【单选题】
   ·Read the article below about monopoly. 
   ·Choose the correct word to fill each gap fromA,B.C、or 
D、
   ·For each question(21-30).mark one letterA,B,C、orD、on yourAnswer Sheet.
D、vAlign=top width="100%">Monopolv is one  points the peculiar{{U}}  (21)  {{/U}}.which can affect the sale and purchase of certain commodities.In some markets,there may be only one seller or a {{U}} (22)  {{/U}}.of sellers working very closely together to control prices.The result of such monopolistic activitv is to fix prices at a level{{U}}  (23)  {{/U}}to the seller,a level which may bring him artificially high profits.Many governments dislike this procedure and have taken legal actions to{{U}}  (24)  {{/U}}.or halt such business activities.In the U.S.anti-trust laws operate to limit cartels and mergers.{{U}}  (25)  {{/U}}inBritain the MonopoliesCommission examines all special arrangements and mergers referred to them by theBoard of Trade. 
   This type of monopoly is not the only{{U}}  (26)  {{/U}},however.There are three other forms:state,legal and natural.State monopolies are quite common nowadays,where the{{U}}  (27)  {{/U}}in a particular country control industries like steel and transport or important and prestigious revises like national airlines.Legal monopolies are rather different,because the law permits certain individuals to{{U}}  (28)  {{/U}}solely from their special inventions,discoveries or processes.Ne other person may infringe their rights in respect to{{U}}  (29)  {{/U}}monopolies. 
   Finally,natural monopoly{{U}}  (30)  {{/U}}where a nation or individual possesses most of a particular mineral for reasons of geography and geology. 
 A.possibility
B.appearance
C.authorities
D、reality
网考网参考答案:A
网考网解析:[精析] 通过“Theie are three other forms…”可推断出,此项上段的描述只是垄断中可能性之一,所以为A项。
                 
				 
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