第一部分：词汇选项(第1～15题，每题1分，共15分)
下面共有15个句子，每个句子中均有1个词或短语划有底横线，请从每个句子后面所给的4个选项中选择1个与划线部分意义最相近的词或短语。答案一律涂在答题卡相应的位置上。
1 The Mayan civilization flourished on the Yucatan Peninsula of Mexico.
A profited
B gained
C benefited
D prospered
2 The field of international finance involves policies and procedures that affect the flow of money and credit among countries.
A appraisal
B numeration
C availability
D circulation
3 When an electric current flows through a wire，a magnetic field appears around the wire.
A travels
B vibrates
C alternates
D fluctuates
4 It was difficult to see ships in the distance because of the fog.
A sweat
B haze
C dew
D frost
5 Many tourists are attracted to the New England states by the autumn foliage.
A weather
B leaves
C festivals
D harvest
6 Though chess players may now compete against computers，they still follow rules that were used over 800 years ago.
A come after
B abide by
C recite
D allow
7 The harpsichord，developed during the Middle Ages，was one of the forerunners of the piano.
A competitors
B imitators
C predecessors
D offspring
8 Strict sanitary procedures help to forestall outbreaks of disease.
A prevent
B control
C minimize
D preview
9 Even the best-build machine will not run forever without proper maintenance.
A eternally
B smoothly
C dependably
D accurately
10 For financial reasons，scientists are often compelled to forsake their research.
A extend
B resume
C abandon
D redirect
11 Archaeologists have discovered fossils of million-year-old animals in excavations.
A remnants
B graves
C records
D paws
12 The oldest preserved manuscripts are those written on papyrus，which were found in Egyptian tombs.
A protected
B hidden
C sought
D discovered
13 Mary frosted the cake.
A served
B iced
C split
D cooled
14 In the first decades of the twentieth century，the individual gene could not be seen，but could be worked with fruitfully.
A blindly
B completely
C productively
D carefully
15 Grounded whales often struggle fruitlessly to reenter deep water.
A violently
B desperately
C in vain
D at length

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