填空题 Questions 9-13
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.