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Police in the popular resort city Virginia Beach recently began operating video surveillance cameras with controversial face recognition technology. Virginia Beach and Tampa in Florida two cities in the United States acquired the technology, which cost th
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Police in the popular resort city Virginia Beach recently began operating video surveillance cameras with controversial face recognition technology. Virginia Beach and Tampa in Florida two cities in the United States acquired the technology, which cost them $ 197, 000.” “Before we switched it on, we went through an extensive public education process with hearings and the involvement of citizen groups and minority groups, who helped write the policies we are using, " said deputy police chief Greg Mullen. A citizens' auditing committee has the right to perform. unannounced spot checks on police headquarters to make sure the technology is not being misused.
Three of the city's 13 cameras are linked full time to the face recognition system, though the others can be activited as needed. The database of wanted people is updated every day. So far, the system has failed to produce a single arrest, though it has generated a few false alarms. It works by analyzing faces based on a series of measurements, such as the distance from the tip of the nose to the chin or the space between the eyes. Critics say it is highly inaccurate and can be easily fooled. Mullen, who sees the system eventually being linked to the databases of other city, state and federal law enforcement agencies to track criticals and suspected terrorists, said, "The system doesn't look at skin color or your hair or your gender. It takes human prejudices out of the equation. "
"This technology has little or no effect on the crime rate but it does have an effect on people's behavior. People feel cowed, " said Bruce Steinhardt, who directs the technology. Despite the fact that tests have shown faces recognition only works in around 30% cases, the ACLU is alarmed that the technology may soon spread to airports. The organization also fears it could potentially be used to monitor individual's political activities to harass law-abiding citizens.
" This kind of surveillance should be subject to the same procedures as wiretaps. Law enforcement agencies should justify why they need it and it should be tightly limited, otherwise it will soon become a tool of social control, " said Mihir Kshisagar of the Electronic Information Privacy Center. Nor does such criticism come exclusively from the political left. Lawyer John Whitehead, founder of the conservative Rutherford Institute, wrote in an editorial that the technology threatened the right of each U. S. citizen to participate in society. "After all, that is exactly what constant surveillance is—the ultimate implied threat of coercion, " he wrote.
What does Mullen's statement in Paragraph 1 indicate?
A．Police is confident in using the technology.
B．Police has made preparation for the use of the technology.
C．Citizens have rights over managing the technology.
D．Police has gone through public education process.
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更多“Police in the popular resort city Virginia Beach recently began operating video surveillance cameras with controversial face recognition technology. Virginia Beach and Tampa in Florida two cities in the United States acquired the technology, which cost th”相关问题
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第1题：
What is this passage mainly about?
A．Disadvantage of face recognition technology.
B．Purposes of face recognition technology.
C．Controversial face recognition technology.
D．Effect of face recognition technology.
正确答案：C
解析：文章讲述了警察局对这项技术非常谨慎，为监视摄像机的使用做了充分准备，但收效甚微。所以反对这项技术的人非常多。有人认为它是潜在的威胁，有人认为会侵犯守法公民，但马伦认为这个系统最终会和其他城市，其他州和联邦的执法部门连在一起跟踪罪犯和可疑的恐怖分子。所以说这项技术充满争议。因此选C。 -
第2题：
It was on the beach()Miss White found the kid lying dead.
A. that
B. it
C. which
参考答案：A
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第3题：
In the 1930s, the United States experienced the Great Depression which first began with the New York stock market crash.()
参考答案：正确
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第4题：
●(75) is the combination of computer and video technology.
(75)
A.Multimedia
B.Display
C.Communication
D.Internet
正确答案：A
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第5题：
There are two small rooms in the beach house,__________serves as a kitchen.A.the smaller of which
B.a smaller of which
C.the smaller of them
D.smaller of that答案：A解析：考查非限制性定语从句和冠词用法。句意为“在海滩度假屋里有两间小房子，其中较小的那间充当厨房”。首先，后半句是一个非限制性定语从句，只能用which引导；其次，表示两者中比较小的那个是特指，用定冠词the修饰，即“the smaller ofthe two…”。故选A。
名师如何巧解题？查看视频解析>> -
第6题：
After 1850,various states in the United States began to pass compulsory school attendance laws.A:harsh
B:diversified
C:mandatory
D:complicated答案：C解析：本句意思：1850年之后，美国的许多州开始通过义务教育法。compulsory意思是“强制的，义务的”，与mandatory（强制的）意思相近。harsh艰苦的，严酷的；diversified多种多样的，多元的；complicated复杂的，难懂的。 -
第7题：
Of the fifty states，the smallest state in America is( )A.Rhode Island
B.Virginia
C.Texas
D.Montana答案：A解析：考查美国所属州。美国由50个州和一个联邦特区以及外海领地组成，其中涉及各州的面积，面积最小的是罗得岛，最大的是阿拉斯加州。B项“弗吉尼亚”，C项“得克萨斯州”和D项“蒙大拿州”均不符合题意。 -
第8题：
单选题Jessica’s office in the Florida Keys is close to the beach.ARight.
BWrong.
CDoesn’t say.
正确答案： B解析：
由第一段最后一句可知，从她的办公室走到白色多沙的海滩距离很近。因此题句是正确的。 -
第9题：
多选题The American Civil War began after the Confederate States of America seceded from the Union, in essence dividing the United States into two ______ countries.Aconcordant
Ballied
Cdistinct
Ddiscrete
Eunited
Fbanded
正确答案： D,B解析：
美国内战是为了阻止美利坚合众国的分裂，选项中只有C、D两项暗含“分裂”的含义。A和谐的，协调一致的；B联合的，同盟的；E团结的，统一的；F有条纹的。句意是，“美利坚联盟国从联邦的脱离实质上是要把美利坚合众国分裂成两个独立的国家，由此引发了美国内战。” -
第10题：
单选题The modern Internet, first established in the mid-1980s, is based on the technology developed for the ARPANET, it was created by the United States Department of Defense in the 1960s.AARPANET, it was created by the United States Department of Defense
BARPANET; it was created by the United States Department of Defense
CARPANET, which was created by the United States Department of Defense
DARPANET, being created by the United States Department of Defense
EARPANET; the United States Department of Defense created it
正确答案： E解析：
原句仅用一个逗号将两个独立的句子连接起来。B虽纠正了这个错误，但是不符合逻辑。E也使用了指代模糊的it。D不符合逻辑因为分词“being”将“the Internet”作为主语，是没有意义的。 -
第11题：
单选题From the beginning of this passage we know that.Amost of the American states were prohibited to take a rest
Bthe United States of America prohibited others from rest
Cthe United States of America prohibited alcohol sales
Dmost states in the country began to allow alcohol sales
正确答案： B解析：
细节题。第一段第一句提到“…much of the United States of America put Prohibition to rest 73 years ago…”。put…to rest为固定搭配，意为“使…中止”。该句中Prohibition指“禁酒令”，由此可知该句指“73年前美国许多地方就中止了《禁酒令》…”。言外之意就是美国许多州在那时就被允许售酒了，因此选项D为正确答案。 -
第12题：
问答题Practice 3 The United States is a federal union of 50 states. The District of Columbia is the seat of the national government. The Constitution outlines the structure of the national government and specifies its powers and activities. Other governmental activities are the responsibilities of the individual states, which have their own constitutions and laws. Within each state are counties, townships, cities and villages, each of which has its own elective government. All government in the United States is “of, by and for the people”. Members of Congress, the President, state officials, and those who govern counties and cities are elected by popular vote. Heads of federal departments are named by the President, and judges are either elected directly by the people or are appointed by elected officials. Voting ballots are unsigned and marked by the voters in private booths so that no one else can find out for whom a citizen is voting. Public officials may be removed from office for failing to perform their duties properly as well as for serious violations of law.正确答案： 【参考译文】
美国是由50个州组成的联邦。哥伦比亚特区是全国政府的所在地。联邦宪法概括了全国政府的结构,并规定了其权力和职能。其他政府职能则由各个州来承担,各州都有自己的宪法和法律。州以下有县、镇、市、村,各有其民选政府。
美国的各级政府都是“民有、民治、民享”的政府。国会议员、总统、州政府官员以及县长、市长均由民众投票选举。联邦政府各部部长由总统任命,法官由人民直接选举,或者由选举出来的官员任命。选票不记名,由选民在隔离的投票站里圈出被选举人,这样就没有人会知道哪一个公民投了谁的票。严重违法以及不尽职守的政府官员可以被免职。解析： 暂无解析 -
第13题：
The author mentions the ports of Los Angeles and Long Beach to ______.
［A］prove they are the largest ports in the United States
［B］demonstrate they create many new job opportunities
［C］highlight that shipping is less glamorous than making movies
［D］emphasize the role of shipping in southern California's economy
正确答案：D
例句为原文第一段第二句，因此需要到前边段首句找线索，句子强调了航运业的重要性，具有一定概括性，因此以这两个港口作例子是具体说明这一点。D选项直接表述了这一点。A、B选项就事论事说明这两个港口的重要性，而不是它们所代表的行业整体的作用，因此应该排除。C选项与原文第一句观点相反。 -
第14题：
which of the following states refused to participate in the constitutional convention?
A. Rhode Island.
B. Maryland.
C. New York.
D. Virginia.
参考答案：A
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第15题：
9． Two__________ students in our school will go to the beach for holiday．
A．hundred
B．hundreds ．
C． hundred of
D． hundrAeds of
正确答案：A
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第16题：
The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach?
A.Surging
B.Spilling
C.Plunging
D.Converging
正确答案：B
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第17题：
It is generally agreed that the first true cities appeared about 5,000 years ago in the food-producing communities of the Middle East． The cities of Sumeria, Egypt and the Indus Valley possessed a number of characteristics that distinguished them as truly urban． The cities were very much larger and more densely populated than any previous settlement, and their function wasclearly differentiated from that of the surrounding villages． In the cities the old patterns of kinship relations were replaced by a complex hierarchy of social classes based on the specialization of
labor． Moreover, the need to keep records led to the development of writing and arithmetic, and the increased sophistication of urban society gave a new impetus to artistic expression of every kind．
When the basis of city life was established in Europe the urban tradition was drawn from the ancient cities of the Middle East, via the civilization of Greece and Rome． We can trace three main phases in the growth of the West European city． The first of these is the medieval phase which extends from the beginning of the 1 lth century A．D． to about 1,500 to the beginning of the 19th century． The third is the modern phase extending from the early 19th century to the present day．
Every medieval city began as a small settlement, which grew up round a geographical or cultural focal point． This would be a permanent structure such as a stronghold, a cathedral or a large church． In districts where travel and trade were well established, it might be a market, a river crossing, or a place where two or more trade routes met, in studies of urban geography the oldest part of town is referred to as the nuclear settlement． There are many small towns in Europe where it is still possible to trace the outline of the original nuclear settlement． It is, of course,
much more difficult to do this in the case if a large modern city which has grown to many times its original size．
?Which of the following would be the best title of the passage?A.The Origin and Development of Cities．
B.The Differences Between a Modern City and an Ancient City．
C.The Functions of a City．
D.The Characteristics of an Ancient City．答案：D解析：纵观全文可知本文通篇都在讲述古代城市的特点，因此D项“古代城市的特点”最适合作为本文的标题。故选D。 -
第18题：
After 1850,various states in the United States began to pass compulsory school attendance laws.A:harsh
B:diversified
C:mandatory
D: complicated答案：C解析：本句意思：在1850年之后，美国的许多州开始通过义务教育法。harsh的意思为“艰苦 的，严峻的”;diversified的意思为“多种多样的，多元的”;mandato汀的意思为“强制的”;compli- cated的意思为“复杂的，难懂的”。compulso汀的意思为“强制的，义务的”，和mandato叮的意 思接近。 -
第19题：
单选题CAN YOU BEACH means（）.Acan you go to the beach
Bcan you run the vessel upon a beach to prevent its sinking in deep water
Ccan you handle the vessel along the beach
Dcan berth along the beach
正确答案： D解析： 暂无解析 -
第20题：
单选题During large storms, when waves crash against the beach, large amounts of sand is suspended in the water and may drift with the current.Awaves crash against the beach, large amounts of sand is suspended
Bthe beach is crashed against by waves, large amounts of sand are suspended
Cthe beach is crashed against by waves suspending large amounts of sand
Dwaves crash against the beach, large amounts of sand are suspended
Ewaves crash against the beach, the suspending of large amounts of sand is
正确答案： C解析：
A项中的主谓不一致。B和C项错用了被动语态。E项改变了句子的意思。 -
第21题：
单选题_____ is the largest city and the chief port of the United States.AWashington D.C.
BLos Angeles
CSan Francisco
DNew York City
正确答案： A解析：
美国最大的城市是纽约，同时它也是最重要的经济中心和最主要的港口。 -
第22题：
单选题The United States Food and Drug Administration recently terminated a two-year moratorium （延期偿付） on the promotion of prescription drugs.Aended
Bdetermined
Cpostponed
Devaluated
正确答案： C解析：
句意：美国食品和药物管理局最近终止了对处方药的推广为期两年的延期偿付。end结束，终止。determine决定。postpone推迟。evaluate评价。 -
第23题：
单选题The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach? （）ASurging
BSpilling
CPlunging
DConverging
正确答案： A解析： 暂无解析