8.　把图①的纸片折成一个三棱柱，放在桌上如图②所示，则从左侧看到的面为………………………………(　▲　)

A.　Q　B.　R　C.　S　D.　T

7.　如图，直线是一条河，P、Q两地相距8千米，P、Q两地到的距离分别为2千米、5千米，欲在上的某点M处修建一个水泵站，向P、Q两地供水，现有如下四种铺设方案，图中实线表示铺设的管道，则铺设的管道最短的是…………………………………………(　▲　)

6.　如果把分式中的和都扩大3倍，那么分式的值…………………………(　▲　)

　A.　扩大3倍　B.　 缩小3倍　C.　 缩小6倍　D.　不变

5.　若a＜b，则下列不等式中正确的是…………………………………………………(　▲　)

　A.　a－2＞b－2　B.　－2 a＜－2b　C.　 2－a＞2－b　D.　 m²a＞m²b

4.　神州7号运行1小时的行程约28600000m，用科学记数法可表示为……………(　▲　)

　A.　0.286×10⁸ m　B.　 2.86×10⁷ m　C.　 28.6×10⁶ m　D.　 2.86×10⁵ m

3.　布袋中的5个红球与10个白球除颜色外完全相同，则从布袋中随机摸出一个球是白球的概率为………………………………………………………………………………………(　▲　)

　A.　　B.　　C.　　D.　1

2.　下列计算正确的是……………………………………………………………………(　▲　)

　A.　　B.　　C.　　D.　

1.　9的算术平方根是……………………………………………………………………(　▲　)

　A.　±3　B.　3　C.　－3　D.　81

B

It’s ten to six in the afternoon. Li Kai comes back from school. His mother is not at home and the door is locked (锁着). His brother, Li Qiang, is playing football in the school. He likes sports very much and always plays after school. His sister, Li Jun, likes music. She has to join a music lesson at six every day. Li Kai can’t get into the house, so he brings out a marble(弹珠) and plays near the house.

After about fifteen minutes, Li Kai’s mother comes back with a bag. Li Kai sees her and runs to her. He helps his mother put the bag into the kitchen. Li Kai finds three cakes in the bag. They are his favourite food and he wants to eat.

“The other two are for Li Qiang and Li Jun,” says his mother. “You each have one.”

“But can I have two, Mum?” says the boy.

“Yes, you can. Go and cut yours in half!”

51. Li Kai gets home at _____.

A. 5:10　 　　　　 　　　　　　　 B. 6:10 　　　 　　　　　　　 C. 5:00　 　　 　　　　　　　 D. 5:50

52. Li Kai can not get into his house______________.

　 A. because he comes home early

　 B. because his mother is at home

　 C. because his mother goes out to do some shopping and the door is locked

　 D. because his sister, Li Jun, is playing football

53. How many children does Mr Li have?

　 A. One.　 　　　　　　　　　　 B. Two.　　 　　　　　　　 C. Three.　　 　　　　　　　 D. Four.

2009/2010学年度第二学期七年级英语期末试卷答题卷

(满分100分)