更多"[单选题]Those are probably the?curtain"的相关试题:
[单选题]We shall probably never be able to（ ）the exact nature of these sub‐atomic particles.
A.assert
B.impart
C.ascertain
D.notify
[单选题]those books do you want
A.What are
B.Which of
C.Which are
D.What
[Part III Reading Comprehension]
What do we learn about those who have been unemployed for a long time?
A.They stop looking for work due to the loss Of identity .
B.unemployment benefits can lift up their spirits.
C.They may die earlier than those With jobs.
D.Retirement can make them happier .
[单选题]Public goods are those commodities from whose enjoyment nobody can be effectively excluded.Everybody is free to enjoy the benefits of these commodities,and one person′s utilization does not?reduce the possibilities of anybody else′s enjoying the same good.
Examples of public goods are not as rare as one might expect.A flood control dam is a public?goods.Once the dam is built,all persons living in the area will benefit--irrespective of their own?contribution to the construction cost of the dam.The same holds tree for highway signs or aids to navigation.Once a lighthouse is built,no ship of any nationality can be effectively excluded from the utilization?of the lighthouse for navigational purposes.National defense is another example.Even a person who voted?against military expenditures or did not pay any taxes will benefit from the protection afforded.
It is no easy task to determine the social costs and social benefits associated with public goods.There is no practicable way of charging drivers for looking at highway signs,sailors for watching a?lighthouse,and citizens for the security provided to them through national defense.Because the market does not provide the necessary signals,economic analysis has to be substituted for the impersonal?judgement of the marketplace.
Which of the following statements best describes the organization of the first two paragraphs?
A.Suggestions for the application of an economic concept are offered.
B.Several generalizations are presented from which various conclusions are drawn.
C.Persuasive language is used to argue against a popular idea.
D.A general concept is defined and then examples are given.
[单选题]Think of those fleeting moments when you look out of an aeroplane window and realise that you are flying,higher than a bird.Now think of your laptop,thinner than a brown-paper envelope,or your cellphone in the palm of your hand.Take a moment or two to wonder at those marvels.You are the lucky inheritor of a dream come true.The second half of the 20th century saw a collection of geniuses,warriors,entrepreneurs and visionaries labour to create a fabulous machine that could function as a typewriter and printing press,studio and theatre,paintbrush and gallery,piano and radio,the mail as well as the mail carrier.（41）The networked computer is an amazing device,the first media machine that serves as the mode of production,means of distribution,site of reception,and place of praise and critique.The computer is the 21st century's culture machine.But for all the reasons there are to celebrate the computer,we must also tread with caution.（42）I call it a secret war for two reasons.First,most people do not realise that there are strong commercial agendas at work to keep them in passive consumption mode.Second,the majority of people who use networked computers to upload are not even aware of the significance of what they are doing.All animals download,but only a few upload.Beavers build dams and birds make nests.Yet for the most part,the animal kingdom moves through the world downloading.Humans are unique in their capacity to not only make tools but then turn around and use them to create superfluous material goods-paintings,sculpture and architecture-and superfluous experiences-music,literature,religion and philosophy.（43）For all the possibilities of our new culture machines,most people are still stuck in download mode.Even after the advent of widespread social media,a pyramid of production remains,with a small number of people uploading material,a slightly larger group commenting on or modifying that content,and a huge percentage remaining content to just consume.（44）Television is a one-way tap flowing into our homes.The hardest task that television asks of anyone is to turn the power off after he has turned it on.（45）What counts as meaningful uploading?My definition revolves around the concept of"stickiness"-creations and experiences to which others adhere.
A.Of course,it is precisely these superfluous things that define human culture and ultimately what it is to be human.Downloading and consuming culture requires great skills,but failing to move beyond downloading is to strip oneself of a defining constit
A.A
B.B
C.C
D.D
[单选题]Those planes are( )for charter.
A.available
B.useful
C.handful
D.helpful
[单选题]We don’t know what experiment those researchers would ______ on females to test this hypothesis
A.apply
B.carry
C.deliver
D.perform
[单选题]--Which of those electronic dictionaries do you like most?
-- __________. They are both expensive and of little use.
A.None
B.Neither
C.All
D.Both
