四级英语选词填空专练带答案

　　四级英语选词填空专练1

　　More sleep in old age, however, is __50__ with better health, and most older peoplewould feel better and more __51__ if they slept for longer periods, he said.

　　“The ability to sleep in one chunk (整块时间) overnight goes down as we age but theamount of sleep we need to __52__ well does not change,” Dr Drummond told the AmericanAssociation for the Advancement of Science conference in San Diego.

　　“It's __53__ a myth that older people need less sleep. The more healthy an older adultis, the more they sleep like they did when they were __54__. Our data suggests that olderadults would benefit from __55__ to get as much sleep as they did in their 30s. That's __56__from person to person, but the amount of sleep we had at 35 is probably the same amount aswe need at 75.”

　　四级英语选词填空专练选项

　　A) alert I) formally

　　B) associated J) function

　　C) attracting K) mixed

　　D) cling L) negative

　　E) continuing M) sufficient

　　F) definitely N) tend

　　G) different O) younger

　　四级英语选词填空专练答案

　　47 N tend 48 L negative 49 H efficiently 50 B associated

　　51 A alert 52 J function/ 53 F definitely 54 O younger

　　55 E continuing56 G different

　　四级英语选词填空专练2

　　What determines the kind of person you are? What factors make you more or less bold,intelligent, or able to read a map? All of these are influenced by the interaction of yourgenes and the environment in which you were 47 . The study of how genes andenvironment interact to influence 48 activity is known as behavioral genetics. Behavioralgenetics has made important 49 to the biological revolution, providing information about theextent to which biology influences mind, brain and behavior.

　　Any research that suggests that 50 to perform certain behaviors are based in biology iscontroversial. Who wants to be told that there are limitations to what you can 51 based onsomething that is beyond your control, such as your genes? It is easy to accept that genescontrol physical characteristics such as sex, race and eye color. But can genes alsodetermine whether people will get divorced, how 52 they are, or what career they are likely tochoose? A concern of psychological scientists is the 53 to which all of these characteristicsare influenced by nature and nurture(养育), by genetic makeup and the environment.Increasingly, science 54 that genes lay the groundwork for many human traits. From thisperspective, people are born 55 like undeveloped photographs: The image is already captured,but the way it 56 appears can vary based on the development process. However, the basicpicture is there from the beginning.

　　四级英语选词填空专练选项

　　[A] abilities [I] extent

　　[B] achieve [J] indicates

　　[C] appeal [K] proceeds

　　[D] complaints [L] psychological

　　[E] contributions [M] raised

　　[F] displayed [N] smart

　　[G] essentially [O] standard

　　[H] eventually

　　四级英语选词填空专练答案

　　47. M) raised 48. L) psychological 49. E) contributions 50. A) abilities

　　51. B) achieve 52. N) smart 53. I) extent 54. J) indicates

　　55. G) essentially 56. H) eventually