6. [A]workers [B]specialists [C]professionals [D ]teachers nAto B by [CHin D]for 8.[A]digits B]numbers [C]numerals Figures 9.[A] b ]the DE 10.A]blame B]de C]criticize Dljudge 11.[A]creators BIgivers C]producers D]sellers 12. A ]branches B paths C 13. [A]donate B]attribute [C]devote D]contribute 14.[A]strength B]notice [C]emphasis D]force 15.[]question B]doubt C]suspicion D]inquiry 16.A]relevant B]confined [C]associated D]relative 17.[A]Familiarly [B ] Relatively [C]Similarly [ D ]Consequently 18.Probability BJlikeliness [C]possibility D]presumptions 19.[A]decided [B established [C]determined [D]founded 20.A basement Basis C]root D]base I Read ing Comprehension It would be difficult to have a society like ours without public goods such as defense, transportation, and other services a public good is one that a person can use without reducing the use of it for another person. One of the best examples of a public good is national defense. One person can benefit from our national defense without reducing anther persons benefits. In fact, it is difficult to keep any person in our society from enjoying the benefits of national defense The market system dose not work well in producing public goods. This because a person who refuses to pay for a public good cannot be kept from using it. Suppose that the neighbors in a high crime area decide to hire a police force. Each neighbor except Mrs. Smith agrees to pay $100 a year for it. Mrs Smith refuse to pay because she knows that if all the others pay the $100, the police will guard the area anyway. So Mrs. Smith can enjoy the serv ices of the police force without paying $1006.[A]workers [B]specialists [C]professionals [D]teachers 7.[A]to [B]by [C]in [D]for 8.[A]digits [B]numbers [C]numerals [D]figures 9.[A]as [B]then [C]when [D]so 10.[A]blame [B]decide [C]criticize [D]judge 11.[A]creators [B]givers [C]producers [D]sellers 12.[A]branches [B]paths [C]trees [D]parts 13.[A]donate [B]attribute [C]devote [D]contribute 14.[A]strength [B]notice [C]emphasis [D]force 15.[A]question [B]doubt [C]suspicion [D]inquiry 16.[A]relevant [B]confined [C]associated [D]relative 17.[A]Familiarly [B]Relatively [C]Similarly [D]Consequently 18.[A]probability [B]likeliness [C]possibility [D]presumptions 19.[A]decided [B]established [C]determined [D]founded 20.[A]basement [B]basis [C]root [D]base III.Reading Comprehension (一) It would be difficult to have a society like ours without public goods such as defense ,transportation, and other services. A public good is one that a person can use without reducing the use of it for another person. One of the best examples of a public good is national defense .One person can benefit from our national defense without reducing anther person’s benefits. In fact, it is difficult to keep any person in our society from enjoying the benefits of national defense. The market system dose not work well in producing public goods. This is because a person who refuses to pay for a public good cannot be kept from using it. Suppose that the neighbors in a high crime area decide to hire a police force. Each neighbor except Mrs. Smith agrees to pay $100 a year for it .Mrs. Smith refuse to pay because she knows that if all the others pay the $100, the police will guard the area anyway. So Mrs. Smith can enjoy the services of the police force without paying $100