分析 本文主要讲述了奥巴马提出使用指纹识别技术来控制枪支,作者在本文中对于这一做法提出自己的观点,认为这一建议并不实用.
解答 67.B 推理判断题.根据第二段Often it takes a user two or three tries to log in; occasionally,it falls asleep deeply and obeys the password.When this happens on an phone,the user is mildly inconvenienced.If this were to happen on a gun,the user would be dead.如果指纹识别技术有时候会失灵,要多次尝试,不会给人带来生命危险.但是如果控制枪支的识别技巧出现了问题,就会导致人们死亡.可知作者认为通过指纹智能控制枪支的做法并不现实.故B正确.
68.C 词义猜测题.根据划线词后一句Often it takes a user two or three tries to log in; occasionally,it falls asleep deeply and obeys the password.有时候手机用户会多次尝试指纹识别才能使用手机,有时候手机还会死机,需要使用密码开机.也就是说指纹识别的方法有难以预测的问题.所以该词指C项含义.
69.D 写作手法题.作者在第二段中把指纹识别使用手机的方法与控制枪支的进行对比和比较,提出奥巴马的建议并不实用.故D正确.
70.A 细节理解题.根据第二段Guns are simple things designed to operate as easily and reliably as possible.The introduction of electronics eats away this simplicity,and to a degree that is absolutely unacceptable to the consumer.可知C项说法正确.根据第二段When this happens on an phone,the user is mildly inconvenienced.If this were to happen on a gun,the user would be dead可知D项正确;根据倒数第二段In 1993,gun crime was more than twice as common as it is now,and there were fewer guns in circulation.可知B项正确;根据最后一句But selling fantasies to the ignorant is not going to cut it.可知不要把枪卖给那些对于使用枪支无知的人是控枪很重要的方法,这也是很多人都知道的.故A项说法错误.
点评 本文是一个人生感悟类阅读理解,题目涉及多道细节理解题,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案,切忌胡乱猜测,一定要做到有理有据.
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