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. / E. m! q8 U9 U+ p. j) ^' S4 \
f; S7 L. Y' _, K: M, Q% Q3 x 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.8 L6 A6 q4 O' x& N* F) P
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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." N% z, P. p* A. G) {1 g
` o% N, G. _5 H7 `& z __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.
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- Z9 d2 c. ]3 e* M$ a6 V3 S& _5 D9 W& SThese 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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7 x7 i7 f' a7 G/ k1.A.generated B.evolved
E" X6 A: s( z C.born D.originated
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* R+ I. p5 J3 V2.A.valuable B.appropriate 8 e* S- t0 ?0 o2 J. o) W
C.convenient D.favorite6 l- b) W4 t- k1 ~$ ?: m
5 }3 a0 W- g" ^ B0 K4 n3.A.attainments B.feasibility 9 |; g" t8 x; Q4 f9 L2 f
C.entertainments D.evolution
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$ ~9 }! h6 T: k# {7 s4.A.essential B.available - N; [3 Q0 h0 M% r: A, L4 T+ ]
C.reliable D.responsible9 @5 s0 f, V+ X& s# u
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5.A.confirm B.inform
( A+ C& C* V( I d C.claim D.convince7 C7 g$ l- Y+ C- Z3 V2 |8 ?
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6.A.for B.from 0 w; a0 |$ O- r, w* x% J5 }8 m* }
C.of D.with
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) X( p3 [9 {: K0 ]# G: h u! Z C3 o7.A.organizations B.organisms
+ C+ C5 b1 M6 u C.humans D.children7 L+ k3 u3 {3 e! ]3 G6 k7 y
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8.A.potential B.performance 1 P5 }& k, B. }, y( S
C.preference D.passion
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5 W. Q0 v7 l* R9.A.as B.just as |