18."If we can set it up so you can't unlock your phone unless you've got the right fingerprint(指紋),"Barack Obama asked last Tuesday,"why can't we do the same thing for our guns?"For this reasonable-sounding question,the president was applauded throughout the media.
As it happens,though,there is a good answer to this question:there is no market for guns that work just some of the time.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.As President Obama well knows,the fingerprint software on his phone works rather erratically: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.There is a reason that modern smartphones put the camera function outside of the authentication(認(rèn)證) process.
How could we possibly think that guns are the same as other commercial products?It is true that,say,cars have become considerably safer over the last few decades; true,too,that"research"has contributed to this improvement.But it matters enormously that a car is not intended to hurt people,and that in a perfect world nobody would ever be injured by one.Can we say the same of guns?Of course not.Guns are killing machines,designed explicitly to do damage to living things.In fact,they have no other purpose.As such,the salient question before any free people is not"are guns dangerous?",they are,but"who gets them,and why?"
This is not to say that nothing at all can be done to improve public safety.On an individual level,gun owners should do everything to ensure that their guns are kept away from children,and,where possible,they should train themselves in case they are ever called upon to shoot in anger.At the national level,the combination of better policing and economic growth can help to reduce crime-and,indeed,it has.In 1993,gun crime was more than twice as common as it is now,and there were many fewer guns in circulation.Ugly as it is in its own right,that we have reached the point at which two-thirds of all guns-related deaths are deliberately self-inflicted is a small victory.
How to address those deaths that remain?That is a tricky one.I do not know the answer,and nor,frankly,does anybody else.But selling fantasies to the ignorant is not going to cut it.
67.What does the writer mainly argue in this passage?B
A.Gun crime has been greatly reduced.
B.The idea of smart guns is not realistic.
C.Gun control will not succeed in America.
D.Guns-related deaths deserve public attention.
68The underlined word"erratically"in Paragraph 2probably meansC.
A.with effectiveness 
B.with passion and energy
C.in an unpredictable manner
D.in a reasonable and fair way
69.The writer supports his ideas in Paragraphs 2and 3mainly byD.
A.a(chǎn)nalyzing statistics
B.presenting problems and solutions
C.quoting the authorities
D.making comparisons and contrasts
70.Which of the following might the writer NOT agree with?A
A.Few know how to deal with guns-related deaths.
B.Efforts to improve public safety have partly paid off.
C.The nature of guns distinguishes them from other products.
D.Guns using fingerprint software can risk the lives of the users.

分析 本文主要講述了奧巴馬提出使用指紋識(shí)別技術(shù)來(lái)控制槍支,作者在本文中對(duì)于這一做法提出自己的觀點(diǎn),認(rèn)為這一建議并不實(shí)用.

解答 67.B 推理判斷題.根據(jù)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(shí)別技術(shù)有時(shí)候會(huì)失靈,要多次嘗試,不會(huì)給人帶來(lái)生命危險(xiǎn).但是如果控制槍支的識(shí)別技巧出現(xiàn)了問(wèn)題,就會(huì)導(dǎo)致人們死亡.可知作者認(rèn)為通過(guò)指紋智能控制槍支的做法并不現(xiàn)實(shí).故B正確.
68.C 詞義猜測(cè)題.根據(jù)劃線(xiàn)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(shí)候手機(jī)用戶(hù)會(huì)多次嘗試指紋識(shí)別才能使用手機(jī),有時(shí)候手機(jī)還會(huì)死機(jī),需要使用密碼開(kāi)機(jī).也就是說(shuō)指紋識(shí)別的方法有難以預(yù)測(cè)的問(wèn)題.所以該詞指C項(xiàng)含義.
69.D 寫(xiě)作手法題.作者在第二段中把指紋識(shí)別使用手機(jī)的方法與控制槍支的進(jìn)行對(duì)比和比較,提出奧巴馬的建議并不實(shí)用.故D正確.
70.A 細(xì)節(jié)理解題.根據(jù)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(xiàng)說(shuō)法正確.根據(jù)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(xiàng)正確;根據(jù)倒數(shù)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(xiàng)正確;根據(jù)最后一句But selling fantasies to the ignorant is not going to cut it.可知不要把槍賣(mài)給那些對(duì)于使用槍支無(wú)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(xiàng)說(shuō)法錯(cuò)誤.

點(diǎn)評(píng) 本文是一個(gè)人生感悟類(lèi)閱讀理解,題目涉及多道細(xì)節(jié)理解題,做題時(shí)結(jié)合原文和題目有針對(duì)性的找出相關(guān)語(yǔ)句進(jìn)行仔細(xì)分析,結(jié)合選項(xiàng)選出正確答案.推理判斷題也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確答案,切忌胡亂猜測(cè),一定要做到有理有據(jù).

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