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

Which of the following most closely parallels the situation described in the first sentence of the text?

From the passage, one can assume that which of the following statements would best describe Hemingway’s attitude toward knowledge?

public class Person {  private name；  public Person（String name） {  this.name = name；  }  public int hashCode（） {  return 420；  }  }  Which is true？（）

Passage 2　　Public goods are those commodities from whose enjoyment nobody can be 1 excluded. Everybody is free to  2 the benefits of these commodities, and one person’s utilization  3 the possibilities of  4 enjoying  5 .　　Examples of public goods are not  6 one might expect. A flood control dam is public goods. Once the dam is built,  7 living in the area will benefit  8 their own contribution  9 the construction cost of the dam. The same  10 true for highway signs or aids to navigations. Once a 1ighthouse is built,  11 _ ship of  12 nationality can be effectively excluded from the13the lighthouse for navigational purposes. National defense is another example.  14 a person who voted against military expenditures or  15 taxes  16 the protection afforded.　　It is no easy task to17the social costs and social benefits associated with a public good. There is  18 way of  19 drivers for 100 at highway signs, sailors for watching a lighthouse, and citizens for the security provided to them through national defense.  20 the market does not provide the necessary signals, economic analysis has to be substituted for the impersonal judgment of the market place.1. A. efficiently　　　 B. effectively　　　　 C. effectually　　　　　 D. absolutely2. A. have　　　　　　　B. enjoy　　　　　　　 C. concern　　　　　　　 D. contribute3. A. will reduce　　　 B. will enhance　　　　C. does not reduce　　　 D. does not exclude4. A. anybody’s　　　　B. somebody else’s　　C. anybody else’s　　　 D. whoever5. A. the benefit goods B. the peculiar goods　C. the same goods　　　　D. his goods6. A. as same as　　　　B. as rare as　　　　　C. as far as　　　　　　 D. as good as7. A. some people　　　 B. the native people　 C. all the people　　　　D. the common people8. A. regarding　　　　 B. irrespective of　　 C. by virtue of　　　　　D. considering9. A. for　　　　　　　 B. on　　　　　　　　　C. towards　　　　　　　 D. to10. A. holds　　　　　　B. has　　　　　　　　 C. grasps　　　　　　　　D. carries11. A. any　　　　　　　B. a　　　　　　　　　 C. the　　　　　　　　　 D. no12. A. any　　　　　　　B. a　　　　　　　　　 C. some　　　　　　　　　D. no13. A. enjoying　　　　 B. sharing　　　　　　 C. catching sight of　　 D. utilization of14. A. If　　　　　　　 B. When　　　　　　　　C. Once　　　　　　　　　D. Even15. A. has paid　　　　 B. has not paid　　　　C. paid　　　　　　　　　D. did not pay16. A. could benefit from B. will benefit from C. couldn’t benefit from D. won’t benefit from17. A. calculate　　　　B. collect　　　　　　 C. determine　　　　　　　D. investigate18. A. an advisable　　 B. a practicable　　　 C. no advisable　　　　　 D. no practicable19. A. charging　　　　 B. estimating　　　　　C. calculating　　　　　　D. controlling20. A. Because　　　　　B. Even　　　　　　　　C. However　　　　　　　　D. Surprisingly

In saying that the benefits of ecosystems are not commodities (line 96) Passage 2 suggests that they ______.

The mass production of goods from the Industrial Revolution in the 1800’s made person-to-person selling less efficient than mass distribution.

Dry cargoes are those commodities that（）.

Special stowage in deep tanks is obviously required for（）.

（）means any person by whom or in whose name or on whose behalf a contract of carriage of goods by sea has been concluded with a carrier，or any person by whom or in whose name or on whose behalf the goods are actually delivered to the carrier in relation to the contract of carriage of goods by sea.

Once a lighthouse is built, no ship of any nationality can be effectively _____ from the utilization of the lighthouse for navigational purposes.

It can be inferred from the passage that _____.