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Vocabulary selection for training purposes is one of the most significant and difficult factors because the program developer has to select the set of words relevant for the aims of the course. Selected vocabulary should ensure the development of speech abilities and skills within certain number of academic hours. Internationalism are helpful for demonstrating and testing pronunciation rules in the language since it is always a pleasure for a trainee to work on pronunciation words that he understands. We can use t...

Oil composition at the late stage of field development is determined by both natural and anthropogenic factors. Change in compositi on and physical-and-chemical properties of oil could be considered significant in several ways. This is due to both changes in the interaction of oil and injected agents, and involvement of the reserves not yet developed. The most sensitive, quickly a nd accurately determined parameters are optical characteristics of oil, and namely the coefficient of light absorption. It depends on t...