问题 解答题

2010年5月18日-22日,第十二届“海峡两岸经济交流贸易会”(简称“海交会”)在福州海峡展览城隆重举行.各行各类企业在此前都纷纷到“海交会”筹委会报名参展.在筹备期间的某一天,筹委会工作人员的小组发现这样一个有趣的现象:按现在的报名企业数,若每个展区安排340个展位(注:假设一个企业只能有一个展位),则最后一个展区只开设306个展位;若每个展区安排335个展位,则最后有几个报名企业没有展位,但这个数量不超过5个.请问:这次“海交会”福州海峡展览城安排几个展区?到这天为止,报名的企业数有几个?

答案

设这次“海交会”福州海峡展览城安排x个展区,由题意,得

0<340(x-1)+306-335x≤5,

解得:

34
5
<x≤
39
5

∵x为整数,

∴x=7.

∴报名的企业数有:340×(7-1)+306=2346(个)

∴这次“海交会”福州海峡展览城安排7个展区,报名的企业数有2346个.

单项选择题
单项选择题

Robert Moody, 52, is an experienced police officer. Much of his work involves dealing with (16) and gang (团伙)problems in the schools of his community. Knowing that many kids often (17) trouble, he decided to do something about it. So in 1991 he began to invite small groups of kids to go fishing with him on his day (18) .

Those fun trips had a(n) (19) impact. A chance encounter in 2000 proved that. One day, (20) working security at a school basketball game, Moody noticed two young guys (21) . He sensed trouble between them. (22) one of them headed toward Moody and gave him a hug. "I (23) you. You took me (24) when I was in fifth grade. That was one of the (25) days of my life. "

Deeply touched by the boy’ s word, Moody decided to create a foundation (基金会)that (26) teenagers to the basics of fishing in camping programs. "As a policeman, I saw (27) there was violence, drugs were always behind it. They have a damaging (28) on the kids," says Moody.

By turning kids on to fishing, he (29) to present an alternative way of life, "When you’ re sitting there waiting for a (30) ," he says, "you can’t help but talk to each other, and such (31) can be pretty deep. "

"Talking about drugs helped prepare me for the peer(同龄人)pressures in high school," says Michelle, 17, who (32) the first program. "And I was able to help my little brother (33) drugs. "

Moody faces (34) in three years, when he hopes to run the foundation full-time. "I’ m living a happy life and I have a responsibility to my (35) to give back," Moody says. "If I teach a kid to

fish today, he can teach his brother to fish tomorrow. \

16().

A. drinking

B. drug

C. security

D. smoking