阅读理解根据以下材料，回答下列问题
阅读理解根据以下材料，回答题
The Internetbegan in the 1960s as a small network of academic and government computersprimarily involved in research for the military
阅读理解A
When teaching handwriting, one difficulty is teaching the left-handed child
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阅读理解C
Most people feel lonely sometimes, but it usually only lasts between a few minutes and a few hours
阅读理解Guinea pigs are intelligent and quiet animals
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People from EastAsia tend to have more difficulty than those from Europe in distinguishingfacial expressions
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阅读理解B
Bicycle sharing systems are also known as yellow bicycle programs, white bicycle programs, publicbikes or free bikes
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阅读理解In recent years, we have all watched the increasing commercialization of the campus
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