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

游客2024-01-07  27

问题 Complete the sentences below.
Choose NO MORE THAN TWO WORDS from the passage for each answer.
Write your answers in boxes 19-22 on your answer sheet. [br] Efficient lights from going into areas where it is not needed.

选项

答案 block light

解析 由题目可知问Efficient lights的作用,从而根据Efficient lights和areas where it is not needed可定位到H段第三句。该句指出,低钠灯取代低效的汞照明,能够阻绝灯光,不让其“入侵”到不需其照明的区域,low-sodium lights是题目Efficient lights的具体化,unwanted areas是areas where it is not needed的同义表达。文中low-sodium lights后接that引导的定语从句,说明其作用。考虑到题目词数要求,故此处应填入block light。
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