Complete the notes below. Choose NO MORE THAN TWO WORDS from the passage

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问题     Complete the notes below.
    Choose NO MORE THAN TWO WORDS from the passage for each answer.
    Write your answers in boxes 9-13 on your answer sheet.
    127 fibres = 1 bundle
    2 fibres = 60 Watt bulb
    A  (9)   measures amount of light & a  (10)   mixes light from different sources to keep levels constant
    Higher % of natural light, more attractive and biologically advantageous—fluorescence contributes to feelings of  (11)   whereas natural or hybrid light gives rise to more productivity (& the sale of more  (12)   in shops) because it helps workers (& shoppers ) feel good and maintain biological rhythms.
    Plastic fibres are cheap but length from the  (13)   is a limiting factor. [br]

选项

答案 hybrid luminaries

解析
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