2022英语四级完型填空模拟训练(六) Many linguists believe that evolution is _4_ for our ability to produce and use language.They _5_ that our highly evolved brain provides us _6_ an innate language ability not found in lower _7_ . Proponents of this innateness theory say that our _8_ for language is inborn, but that language itself develops gradually, _9_ a function of the growth of the brain during childhood.Therefore there are critical _10_ times for language development. Current _11_ of 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 _13_ grades.Young children often can learn several languages by being _14_ to them, while adults have a much harder time learning another language once the _15_ of 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 _17_ from other human beings do not possess language.This demonstrates that _18_ with other human beings isnecessary for proper language development.Some linguists believe that this is even more basic to human language _19_ than 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 lang uage 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.feasibility C.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.formations C.rules D.constitutions 16.A.Although B.Whether C.Since D.When 17.A.distinguished B.different C.protected D.isolated 18.A.exposition B.comparison C.contrast D.interaction 19.A.acquisition B.appreciation C.requirement D.alternative 20.A.As a result B.After all C.In other words D.Above all