TVs are more useful than radios. From TV you can see and hear what is happening in the world. However, radios are not disappearing. They are still with us. And the number of listeners is becoming larger. Do you know why?
One reason for this is the invention of the transistor. A transistor radio can be very small. It is very easy to be carried. Besides, radio broadcasts are better for blind people. Many old people dont have good eyesight. They cant watch TV, but can listen to music or news over the radio. Whats more, a radio is cheaper than a TV set.
高中英语词汇高一上词汇单元(03版) Unit06
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高一下学期词汇解析Unit18 New Zealand
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高一上学期词汇解析Unit4 Unforgettable experiences
初三版:Keep 用法解读
初三版:Like 用法聚焦
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