口译中级模拟集7
　　Passage 121
　　Each night we alternate between two kinds of sleep; active sleep and passive sleep// Passive sleep, gives our body the et that is needed, and prepares us for active sleep, in which dreaming occurs.// In passive sleep, the body is at rest, the heartbeat slows down and the body processes become very slow.// This stage of sleep is known as slow wave sleep because the brain waves move in a very slow, regular rhythm.//
　　Passage 122
　　From recorded time, man has been fascinated with music and the hardware of sound reproduction.// The modern recording industry was born to satisfy an enormous market for all types of music; folk, classical, orchestral and popular.// The widespread use of electricity led to the invention of the portable record player, while the rise of the electronic industry fed the growing demand for hi-fi stereo systems.// It is certain that the ever-improving technology will give rise to another development beyond digital sound, making the CD obsolete from general use.//
　　Passage 123
　　Every living thing is a unique combination of the tiny pieces of matter called genes that carry information from parents to offspring.// Our genes decide what we are, what we look like, how long we live and so on.// There are people who are obsessed with cloning (克隆) experiments and wish to apply the theory of genetical replication to cloning human beings.// The idea of combining animal genes with plant genes, or animal genes with human genes has upset many people for ethical reasons.//
　　Passage 124
　　The human brain contains an average of ten billion neurons, or never cells, each of which in linked with one thousand to ten thousand other neurons.// These nerve cells participate in countless electrical microcircuits, which makes possible though, perception, communication, and other types of mental activity. // In the cortex of the brain reside human cognitive abilities such as sophisticated reasoning, linguistic skills and musical ability.// The cortex, which is not present to a comparable degree in any other species, represents man’s relatively recent evolutionary step in neurological development.//
　　Passage 125
　　The brain is divided into two roughly symmetrical hemispheres.// The activity of the two hemispheres is coordinated by a number of interconnecting nerve pathways.// Current evidence suggests that the left hemisphere has primary responsibility for language, while the right hemisphere controls visual and spatial skills and the perception of nonlinguistic sounds and musical melodies.// It is believed that the left brain dominance for linguistic functions appears to exist prior to birth and this linguistic asymmetry is maintained throughout life.//
　　Passage 126
　　欢迎各位参加“对外汉语”学习班。我们很高兴地看到，近年来世界各地学习汉语的人数与日俱增。// 对于这门拥有世界上使用人数最多、文学历史最悠久的语言来说，这股学习热潮早该出现了。// 从某种意义上说，汉语是一门很古老的语言，其最早的汉字已有近四千年的历史了。// 随着各位学习兴趣的提高，我将适时地介绍汉语对中华民族的文化和思维所产生的影响。//

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