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提问人:网友taolin 发布时间:2022-01-07
[主观题]

A membership list of 720 people shows that 36 have first and last names that begin with th

e same letter. If a person is selected at random, what is the probability that his or her first and last name does NOT begin with the same letter?

A.0.05

B.0.25

C.0.50

D.0.75

E.0.95

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更多“A membership list of 720 people shows that 36 have first and last names that begin with th”相关的问题
第1题

Most people dont leave their front door unlocked, and the same is true of their home Wi-Fi networks. But some believe that preventing access to your wireless Internet actually does more harm than good. Peter Eckersley of the Electronic Frontier Foundation, an organisation devoted to defending digital rights, is calling for an "Open Wireless Movement" and encouraging people to be "socially responsible" by sharing their connection. Eckersley compares the current situation of locked-down networks to "finding yourself parched(干透的)and thirsty while everyone around you is sipping from nice tall glasses of iced water", and offers a technological solution. We restrict access to our networks for two reasons: to prevent other people from using up our bandwidth, and to ensure our security and privacy. He suggests we can still protect ourselves from both problems by using routers(路由器)that share a certain amount of bandwidth in the open while also providing an encrypted(加密的)connection for personal use, but such technology already exists, and people arent choosing to use it. Perhaps the problem is not technological, but legal, as home users dont want to be responsible for the activities of others on their network. Quite understandable, really. But Eckersley says that "individuals can enjoy the same legal protections against liability as any other Internet access provider", but the law is far from clear in this area and differs from country to country. In a footnote on his article, Eckersley says US law "may" offer protection, but that didnt prevent a man who left his network open from being called a paedophile(恋童癖者)by armed police in his living room this past weekend. Courts in Germany have previously ruled that people can be fined if they allow unauthorised users to access illegal materials through their connection, while in the UK disputes over recent changes to the law leave the matter uncertain. Perhaps these legal concerns can be overcome by turning to an unlikely role-model — Estonia, where access to the Internet is a legal human right. The country is blanketed in a network of free Wi-Fi access points in cafes, bars and other public locations, allowing people to easily get online almost anywhere. So who wants to open up their network first?

What does the author say about the Electronic Frontier Foundation?

A.It encourages people to share their networks.

B.Its work is about protecting digital rights.

C.It is advocating an "Open Wireless Movement".

D.Its main business is trading electronics.

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第2题

Passage 1 For most people learning to drive, the driving test arises ahead as a major barrier. It is also a general source of conversation whenever drivers are gathered together. There are probably more tall stories about the driving test than about any other motoring subjects; the most remarkable thing about those stories is the number of times the old ones appear again, years after they were first heard, in new and exaggerated forms. All driving examiners have had to pass a very strict selection process, followed by at least six weeks’ training. In the course of this training the Department makes sure that their driving is of a consistently high standard. Driving test centers are chosen with equal care. It would be nice to have centers and examiners town by town. But this is just not possible, because the centers have to be at places where there is enough parking space for candidates (考生) and where there are enough test routes. Routes are carefully chosen to make sure that they are all roughly comparable—the proportion of right and left turns, hills, pedestrian (行人) crossings and so on. The object of all this is to make sure, as far as possible, that all candidates in the driving test have to cope with the same sort of conditions whether they take the test in New York or California. The work that examiners do in actually carrying out tests is checked continuously by supervising examiners. This is to make as sure as possible that every candidate for the driving test has a proper and equal chance of showing the examiner, in the words of the Regulations, “that he is competent to drive without danger to and with due consideration for other users of the road.” This is all that the examiner is concerned with. 22. According to the passage, driving examiners _______. A. are trained for six weeks, then have a difficult selection interview B. are given regular driving tests themselves by supervising examiners C. sometimes have more than six weeks’ training D. are tested during the selection process to see if their driving is of a high standard

A、A

B、B

C、C

D、D

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第3题
The integer n is a multiple of both 5 and Which of the following is (are) true? I. n is odd. II. n=III. n is a multiple of 15.

A.III only

B.I and II only

C.I and III only

D.II and III only

E.I, II, and III

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第4题
If the assets of a stock drop by $4.03 billion to $74.02 billion, what was the percent decrease in the stock's assets?

A.0.4

B.4.0

C.5.0

D.25.0

E.40.0

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第5题
If in 1984 there were 2,000,000 eleventh-graders, and if between 1984 and 1996 the number of eleventh-graders increased by 10%, then approximately how many more eleventh-graders watched 1 hour or less of television in 1996 than in 1984?

A.25,000

B.50,000

C.75,000

D.100,000 (g) 150,000

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