一个最简带分数,它的分数部分分子是4,把它化成假分数后,分子是17,这个带分数是多少?
化成假分数后,分子增加了17-4=13,由于1×13+4=17,
即这个最简带分数是1413.
My grandfather is as _____ as a young man and hates sitting around doing nothing all day. [ ]
A. enthusiastic
B. energetic
C. talkative
D. sensitive