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However, a long-time use of the computer, it will be our eyes gradually decreased visual becomes worse, and this is a very common problem, and the radiation can also be computers to our physical harm. However, our daily lives, and it cannot do without it. ...
【3】A根据下句The brighter the screen the higher the radiation there will be and vice versa.说明屏幕的亮度也是影响人们视力的原因,那么就要调整屏幕的亮度。故A项正确。 【4】B根据下一句Wash your face soon after using the computer在用完电脑以后要洗脸。那么之前也要采取措施,选项中只有B项是与之有关...
Its radio begins to transmit an astonishing amount of information about the satellite's orbital path, the amount of radiation it detects, and the presence of meteorites. Information of all kinds races back to the earth.No human being could possibly copy down all these facts, much less remember...
Changes in Beijing I'm Kangkang. For this report I have interviewed my grand-mother. She has lived in Beijing for more than forty years. She has seen the changes in Beijing herself. In the 1960s, the living conditions in the city were poor...
increase our exposure(接触)to computers and the radiation(辐射) from them could do harm to the human body, especially our eyes. Also sitting in front of a computer for a long time without exercising can be harmful to our health.【小题1】How many students support online learning?A.One....
Nor is electronic multitasking entirely new: We’ve been driving while listening to car radios since they became popular in the 1930s. But there is no doubt that multitasking has reached a kind of warp speed in the era of Web-enabled computers, when it has become routine to conduct several...
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