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一般而言，运营支撑系统包括两部分的内容:_和_。

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逻辑信道可以分为_信道和_信道。

A Speech-- Better Lives for All
In today' s society, working people can seldom find time to relax in their busy schedules.They often work over time because of too much work waiting in queue, which ends up causing a lot of physical and mental problems.Fortunately, more and more people are now aware that relaxation and stress-relief are necessary for life.One' s health should never be sacrificed for a need to work hard.Indeed, finding time to relax makes people work more efficiently
Many people plan trips to spend their free time traveling with their loved ones.This may have been a luxury in the past, but it has become more common in recent years.Travel ing at home and abroad has now become convenient and affordable
Going jogging and going to the gym after work have also become more popular, as they are rather convenient ways to exereise and stay fit.Exercising he lps relax your body and has been shown to relieve mental stress as well.This demand for recreation and lei sure service has al so st imulated the economy.as new businesses are created to meet these needs
in sum, working hard is important, hut having a good qunlity of life can actually facilitate your success at work, Knowing when and how to relax should be a part of well-balanced lifestyles.Take a walk outdoors, visit the gym, or go jogging You will find that your time was not wasted, even if it was not spent working in your office.(判断正误)
26.In today' s society, working people can often find time to relax themselves in their busy schedules.()
27.Few people are now aware that relaxation and stress-relief are necessary for life.()
28.Traveling has become more common in recent years.()
29.Exercising can only help relax your body.()
30.People should keep a balance between work and relaxation.()

1.You need a special motorcycle for a speedway race.()
2.Speedway races are held on the road.()
3.Speedway races were held in Austral ia before they were held in Britain.()
4.Jack Hill--Bailey organized the first races by himself.()

26.The statue was given to the museum in 1969.()
27.There were no witnesses to the crime ()
28.The statue was made by Helen Payne ()
29.The burglars entered the museum froin the door at the back of the building()
30.Because the statue was easy to recognize, it would be easy to sell()