问答题Practice 1  Biological diversity, or biodiversity, means the variety of life on earth and includes the entire web of living organisms ranging from soil microbes, frogs, and trees to bears and blue whales. From the perspective of sustainable use, wildlife is a renewable resource that provides many benefits and socioeconomic advantages. Sustainable use is defined as “the use of components of biodiversity in a way and at a rate that does not lead to long term decline” but maintains the “potential to meet the needs and aspirations of present and future generations.”

问答题
Practice 1  Biological diversity, or biodiversity, means the variety of life on earth and includes the entire web of living organisms ranging from soil microbes, frogs, and trees to bears and blue whales. From the perspective of sustainable use, wildlife is a renewable resource that provides many benefits and socioeconomic advantages. Sustainable use is defined as “the use of components of biodiversity in a way and at a rate that does not lead to long term decline” but maintains the “potential to meet the needs and aspirations of present and future generations.”

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The underlined word \\\thwart\\\ (Para. 1) most probably means \\\thwart\\\ (Para. 1) most probably means \\\________\\\.[A] destroy[B] forbid[C] cure[D] prevent

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TM7的diversity模式对应的DCIformat是()A、1B、1AC、2D、2A

grammar practice is usually divided into two categories, _______________. A. meaningful drilling and communicative drillingB. mechanical drilling and meaningful drillingC. mechanical practice and meaningful practiceD. meaningful practice and communicative practice

Biological treatment may use __ to treat sewage (1)living organisms (2)chemicals (3)additivesA.(1)B.(2)C.(3)D.(1)(2)(3)

1.I don't have a partner __________volleyball __________.A. to practice;/B. practice; withC. to practice; withD. practice;/

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The best statement of the main idea of this passage is that__________.A.scientists have found a way to prolong the period of clinical deathB.biological death occurs when vital organs have suffered permanent damageC.modern scientists divide the process of dying into clinical and biological deathD.cooling delays the processes leading to biological death

genetic diversity

生物多态性 (biodiversity)

设置PDCCH信道是否使用发射分集的参数是()A、Cell Open-loop Spatial Multiplexing Used IndicatorB、Transmit Diversity Indicator for Common ChannelC、Cell transmit Diversity Used IndicatorD、Cell Closed-loop Spatial Multiplexing Used Indicator

设置PDCCH信道是否使用发射分集的参数是()。 A、Cell Open-loop Spatial Multiplexing UsedIndicatorB、Transmit Diversity Indicatorfor Common ChannelC、Celltransmit Diversity UsedIndicatorD、Cell Closed-loop Spatial Multiplexing UsedIndicator

多样性 diversity

生物武器(Biological weapon)

生物热(biological heat)

单选题For Question 1, select one answer choice.  In the passage, “gold standard” most nearly means ______.Amonetary normalcyBnatural outgrowthCfinancial customDcultural expectationEbest practice

问答题Despite the basic biological, chemical, and physical similarities found in all living things, a diversity of life exists not only among and between species but also within every natural population. The phenomenon of diversity has had a long history of study because so many of the variations that exist in nature are visible to the eye.  1) It has been suggested that sexual reproduction became the dominant type of reproduction among organisms because of its inherent advantage of variability, which is the mechanism that enables a species to adjust to changing conditions.New variations are potentially present in genetic differences, but how preponderant a variation becomes in a gene pool depends upon the number of offspring the mutants or variants produce (differential reproduction). 2)It is possible for a genetic novelty (new variation) to spread in time to all members of a population, especially if the novelty enhances the population’s chances for survival in the environment in which it exists.Thus, when a species is introduced into a new habitat, it either adapts to the change by natural selection or by some other evolutionary mechanism or else it eventually dies off. Because each new habitat means new adaptations, habitat changes have been responsible for the millions of different kinds of species and for the heterogeneity within each species.  The total number of animal and plant species is estimated at between 2,000,000 and 4,500,000; authoritative estimates of the number of extinct species range from 15,000,000 up to 16,000,000,000. 3)Although the use of classification as a means of producing some kind of order out of this staggering number of different types of organisms appears as early as the book of Genesis—with references to cattle, beasts, fowl, creeping things, trees, etc.—the first scientific attempt at classification is attributed to the Greek philosopher Aristotle, who tried to establish a system that would indicate the relationship of all things to each other.He arranged everything along a scale, or “ladder of nature”, with nonliving things at the bottom; plants were placed below animals, and man was at the top. 4)Other schemes that have been used for grouping species include large anatomical similarities, such as wings or fins, which indicate a natural relationship, and also similarities in reproductive structures.  5)At the present time taxonomy is based on two major assumptions: one is that similar body construction can be used as a criterion for a classification grouping; the other is that, in addition to structural similarities, evolutionary and molecular relationships between organisms can be used as a means for determining classification.

问答题Practice 1 商务管理

问答题Passage 1  Despite the basic biological, chemical, and physical similarities found in all living things, a diversity of life exists not only among and between species but also within every natural population. The phenomenon of diversity has had a long history of study because so many of the variations that exist in nature are visible to the eye.  (1) It has been suggested that sexual reproduction became the dominant type of reproduction among organisms because of its inherent advantage of variability, which is the mechanism that enables a species to adjust to changing conditions. New variations are potentially present in genetic differences, but how preponderant a variation becomes in a gene pool depends upon the number of offspring the mutants or variants produce (differential reproduction). (2) It is possible for a genetic novelty (new variation) to spread in time to all members of a population, especially if the novelty enhances the population’s chances for survival in the environment in which it exists. Thus, when a species is introduced into a new habitat, it either adapts to the change by natural selection or by some other evolutionary mechanism or else it eventually dies off. Because each new habitat means new adaptations, habitat changes have been responsible for the millions of different kinds of species and for the heterogeneity within each species.  The total number of animal and plant species is estimated at between 2,000,000 and 4,500,000; authoritative estimates of the number of extinct species range from 15,000,000 up to 16,000,000,000. (3)Although the use of classification as a means of producing some kind of order out of this staggering number of different types of organisms appears as early as the book of Genesis—with references to cattle, beasts, fowl, creeping things, trees, etc.—the first scientific attempt at classification is attributed to the Greek philosopher Aristotle, who tried to establish a system that would indicate the relationship of all things to each other. He arranged everything along a scale, or “ladder of nature”, with nonliving things at the bottom; plants were placed below animals, and man was at the top. (4)Other schemes that have been used for grouping species include large anatomical similarities, such as wings or fins, which indicate a natural relationship, and also similarities in reproductive structures.  (5) At the present time taxonomy is based on two major assumptions: one is that similar body construction can be used as a criterion for a classification grouping; the other is that, in addition to structural similarities, evolutionary and molecular relationships between organisms can be used as a means for determining classification.

问答题Practice 1 :旅游观光

单选题TM7的diversity模式对应的DCI format是()A1B1AC2D2A

问答题Practice 1  Biological diversity, or biodiversity, means the variety of life on earth and includes the entire web of living organisms ranging from soil microbes, frogs, and trees to bears and blue whales. From the perspective of sustainable use, wildlife is a renewable resource that provides many benefits and socioeconomic advantages. Sustainable use is defined as “the use of components of biodiversity in a way and at a rate that does not lead to long term decline” but maintains the “potential to meet the needs and aspirations of present and future generations.”

单选题What was the primary consideration in the Florida judge’s ruling?AThe biological link.BThe child’s benefits.CThe traditional practice.DThe parents’ feelings.

单选题A number of biological sewage treatment plants are in use at sea but nearly all work on what is called the extended aeration processBasically the consists of oxygenating the liquor by bubbling air through itAccording to the above two sentences, the word "this" means ().Aa sewage treatment plantBthe extended aeration processCthe liquorDthe bubbling air

填空题Conservationists are trying to save primary forests because they have much higher levels of biodiversity.____

名词解释题生物多态性 (biodiversity)

问答题Practice 2  (1) In order to communicate thoughts and feelings, there must be a conventional system of signs or symbols which mean the same to the sender and the receiver. The means of sending communications are too numerous and varied for systematic classification. Therefore, the analysis must begin with the means of receiving communication. (2) Reception of communication is achieved by our senses.

名词解释题genetic diversity