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同步时序逻辑电路和异步时序逻辑电路相比较，其差异在于后者（ ）
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和其它ADC相比，双积分型ADC的转换速度（ ）
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Task 1 Read the passage. Write T (true) or F (false) for the statements.City life and country lifeAn increasing number of people around the world are moving from the country to the city. It’s said that by the year 2050, up to 85 percent of the world’s population will be living in cities. So what are the pros and cons of city life and country life?Cities provide many more opportunities. There are more jobs available, an more educational and entertainment opportunities too. Public transportation is also good.On the other hand, there are several disadvantages to life in the city. Although there are more jobs, there is also more competition for those jobs. The cost of living is higher, and cities can be crowded and polluted too. Finally，you are much more likely to be the victim of crime in the city.In the country, you can expect a peaceful life with privacy and safety. Besides， the air is cleaner and you will feel closer to nature. There’s a stronger feeling of community too.However, country life has its disadvantages too. There are fewer educational and entertainment opportunities. And it’s harder to get good health care in the country.In conclusion, both city life and country life have their advantages and disadvantages. You should live in the place that best suits your lifestyle.++++++++++++++++++++++++++++++++++++++++++++++++++++1.More people are moving to cities.2.It’s said that up to 85 percent of the world’s population will be living in the country by 2050.3.The cost of living in the city is higher than that in the country.4.Pollution is less of a problem in the country.5.Crime is more common in the country.
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