1. (2016八上·九臺(tái)期中) 體溫計(jì)的量程是℃，圖中體溫計(jì)的示數(shù)是℃；若用體溫計(jì)測(cè)得甲同學(xué)的體溫為38.7℃，沒有甩就直接測(cè)量實(shí)際體溫為36.5℃的乙同學(xué)體溫，則體溫計(jì)的示數(shù)是℃；若用酒精對(duì)體溫計(jì)的玻璃泡擦拭消毒，它的示數(shù)會(huì)（選填“變大”、“變小”或“不變”）．