单选题 Some light bulbs have a special coating that diffuses rays from the filament and reduces______.
【正确答案】 D
【答案解析】解析:句意:有些灯泡有一层特殊涂层,它能漫射灯丝射出的光线而减少强光。A“排放,卸货”、B“热传导”、C“绝缘体”含义均不符,D项glare可指“刺眼,耀眼的光”,与句意相符,故为答案。