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Continuous traffic:
Wide provided suitable for busy trunk, also can be laid in tunnel and station floor maintenance difficulties, stone or soil subgrade are laid, but the mud pumping in the diseases of roadbed must be laid on the roadbed diseases after renovation. The main advantages of the wide sleeper circuit are: the suborbital sinking is small. The vibration acceleration is smaller than the concrete sleeper line, which gradually slows down and stops after laying. So the line maintenance work is greatly reduced, about a third of the general concrete sleeper line. The track is easy to keep clean. Dirt is not easy to break into the bed and prolong the repair cycle of the route. The line is smooth and stable, which is conducive to high-speed operation and the laying of seamless circuit. The disadvantage is that the cost is higher, and it is more difficult to change the shop on the busy trunk line
Originally the word was an abbreviation of, and synonymous to, popular music, but developed around 1954 expressing a specific musical category. The stylistic origins of pop music is folk,jazz,R&B,rock and roll,traditional pop music.The typical instruments are guitar,bass guitar,drum kit and keyboard.The cultural origins go as far back to 1950's in the United States.It is popular worldwide since 1960s.
With the development of modern information technology and the introduction of new curriculum reform, English teaching introduces modern information technology such as multimedia and Internet. At present, more and more English teachers begin to use modern information technology to the set of features such as vividness, objective, comprehensive and practical for a teaching method to assist English teaching, for students to create a new, diversified, the original English language learning environment, so that the students as much as possible from different channels, in a different way of learning and using English, arouse students' interest in learning, mobilize the enthusiasm and initiative of learning, to fully embody the characteristics of the English teaching, also for improving the English classroom teaching, improve teaching efficiency there is extremely significant. Therefore, the application of modern information technology is the need of curriculum reform and conforms to the cognitive law. In the course of high school English teaching, the author tries to use modern information technology to teach English, and has achieved certain results
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