22. lt can be inferred from the passage that Chinese observations of the Sun 7 `& y: G/ z! c5 y# U0 `7 [3 K. I
3 d% s; [( B6 Q% c during the late seventeenth and early eighteenth centuries
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- Q9 Y. `( E% m+ |2 y; e (A) are ambiguous BECause most sunspots cannot be seen with the naked eye / f" U/ j& o* D o0 ]% u" ^
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(B) probably were made under the same weather conditions as those made in Europe 8 ~+ _: s" x7 Q' r$ G, e' {& c# s
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(C) are more reliable than European observations . made during this period 8 J2 S; ~9 [+ L5 N
1 h- a+ m) o* e# b& A
(D) record some sunspot activity during this period - B" r, D, [ y; Y9 s/ y( T: z: o
* n. }4 P; F$ Q5 d, o (E) have been employed by scientists seeking to argue that a change in solar V" |. z) }. Y3 E p" a
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activity occurred during this period.
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23. It can be inferred from the passage that studies attempting to use tree-ring
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thickness to locate possi- ble links between solar periodicity and terrestrial
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5 ?, d- y1 n/ y! V1 q1 ?* V climate are based on which of the following assump- tions?
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(A) The solar-activity cycle existed in its present form during the time period & K o; E, j; x+ |# V F5 D
6 d( Z$ e8 y. X q& U in which the tree rings erew. 7 r* g6 A7 a5 \5 w
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(B) The biological mechanisms causing tree growth are unaffected by short-term 7 u c* p5 j- l6 B2 J3 Y6 R& r7 Z
& d, P) a$ p2 D
weather pat- terns.
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" M# d2 Y& j& }3 a (C) Average tree-ring thickness varies from species to species. ( X+ `* @( [% @ s/ r4 g
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(D) Tree-ring thicknesses reflecr changes in terres- trial climate. 3 a* T" H' \ ~4 k: [
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(E) Both terrestrial climate and the solar-activity cycle randomly af~ct tree-ring 8 Z. O ~ b% w e
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thickness.
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; z9 H0 y+ C. E/ u+ \* s The common belief of some linguists that each
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1 q, k+ c4 _; T7 H# G* Y language is a perfect vehicle for the thoughts of the 2 H4 G6 x# A9 |* f, H5 V1 ]& g7 C" i' u
6 M6 l3 i, b" m- v
nation speaking it is in some ways the exact counterpart ?: \% _+ Q3 p4 y
& _/ F3 \( j7 b9 _4 ] of the conviction of the Manchester school of economics
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that supply and demand will regulate everything for the(5)
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* T# m7 Q4 m+ y+ s' r/ J: S$ S best. Just as economists were blind to the numerous
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cases in which the law of supply and demand left actual
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wants unsatisfied, so also many linguists are deaf to 4 \3 [9 l( U" N) v
6 R% s* o) p; w: u5 ^ those instances in which the very nature of a ianguage 9 V0 n5 c* }# L: E1 A1 J5 G' i
8 p. y- |" \2 B% m1 |1 {6 {* t5 y calls forth misunderstandings in everyday conversation,(10) - `2 ^9 o6 I5 w" v
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and in which, consequently, a word has to be modified
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4 S/ W3 e% q3 S! u or defined in order to present the idea intended by the
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% h; s |, q7 @7 j' ? z2 F speaker: "He took his stick,no, not John's, but his
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own." No language is perfec't, and if we admit this truth, # X6 J2 a: _/ ?9 ]6 O4 L% `: Q
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we must also admit that it is not unreasonable to investi-(15)
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gate the relative merits of different languages or of ' Y( v, D f- ]! Q C! w6 F
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different details in languages. . d* W+ _- A5 z% y8 c/ ^
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24. The primary purpose ofthe passage is to ' C+ C8 f1 J* t1 c ^, y8 Y
& E& \9 j C+ K0 l5 s (A) analyze an interesting feature of the English language ( i$ T! V4 W, J1 Y/ g6 _
' A; h5 D3 a2 k9 c (B) refute a belief held by some linguists
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(C) show that economic theory is relevant to linguistic study
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6 u& W# N- u2 C: c$ }1 y (D) iilustrate the confusion that can result from the improper use of
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; ~: ]( y& f( M3 b1 C2 b language
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0 E# M7 N2 Z# `; ~, @2 k6 }! S (E) suggest a way in which languages can be made more nearly perfect. |