9、铁路旁的一条平行小路上，有一行人与一骑车人同时向南行进，行人速度为3.6千米/小时，骑车人速度为10.8千米/小时。这时，有一列火车从他们背后开过来，火车通过行人用22秒钟，通过骑车人用26秒钟。这列火车的车身总长是多少米？（ ）
A. 22 B. 56 C. 781 D. 286 答案：D
10、如图所示，圆O的面积为314平方米(?=3.14)，平行四边形ABCD的面积为180平方米，则三角形ABO的面积是： A．49.5米2 B.48米2
C.47.5米2 D．45米2 答案：D
11、把一根竹竿垂直插入水中，在竹竿上刻上一个记号表示水深；再把这根竹竿掉过头来垂直插入水中，也刻上一个记号表示水深。如果两个记号相距10厘米，水深是100厘米，那么竹竿的长度是多少厘米？（ ） A. 190 B. 210 C. 210或170 D. 190或21 答案：D 答案：D
12、如图所示，圆柱体的一个截面ABCD平行于轴OO′，截面ABCD的面积为48cm2，OO′与截面ABCD的距离为5cm，OA为13cm，则AB的长度为：
A．2cm B．3cm C．3.5cm D．4cm 答案：A
13、某一地区在拆迁时，拆迁办组织三个部门的人将长木锯成短木，树木的粗细都相同，只有长度不一样，甲部门锯的树木是2米长，乙部门锯的树木是1．5米长，丙部门锯的树木是1米长，都要求按0．5米长的规格锯开，时间结束时，三个部门正好把堆放的树木锯完，张三那个部门共锯了27段，李四那个部门共
若
锯了28段，王五那个部门共锯了34段，请问张三属于那个部门?那个部门锯得最慢?
A．属于丙部门，甲部门最慢。 B．属于乙部门，丙部门最慢。 C．属于甲部门，并部门最慢。 D．属于乙部门，乙部门最慢。 答案：B
14、某人在15分钟内能打X个字，那他出同样的速度打完Y个字需要多少小时？ A.15Y/X B.X/15Y C.4X/Y D Y／4X 答案：D
15、某厂今年平均每月生产零件1993个，比去年平均每月产量的2帕多13个。问去年平均每月生产多少个零件？
A 99O B.90O C 980 D 1000 答案：A
5）英语单项选择
1. Because of a _____ engagement, Lora couldn't attend my birthday party last Saturday.
A. Pioneer B. premature C. prior 2.
D. past 答案：C
The continuous rain _____ the harvesting of the wheat crop by two
weeks.
A. set back B. set off C. set out D. set aside 答案：A
3.We can accept your order ________payment is made in advance. A)in the belief that C) on the excuse that
B) in order that D) on condition that 答案：D 4. It British government often says that furnishing children with ________ to the information superhighway is a top priority. A) procedure C)allowance
B) protection D) access 答案：D
5. Louis Herman, at the University of Hawall, has ________a series of new experiments in which some animals have learned to understand sentences.
A) installed C) devised
B) equipped D) formatted 答案：C 6. It is important to ________between the rules of grammar and the conventions of written language.
A) determine C)explore
B) identify D)distinguish 答案：D
7.Any donation you can give will help us ________the suffering and isolation of the homeless this New Year. A) lift C) comfort
B) patch D) ease 答案：D
8. This research has attracted wide coverage in the ________and has featured on BBC television’s Tomorrow’s World. A) data C)message
B)source D)media 答案：D 9.
He asked us to _____ them in carrying through their plan.
D. persist 答案：C
A. provide B. arouse C. assist
10.I had just posted the letter when I remembered that hadn’t ________the cheque.
A) imposed C)enclosed
B) involved D)contained 答案：C
11.They were ________admission to the military exhibition because they were foreigners.
A) denied C)deprived