2013年全国大学英语六级完形填空练习题
From childhood to old age，we all use language as a means of broadening our knowledge of ourselves and the world about us.When humans first 1，they were like newborn children，unable to use this 2tool.Yet once language developed，the possibilities for human kinds future 3and cultural growth increased.
Many linguists believe that evolution is 4for our ability to produce and use language.They 5that our highly evolved brain provides us 6an innate language ability not found in lower 7.Proponents of this innateness theory say that our 8for language is inborn，but that language itself develops gradually，9 a function of the growth of the brain during childhood.Therefore there are critical 10times for language development.
Current 11of innateness theory are mixed，however，evidence supporting the existence of some innate abilities is undeniable.12，more and more schools are discovering that foreign languages are best taught in 13grades.Young children often can learn several languages by being 14to them，while adults have a much harder time learning another language once the 15of their first language have become firmly fixed.
16 some aspects of language are undeniably innate，language does not develop automatically in a vacuum.Children who have been 17from other human beings do not possess language.This demonstrates that 18with other human beings isnecessary for proper language development.Some linguists believe that this is even more basic to human language 19than any innate capacities.These theorists view language as imitative，learned behavior.20，children learn language from their parents by imitating them.Parents gradually shape their child’s language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones. 1.A.generated B.evolved C.born D.originated 2.A.valuable B.appropriate C.convenient D.favorite 3.A.attainments B.feasibilityC.entertainments D.evolution 4.A.essential B.available C.reliable D.responsible 5.A.confirm B.inform C.claim D.convince 6.A.for B.from C.of D.with
7.A.organizations B.organisms C.humans D.children 8.A.potential B.performance C.preference D.passion 9.A.as B.just as C.like D.unlike
10.A.ideological B.biological C.social D.psychological 11.A.reviews B.reference C.reaction D.recommendation 12.A.In a word B.In a sense C.Indeed D.In other words 13.A.various B.different C.the higher D.the lower 14.A.revealed B.exposed C.engaged D.involved 15.A.regulations B.formationsC.rules D.constitutions 16.A.Although B.Whether C.Since D.When 17.A.distinguished B.differentC.protected D.isolated 18.A.exposition B.comparison C.contrastD.interaction 19.A.acquisition B.appreciation C.requirementD.alternative 20.A.As a result B.After allC.In other words D.Above all The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and business-to-business transactions. Conceptually, e-commerce does not 1 from well-known commercial offerings such as banking by phone, \order\model 3 in other business transactions; the difference 4 in the details. To a consumer, the most visible form of e-commerce consists 5 online ordering. A customer begins with a catalog of possible items, 6 an item, arranges a form of payment, and 7 an order. Instead of a physical catalog, e-commerce arranges for catalogs to be 8 on the Internet. Instead of sending an order on paper or by telephone, e-commerce arranges for orders to be sent 9 a computer network. Finally, instead of sending a paper representation of payment such as a check, e-commerce 10 one to send payment information electronically.
In the decade 11 1993, e-commerce grew from an 12 novelty ( 新奇事物) to a mainstream business influence. In 1993, few 13 had a web page, and 14 a handful allowed one to order products or services online. Ten years 15 , both large and small businesses had web pages, and most 16 users with the opportunity to place an order. 17 , many banks added online access, 18 online banking and bill paying became 19 . More importantly, the value of goods and services 20 over the Internet grew dramatically after 1997.
1. A)distract B) descend C)differ D) derive 2. A) with B) via C) from D) off
3. A) appeared B) used C) resorted D) served 4. A) situates B) lies C) roots D) locates 5. A) on B) of C) for D) to
6. A) reflects B) detects C) protects D) selects 7. A) sends in B) puts out C) stands for D) carries away 8. A) visible B) responsible C) feasible D) sensible 9. A) beside B) over C) beyond D) up
10. A) appeals B) admits C) advocates D) allows 11. A) after B) behind C) until D) toward
12. A) optional B) invalid C) occasional D) insignificant 13. A) communities B) corps C) corporations D) compounds 14. A) largely B) slightly C) solely D) only 15. A) lately B) later C) late D) latter 16. A) offered B) convinced C) equipped D) provided 17. A) Instead B) Nevertheless C) However D) Besides 18. A) and B) or C) but D) though 19. A) different B) flexible C) widespread D) productive 20. A) acquired B) adapted C) practiced D) proceeded