可见光的波长范围是____,紫外光的波长范围是____,红外光的波长范围是____。
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波长越大,其频率越 ____,波数越 ____,能量越 ____。 原子发射、 原子吸收 和 原子荧光 三种光分析方法是利用线光谱进行
原子内层电子跃迁的能量相当于 光，原子外层电子跃迁的能量相当于 光和 光。
In this movie, George VI is portrayed by ___
A. Geoffrey Rush
B. Colin Firth
C. Helena Bonham Carter
D. Guy Pearce
The movie is called as "buddy movie" because _____.
A. it is a movie tackles some serious subject matter
B. it reflects the historical events
C. it ends up with a triumph of courage and friendship
D. it was nominated for 12 Academy Awards
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