题目内容
9．I __________ laughter at the sight of the funny actor．（ ）| A． | burst out | B． | burst into | C． | broken into | D． | began with |
分析 看到这个滑稽的演员我突然大笑起来．
解答 答案是B．本题主要考查动词短语辨析．burst out 突然发生，迸发；burst out laughing突然大笑起来；burst into突然闯入；burst into laughter突然大笑起来；break into突然闯入； begin with以…开始；根据句意，看到滑稽的演员我"突然大笑起来"，后面是名词laughter，故选择B．
点评 本题考查动词短语的语义辨析，考生在平时的学习中应注意积累相应的短语和词汇，并牢记其意思．在做题时，将短语的意思和题干相结合，从语法、句子结构尤其是句意上去判断，句意通顺，符合逻辑，即正确答案．
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20．
Many of us grow up dreaming of becoming an astronaut．Ever wonder what it takes to be one？
Take NASA for example．
In order to catch NASA's eye，would-be astronauts must not only stand out in required skills and pass physical and psychological exams，but also find unique ways to （41）Dthemselves from the harsh competition．
NASA's requirements for becoming an astronaut have changed over the years．Originally，it （42）Kcandidates with a military flight background，with at least 1，000 hours spent in command of a jet aircraft．In 1978，however，NASA （43）Hits focus to a more varied group of astronauts：scientists and engineers with at least three years of experience in their respective fields．
During the years of shuttle missions，everyone had a （44）J：some would focus on robotics，others on spacewalks or maintenance．To work on the space station，astronauts must be able to perform all tasks，which encourage （45）Bto acquire different experiences．Jeanette Epps，an astronaut，studied aerospace engineering，worked at Ford Motor Company and took a job with the CIA before joining NASA．She says astronauts'varied backgrounds （46）Fto their ability to adapt and learn anything quickly．
After ensuring that candidates are U．S．citizens and that they satisfy （47）Aeducation and experience requirements，the selection committee enters a gray area．"We're not really looking for one thing，just a good mix of things，"said Duane Ross，the manager for astronaut candidate selection and training．
To the committee，candidates who take on （48）Ioutside of the workplace demonstrate curiosity and energy．Many astronauts who don't have a military background do hold a（n）（49）Epiloting license．Some are enthusiastic mountain climbers，scuba divers or skiers．Others are musicians，dancers，or play competitive sports．Choosing to （50）Gthemselves to different，extreme environments counts as another way to stand out from the crowd．
| A．basic B．applicants C．extraordinary D．distinguish E．private F．contribute G．expose H．shifted I．challenges J．specialty K．favored |
Take NASA for example．
In order to catch NASA's eye，would-be astronauts must not only stand out in required skills and pass physical and psychological exams，but also find unique ways to （41）Dthemselves from the harsh competition．
NASA's requirements for becoming an astronaut have changed over the years．Originally，it （42）Kcandidates with a military flight background，with at least 1，000 hours spent in command of a jet aircraft．In 1978，however，NASA （43）Hits focus to a more varied group of astronauts：scientists and engineers with at least three years of experience in their respective fields．
During the years of shuttle missions，everyone had a （44）J：some would focus on robotics，others on spacewalks or maintenance．To work on the space station，astronauts must be able to perform all tasks，which encourage （45）Bto acquire different experiences．Jeanette Epps，an astronaut，studied aerospace engineering，worked at Ford Motor Company and took a job with the CIA before joining NASA．She says astronauts'varied backgrounds （46）Fto their ability to adapt and learn anything quickly．
After ensuring that candidates are U．S．citizens and that they satisfy （47）Aeducation and experience requirements，the selection committee enters a gray area．"We're not really looking for one thing，just a good mix of things，"said Duane Ross，the manager for astronaut candidate selection and training．
To the committee，candidates who take on （48）Ioutside of the workplace demonstrate curiosity and energy．Many astronauts who don't have a military background do hold a（n）（49）Epiloting license．Some are enthusiastic mountain climbers，scuba divers or skiers．Others are musicians，dancers，or play competitive sports．Choosing to （50）Gthemselves to different，extreme environments counts as another way to stand out from the crowd．
17．There are so many people talking in the concert hall that I can't _______ the music，．（ ）
| A． | concentrate on | B． | absorb in | C． | center on | D． | devoted to |
4．Tom was __________ that he couldn't understand __________ simple sentence．（ ）
| A． | so a stupid boy； such a | B． | a so stupid boy； a such | ||
| C． | so stupid a boy； a such | D． | so stupid a boy； such a |
When was the last time you had fun with your parents？Your parents are all busy during working days； during the weekends，you may want to hang out with them but they may have to work extra hours．