GRE经典题库：GRE试题4

会计考友

16. UPBRAlD : REPROACH ::

　　(A) dote : like
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0 V8 r/ |$ `* W　　(B) lal: : stray
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6 a. j* i1 i: \  q　　(C) vex : please
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　　(D) earn : desire

　　(E) recast : explain

9 t% s  g% k! j　　Directions: Each passage in this group is followed by questions based on its content.
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　　After reading a passage, choose the best answer to each question. Answer all questions
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* A  I$ x+ E! n# g! c5 s( N- q: ]　　following a passage on the basis of what is stated or implied in that passage.
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; F% w, A' U9 a1 g) m# _　　lt has been known for many decades that the appear-

1 k& [! @7 {- n, U/ h$ X　　ance of sunspots is roughly periodic, with an average
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　　cycle of eleven years. Moreover, the incidence of solar

& Z( ~6 k1 M, C* T+ r　　flares and the flux of solar cosmic rays, ultraviolet radia-
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2 W3 j7 j( ?' J& l6 s　　tion, and x-radiation all vary directly with the sunspot (5)

) i; p; s% W* \) b9 ?1 B4 C( Q　　cycle. But after more than a century of investigation. the

  j" J) m2 {/ f　　relation of these and other phenomena, known collec-

$ F9 E& [- z+ H* R) \: J6 L  D　　tively as the solar-activity cycle, to terrescrial weather

　　and climate remains unclear. For example. the sunspot

　　cycle and the allied rnagnetic-polarity cycle have been (10)

　　linked to periodicities discerned in records of such vari-
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　　ables as rainhll. temperature, and winds. lnvariably,

9 {! b- N) f2 q+ z* i　　however, the relation is weak. and commonly ofdubious

　　statistical significance.
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* J/ R3 e" E: C3 N2 t　　Effects of solar variability over longer terms have also (15)
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* o3 Y& }. A/ O. j5 D　　been sought. The absence of recorded sunspot activity in
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8 K0 W/ q. E; Z0 d! o5 Q0 i　　the notes kept by European observers in the late seven-
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- C. z) r6 t0 d* ~% Q' T　　teenth and early eighteenth centuries has led some schol-
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& M+ v" }3 [& `" [1 Y2 }! n/ \) A　　ars to postulate a brief cessation of sunspot activity at
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　　that time (a period called the Maunder minimum). The (20)

) R* `" a# ^/ {: _　　Maunder minimum has been linked to a span of unusual

　　cold in Europe extending from the sixteenth to the early
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　　nineteenth centuries. The reality of the Maunder mini-

　　mum has yet to be established, however, especially since
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　　the records that Chinese naked-eye observers of solar (25)
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　　activity made at that time appear to contradict it. Scien-

　　tists have also sought evidence of long-term solar period-
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5 H8 c7 K- l% ^　　icities by examining indirect climatological data, such as
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　　fossil recoras of the thickness of ancient tree rings. These