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 __2__ tool.Yet once language developed, the possibilities for human kind‘s future __3__ and cultural growth increased. . `& j" z r7 P. P! V$ d4 n# ?
( Q6 U* a* V3 e" t: B. c 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.7 o- T: \. i- v
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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." `8 l/ \. s4 a l! N
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__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.9 e3 i3 N' s b
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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.
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1.A.generated B.evolved # t3 \( D c6 o9 v# D$ W9 q
C.born D.originated% w5 D8 L: D4 u! A) R) [) @8 j
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2.A.valuable B.appropriate
& X. i4 k8 y/ x C.convenient D.favorite. w) T1 p, z, e8 j& b0 p
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3.A.attainments B.feasibility
& f% X. Z- V4 R2 @- } C.entertainments D.evolution
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4.A.essential B.available
* j L7 Q. [9 C: V6 Z. d, w$ ]9 t; k C.reliable D.responsible+ C* r8 T3 s! e5 ~+ z {
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5.A.confirm B.inform ( t& Y6 d( e& k
C.claim D.convince8 d) X2 S0 U/ H& I1 w
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6.A.for B.from 5 l+ D$ v' q" e Z2 g- b
C.of D.with
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4 O3 m! E$ n5 @3 F8 O0 U& t+ G7.A.organizations B.organisms ' `, d+ P2 X! P/ L+ e
C.humans D.children1 [3 i6 n% ~, ^. N6 n4 S9 m
9 N) s+ _6 B) V H5 n1 Z$ f( |0 T) ~8.A.potential B.performance 0 M( _3 p2 p% B- ?
C.preference D.passion7 v" W# L- E0 \% B4 \, S1 Q
0 C' N T7 ^2 h1 w, I$ j9.A.as B.just as |