II. Cloze
The auroras are magnificent displays of light and color that_(11)_nights of the year in certain parts of the world. Also __(12) __ the northern and southern lights, theythe night sky on manyare only visible in the far north and far south, in areas such as Canada, Norway, South America, andAustralia. The auroras get their name from__(13)__ of the Roman goddess of dawn, Aurora. They were,until recently, the subject of several farfetched, though often romantic, suggestions about what causedthem. The Sottish poet William Aytoun, for example, wrote in the 1800s that the lights were signs thata king or hero had died. Science now tells us,__(14)__ , that the auroras are actually caused when electrically chargedparticles from the sun clash with air molecules in Earth's atmosphere. Occurring anywhere from 60  to600 kilometers above Earth's surface, these __(15)__ result in dramatic banners of light that oftenresemble colorful draperies hanging in the glowing nighttime sky.
【題組】11. ( )
(A) illuminate
(B) dominate
(C) illustrate
(D) arraign