题目内容
D
Ms.Rossi owns the Roadside Motel(汽车游客旅馆),which has 50 units.She wishes to keep a handy record of the number of units occupied(占用).To do this she uses a calendar and writes the number of units occupied in a small box in the right-hand square of each date.The following questions are based on the occupancy rate(率) for July.
1.The total number of units occupied during the week of July 14 through July 20 was ______.
A.234 B.239 C.240 D.244
2.The average(平均) occupancy rate for Thursday was ________.
A.29 B.31 C.27 D.28
3.Ms.Rossi regards a 90% occupancy rate as excellent.On how many days during the month did the Roadside Motel have a 90% or better rate of occupancy?
A.6. B.5. C.4. D.1.
1.A
2.C
3.C
【解析】
试题分析: 本文是一个汽车旅馆的老板把每周的入住情况时行了统计。
1.A 推断题。根据文中提到To do this she uses a calendar and writes the number of units occupied in a small box in the right-hand square of each date她用日历,写上房间号在小盒子上,标上日期,故可知把七月14日到20日之间的数量相加,故选A项。
2.C 推断题。要想算周四的平均入住率,把周四的总数相加再取平均,故选C项。
3.C根据“Which has 50 units”,和题干的第一句话,可知第3题的做法为:50×90%=45,从表中选取大于或等于45的数目,可推出答案C。
考点:计算类阅读。