creatures. In fact, the ability to sense a threat and a desire to flee are lodged in the most primitive regions of the brain.
But at some life juncture, roughly 1 our of every 8 people becomes so timid that encounters with others turn into a source of overwhelming dread. The heart races, palms sweat, mouth grows dry, words vanish; thoughts become cluttered, and an urge to escape takes over. This is the face of social phobia (also known as "social anxiety disorder"), the third most common mental disorder in the United States, behind depression and alcoholism. Some social phobics can A. Being speechless in front of one’s supervisor. B. Unwillingness to go to the public toilets. C. Getting drunk in social settings. D. The heart pumping fast. 我来回答: 提交
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