分析 本文主要講述了奧巴馬提出使用指紋識別技術來控制槍支,作者在本文中對于這一做法提出自己的觀點,認為這一建議并不實用.
解答 67.B 推理判斷題.根據第二段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.如果指紋識別技術有時候會失靈,要多次嘗試,不會給人帶來生命危險.但是如果控制槍支的識別技巧出現了問題,就會導致人們死亡.可知作者認為通過指紋智能控制槍支的做法并不現實.故B正確.
68.C 詞義猜測題.根據劃線詞后一句Often it takes a user two or three tries to log in; occasionally,it falls asleep deeply and obeys the password.有時候手機用戶會多次嘗試指紋識別才能使用手機,有時候手機還會死機,需要使用密碼開機.也就是說指紋識別的方法有難以預測的問題.所以該詞指C項含義.
69.D 寫作手法題.作者在第二段中把指紋識別使用手機的方法與控制槍支的進行對比和比較,提出奧巴馬的建議并不實用.故D正確.
70.A 細節理解題.根據第二段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項說法正確.根據第二段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項正確;根據倒數第二段In 1993,gun crime was more than twice as common as it is now,and there were fewer guns in circulation.可知B項正確;根據最后一句But selling fantasies to the ignorant is not going to cut it.可知不要把槍賣給那些對于使用槍支無知的人是控槍很重要的方法,這也是很多人都知道的.故A項說法錯誤.
點評 本文是一個人生感悟類閱讀理解,題目涉及多道細節理解題,做題時結合原文和題目有針對性的找出相關語句進行仔細分析,結合選項選出正確答案.推理判斷題也是要在抓住關鍵句子的基礎上合理的分析才能得出正確答案,切忌胡亂猜測,一定要做到有理有據.
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