高频词汇练习6

单项选择: 本练习共30道小题，每道题的句子中有一处空白，请从每道题后的ABCD四个选项中选出一个最佳选项填入空白处。

1.Moreover, some have been found to have a _______function in building up soil fertility. The interdependence of the forest and its constituent tree species, ground flora, and fauna is taken for granted.(2010, Reading Comprehension, Part C)•A value•B valuable•C evaluate•D evaluable•正确答案：B•你的答案：未答【答案】valuable: adj. 有价值的。

2.Certainly, there are____concerns about the patchwork regulations that could result if every state sets its own rules. But had Entergy kept its word, that debate would be beside the point.（2012 ,ReadingComprehension, Text 2)•A valid•B validly•C validity•D valuable•正确答案：A•你的答案：未答【答案】valid ：adj. 合理的。

3.Today many people find it difficult to trust their own opinion and seek balance by gaining objectivity from external sources. This way you________ your opinion and show that you are incapable of managing your own life.（2015,Reading Comprehension,Part B)•A evaluate•B devalue•C decide•D valid•正确答案：B•你的答案：未答【答案】devalue ：v. 贬低；降低…的价值。

4.At the start of the 20th century, under-nutrition and ______infections got in the way. But as diet and health improved, children and adolescents have, on average, increased in height by about an inch and a half every20 years, a pattern known as the secular trend in height. （2008,ReadingComprehension,Text 3)•A childhood•B childless•C childishness•D childlike•正确答案：A•你的答案：未答【答案】childhood: n. 童年时期，儿童状态。

childhood infection：n.儿童传染病，儿童感染。

5.If the trade unionist Jimmy Hoffa were______today, he would probably represent civil servant.( 2012,Reading Comprehension,Text 4)•A alive•B live•C exist•D dead•正确答案：A•你的答案：未答【答案】alive ：adj. 活着的6.While Europe’s monarchies will no doubt be smart enough to ________for some time to come, it is the British royals who have most to fear from the Spanish example.（2015,Reading Comprehension,Text 1)•A survive•B survival•C revive•D alive•正确答案：A•你的答案：未答【答案】survive：v. 幸存。

7.Powerful memory doesn’t make my emotions any more acute or ______.I can recall the day my grandfather died and the sadness I felt when wewent to the hospital the day before.（2013,Translation)•A vivid•B vividly•C real•D vividness•正确答案：A•你的答案：未答【答案】vivid ：adj. 生动的。

8.Sexual confusion, economic frustrations, and religious hope—all came together in a _______moment when he opened the Bible, told his father that the first line he saw would settle his fate.（2009,ReadingComprehension, Text 4)•A decisive•B decision•C definite•D decided•正确答案：A•你的答案：未答【答案】decisive ：adj. 决定性的9.It’s probably best to write the introduction last, after you know ________ what you are introducing.（2008, Reading Comprehension, Part B)•A precise•B precisely•C precision•D preciseness•正确答案：B•你的答案：未答【答案】precisely: n. 严格地，准确地。

10.In 1995 the CIA held a ________to see who could compile the most data about Burundi.（2003 ,Reading Comprehension, Text 1)•A contest•B competitor•C contesting•D contestant•正确答案：A•你的答案：未答【答案】contest: n. 竞赛。

11.This year, it was proposed that system be changed: Horizon 2020,a new program to be enacted in 2014,would not have such a category .This has resulted in ________from social scientists. （2013,Reading Comprehension, Part B)•A protests•B contests•C protects•D protect•正确答案：A•你的答案：未答【答案】protests ：n. (复数形式)抗议。

12.Anyone who has toiled through SAT will ______that test-taking skill also matters, whether it's knowing when to guess or what questions to skip.（2007,Reading Comprehension,Text 2)•A testify•B test•C protest•D classify•正确答案：A•你的答案：未答【答案】testify: v. 证明。

13.In March 1998, a friend of Williams' got him involuntarily confined to a treatment center for addictions, and wrote to ________ the casino of Williams' gambling problem. （2006,Reading Comprehension,Part B)•A reform•B solve•C inform•D introduce•正确答案：C•你的答案：未答【答案】inform：v.通知,告诉。

14.Discuss the joys and downsides of your own career and encourage your kids to ______some ideas about their own future. （2007,ReadingComprehension,Part B)•A from•B form•C informing•D inform•正确答案：B•你的答案：未答【答案】form：v.形成。

15.The relationship between__________education and economic growth in poor countries is widely misunderstood by economists and politicians alike. （2009,Reading Comprehension,Text 3)•A formal•B inform•C formally•D perform•正确答案：A•你的答案：未答【答案】formal ：adj. 正式的。

16.We are fortunate that it is, because building new educational systems there and putting enough people through them to improveeconomic__________would require two or three generations.（2009,Reading Comprehension, Text 3)•A perform•B former•C to increase•D performance•正确答案：D•你的答案：未答【答案】performance：n. 绩效。