Practice1
Onceagain,sciencesupportswhatyourgrandmothertoldyou:Agoodnight’ssleephelpsyourbodyfightacold.
Peoplewho(1)______fewerthansevenhoursofsleeppernightintheweeksbeforebeing(2)______tothecoldviruswerenearlythreetimesaslikelytogetsickasthosewhoaveragedeighthoursormore,anewstudyfound.
Researchersusedfrequenttelephone(3)______totrackthesleephabitsofmorethan150menandwomenaged21to55overthecourseofafewweeks.Thentheyexposedthe(4)______tothevirus,quarantined(隔离)themforfivedaysandkepttrackofwhogotsick.
Theresultsheldtrueevenafterresearchersadjustedfor(7)______suchasbody-massindex,age,sex,smokingandpre-existingantibodiestothevirus.
Likeyourgrandmother,theresearchersaren’texactlysurewhysleepingbettermakesyoulesslikelytodevelopacold.Buttheydotakeastabattheanswer:“Sleep(8)______influencestheregulationofproinflammatorycytokines,histamines,andothersymptommediatorsthatarereleasedin(9)______toinfection.”InplainEnglish,maybetossingandturningwhenyou’reinfectedwiththecoldvirus(10)______tothesymptomsthatdefineacold.
[A]subjects[B]disruption[C]exposed
[D]contributes[E]interviews[F]Despite
[G]actually[H]properties[I]response
[J]variables[K]action[L]averaged
[M]Besides[N]partially[O]disturbance
Onceagain,sciencesupportswhatyourgrandmothertoldyou:Agoodnight’ssleephelpsyourbodyfightacold.
Peoplewho(1)______fewerthansevenhoursofsleeppernightintheweeksbeforebeing(2)______tothecoldviruswerenearlythreetimesaslikelytogetsickasthosewhoaveragedeighthoursormore,anewstudyfound.
Researchersusedfrequenttelephone(3)______totrackthesleephabitsofmorethan150menandwomenaged21to55overthecourseofafewweeks.Thentheyexposedthe(4)______tothevirus,quarantined(隔离)themforfivedaysandkepttrackofwhogotsick.
Theresultsheldtrueevenafterresearchersadjustedfor(7)______suchasbody-massindex,age,sex,smokingandpre-existingantibodiestothevirus.
Likeyourgrandmother,theresearchersaren’texactlysurewhysleepingbettermakesyoulesslikelytodevelopacold.Buttheydotakeastabattheanswer:“Sleep(8)______influencestheregulationofproinflammatorycytokines,histamines,andothersymptommediatorsthatarereleasedin(9)______toinfection.”InplainEnglish,maybetossingandturningwhenyou’reinfectedwiththecoldvirus(10)______tothesymptomsthatdefineacold.
[A]subjects[B]disruption[C]exposed
[D]contributes[E]interviews[F]Despite
[G]actually[H]properties[I]response
[J]variables[K]action[L]averaged
[M]Besides[N]partially[O]disturbance
举一反三
- p>[span][span]一般来说，材料的[/][/][span]HB[/][span][span]指标越[/][/][span][span]低[/][/][span][span]，[/][/][span][span]其[/][/][span][span]耐磨性越好。[/][/][br][/br]</p
- 以下程序的输出结果是（ ）。 frame<br/>= [[1,2,3],[4,5,6],[7,8,9]] rgb<br/>= frame[: : -1] print(rgb) A: [[1,<br/>2, 3], [4, 5, 6]] B: [[7,<br/>8, 9], [4, 5, 6], [1, 2, 3]] C: [[1,2,3],[4,5,6],[7,8,9]] D: [[7,<br/>8, 9]]
- 以下程序的输出结果是:[br][/br]frame = [[1,2,3],[4,5,6],[7,8,9]][br][/br]rgb = frame[::-1][br][/br]print(rgb) A: [[1, 2, 3], [4, 5, 6]] B: [[7, 8, 9]] C: [[1,2,3],[4,5,6],[7,8,9]] D: [[7, 8, 9], [4, 5, 6], [1, 2, 3]]
- p>[span][span]同一个[/][/][span][span]钢经过淬火后的硬度肯定比[/][/][span][span]正[/][/][span][span]火后的硬度高。[/][/][br][/br]</p
- p>[span][span]奥氏体化[/][/][span][span]后[/][/][span][span]的[/][/][span][span]亚[/][/][span][span]共析钢在空气中冷却到室温时，其组织为珠光体。[/][/][br][/br]</p