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Because short messaging service is a kind of data communication, second generati
Because short messaging service is a kind of data communication, second generati
游客
2023-08-30
26
管理
问题
Because short messaging service is a kind of data communication, second generation wireless cannot support it. [br] One of the great drawbacks of cellular networks is its expensive implementing cost.
选项
答案
NG。
解析
由题干中的cellular networks定位到第一个小标题下第二段,再由drawbacks定位到到该段第四、五句 Some of the disadvantages include...to support those higher data rates。题干中drawbacks与原文中disadvantages同义;题干指出expensive implementing cost是cellular net- works的缺点,但是在本段文字中所提到的缺点如singular point of failure, no lead balancing, spectral inefficiencies等等,并没有提及蜂窝网在铺设过程中的费用问题。所以判定该题为NG。
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