2009年职称英语真题理工类C级参考 答案.docVIP

2009年?职称英语真?题理工类C?级参考答案?： 第一部分??? 词汇题： aim– goal (C) at stake?--- in dange?r (A) pract?icall?y ---almos?t(C) rarel?y --- seldo?m (B) guy --- man (D) safe---secur?e (B) massi?ve --- exten?sive (A) magni?ficen?t --- splen?did (D) aston?ished? – surpr?ised (A) last ---past (C) call ---phone? (B) conve?rsati?on --- talk (C) propo?sed --- sugge?sted (D) relie?d on --- depen?ded on (B) break?s ---beats? (A) ? 第二部分??? 阅读判断 ? 文章标题： Radio?carbo?n Datin?g 16. Nowad?ays many scien?tists? depen?d on radio?carbo?n for datin?g age-old objec?ts. (A： right?, 该提问句内?容可以由文?章第一段第?一句内容推?断出来： Nowad?ays scien?tists? can answe?r many quest?ions abou the past throu?gh a techn?ique calle?d radio?carbo?n (放射性碳), or carbo?n-14, datin?g. (现在科学家?们能通过一?种被称为放?射性碳， 即C-14的一种?技术来测定?年代， 回答许多关?于过去的事?情的问题)) ? 17. The radio?carbo?n datin?g techn?ique is only about? 40 years? old . (B: wrong?,?文章中提到?放射性碳测?定技术是在?20世纪4?0年代的末?期被研制出?来， 因此该提问?句内容与文?章中相关内?容不一致， 该题考察细?节信息的查?找和确认) ? 18. An atom of ordin?ary carbo?n has six proto?ns and eight? neutr?ons. (B: wrong?,?文章中说“普通的碳原?子含有6个?中子”，因此该提问?句内容与文?章中相关内?容不一致， 该题考察细?节信息的查?找和确认) ? 19. Radar? is used to deter?mine the chara?cteri?stics? of radio?carbo?n. (C： Not menti?oned, 该提问句内?容在文章中?没有被提及?) ? 20. Radio?carbo?n is relia?ble in datin?g an objec?t back to at least? 50,000 years?. (A: Right?, 该提问句内?容是对文章?倒数第二段?段落主题内?容的概括) ? 21. The C-14 in an organ?ism begin?s to decay? when it falls?. (A: Right?, 该提问句内?容是文章中?相关语句“Once an organ?ism dies it stops? takin?g in carbo?n in any form, and the C-14 alrea?dy prese?nts begin?s to decay?.(一旦生物体?死亡， 它就会停止?吸收任何形?式的碳， 而生物体内?的c-14也会开?始衰减”的同义转述?。) ? 22. The half-life of C-14 is about? 25,000 years?.. (B: Wrong?,?该题属于常?识题， C-14的半衰?期是556?8年左右， 不是25，000年。 ) 第三部分??? 概括大意与?完成句子 ? 文章标题：Meet your memor?y? ? 23. Parag?raph 1 ____E?____.(What is memor?y? (什么是记忆?力？)) ? 24. Parag?raph 2 ____C?____.(What are the stage?s memor?y consi?sts of? (记忆是由哪?几个阶段组?成？)) ? 25. Parag?raph 3 ____D?____.(What is the diffe?rence? betwe?en short?-term meomo?ry