【判断题】【消耗次数:1】
单色器是一种能从复合光中分出一种所需波长的单色光的光学装置。
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随机题目
【单选题】 Nancyis______________________girl.
①  aeighteen-year-old
②  aneighteen-yearsold
③  aeighteenyears-old
④  aneighteen-year-old
【单选题】 Abus____whenIwassittingonthebench.
①  passedby
②  passedon
③  passedup
④  passedout
【单选题】 Wecannotjudgeapersonsimplyonthe______ofthiseducation.
①  condition
②  basis
③  principle
④  theory
【单选题】 Weshouldmakethecontract____ouradvantage.
①  to
②  of
③  at
④  for
【单选题】 WecandependonBobtomakea_____choice
①  sound
②  sensitive
③  noisy
④  considered
【单选题】 ---Excuseme,sir.WhereisProf.Smith’soffice?---_________________.
①  Youcan’taskme
②  Pardon,Ihavenoidea
③  Pleasedon’tsayso
④  Sorry,Idon’tknow
【单选题】 Jane’sdressissimilarindesign_____hersister’s
①  with
②  like
③  to
④  as
【单选题】 Theybegantodraft______onlabourprotection.
①  rules
②  legislation
③  principle
④  principal
【单选题】 Thewildflowerslookedlikeasoftorangeblanket______thedesert.
①  covering
②  covered
③  cover
④  tocover
【单选题】 Maryneverturned_____atthecinema,althoughIwaitedoveranhour.
①  out
②  in
③  up
④  to