2021衡水金卷信息二数学

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B【语篇导读】本文是一篇说明文。文章讲述的是4G向5G的转变。5G会给人们带来更多的好处,使人们的生活更加舒适。4.B【解析】细节理解题。根据第四段中的PvotWilliam Webb has warned that the technology could be acase of the emperor's new clothes. Much of the speedincrease. he claims, could have been achieved byputting more money in the 4G network, rather than a newtechnology.可知,Prof. William Webb说“这项技术可能是皇帝新衣的一个例子”,是因为他更愿意把更多的钱花在4G网络上。故正确答案为B。5.C【解析】词义猜测题。根据第四段中的oherdifferent voices have suggested that a focus on rolling outwider rural broadband access and addressing currentnetwork coverage would be more beneficial to the UK asa whole.其他不同的声音表示,集中精力推广更广泛的农村宽带接入,解决目前的网络覆盖问题,将对整个英国更有利。由此可知,画线词的意思应是“试图解决”。故正确答案为C6.A【解析】推理判断题。根据最后一段中的Withthe slow pace of network rollout so far, it is likely thatconsumers will end up upgrading to a new 5G phone wellbefore 5G becomes widely available in the next couple ofyears.可知,最后一段指出,让5G在英国向公众开放需要几年的时间。故正确答案为A。7.D【解析】推理判断题。根据第二段中的5 G willoffer faster internet access with Ofco(英国通讯管理M])suggesting that video that takes a minute to downloadon4 g will be available in just a second.可知,5的应用将使生活变得更容易。故正确答案为D。,更多内容，请微信搜索关注。