Tài liệu Đọc tiếng Anh 3 EHOU
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Tài liệu Đọc tiếng Anh 3 EHOU
Many young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beli Tài liệu Đọc tiếng Anh 3 EHOU ieve the gang structure is one of the most ancient forms of human organization. Gangs are often associated with criminal activities.Street gangs tend to be populated with young people from low income or impoverished homes. In contrast, organized crime gangs such as the Italian-American Mafia usually Tài liệu Đọc tiếng Anh 3 EHOU occupy the middle or upper class stratum of society.Gangs usually take over a territory in a city or suburb. They call this territory their "turf." OTài liệu Đọc tiếng Anh 3 EHOU
ne common criminal activity on their turf is "providing protection." This is a common style of extortion in which a gang provides protection from its Many young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beli Tài liệu Đọc tiếng Anh 3 EHOU he best answer.The first two decades of this century were dominated by the microbe hunters. These hunters had tracked down one after another of the microbes responsible for the most dreaded scourges of many centuries: tuberculosis, cholera, diphtheria. But there remained some terrible diseases for w Tài liệu Đọc tiếng Anh 3 EHOU hich no microbe could be incriminated: scurvy, pellagra, rickets, beriberi. Then it was discovered that these diseases were caused by the lack of vitaTài liệu Đọc tiếng Anh 3 EHOU
mins, a trace substance in the diet. The diseases could be prevented or cured by consuming foods that contained the vitamins. And so in the decades ofMany young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beli Tài liệu Đọc tiếng Anh 3 EHOU to learn why each of the vitamins was essential for health. They discovered that key enzymes in metabolism depend on one or another of the vitamins as coenzymes to perform the chemistry that provides cells with energy for growth and function. Now, these enzyme hunters occupied center stage.You are a Tài liệu Đọc tiếng Anh 3 EHOU ware that the enzyme hunters have been replaced by a new breed of hunters who are tracking genes-the blueprints for each of the enzymes-and are discovTài liệu Đọc tiếng Anh 3 EHOU
ering the defective genes that cause inherited diseases-diabetes, cystic fibrosis. These gene hunters, or genetic engineers, use recombinant DNA technMany young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beli Tài liệu Đọc tiếng Anh 3 EHOU cines for medicine and for better crops for agriculture. Biotechnology has become a multibillion-dollar industry.In view of the inexorable progress in science, we can expect that the gene hunters will be replaced in the spotlight. When and by whom? Which kind of hunter will dominate the scene in the Tài liệu Đọc tiếng Anh 3 EHOU last decade of our waning century and in the early decades of the next? I wonder whether the hunters who will occupy the spotlight will be neurobioloTài liệu Đọc tiếng Anh 3 EHOU
gists who apply the techniques of the enzyme and gene hunters to the functions of the brain. What to call them? The head hunters. I will return to theMany young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beli Tài liệu Đọc tiếng Anh 3 EHOU odern medical researchd.The microbe huntersAccording to the passage, what did the United States supply to European cities?Chọn một câu trà lời:a.Moneyb.Machine toolsc.Agricultural produced.Raw materialsScurvy was considered to be caused by the lack of vitamins.Chọn một câu trà lòi:a.NGb.TC.F1Quessti Tài liệu Đọc tiếng Anh 3 EHOU on: Helen Sirdnger is the Head Nurse.a.TRUEb.NOT GIVENc.FALSEMany young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beliMany young people from disadvantaged social classes join gangs. Gangs are groups of individuals who share a common identity. Some anthropologists beliGọi ngay
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