某校共2000名学生，其中七年级占30%，八年级占38%，在一次捐款活动中．九年

B.根据短文内容及首字母提示完成短文（每空一词）

Recently a lot of people have been punished for speaking on their mobile phones while driving. S  1  on the phone requires concentration(集中，专心) and takes a driver’s  a   2  from the road.If you drive after you have consumed alcoholic(含酒精的) drinks, you are a   3  the law and risking your own life as well as the lives of o  4  . If you are with someone else who has been drinking alcohol, even i  5 they had just a glass of beer, do not a  6  them to drive.

There is a fact that driving too fast through city streets is very irresponsible and d  7   . Our city streets are always b  8  with people, cars and bicycles. Drivers have to take the responsibility(责任) to be c   9  _ for people crossing the road, especially older people who may walks   10  and young children who may not look before stepping into the road.

拌制混凝土和砂浆用粉煤灰三氧化硫试验中，II级F类粉煤灰应不大于（）。

A.1.0%

B.2.0%

C.3.0%

D.5.0%

老舍反映抗日战争时期沦陷区人民生活斗争的长篇小说是( )

A．《四世同堂》

B．《骆驼样子》

C．《茶馆》

D．《龙须沟》

资料1：北京京铁有限责任公司(110891××××)订购进口一批热拔合金钢无缝锅炉管(属法定检验检疫和自动进口许可管理商品，法定计量单位为千克)，委托辽宁抚顺辽抚锅炉厂有限责任公司 (210491××××)制造出口锅炉。载货运输工具于2007年4月10日申报进境，次日辽宁龙信国际货运公司(210298××××)持经营单位登记手册和相关单证向大连大窑湾海关申报货物进口。保险费率3‰。

资料2

资料3

资料4

资料5

请根据以上资料，选择以下栏目的正确选项：

“进口日期”栏：（）。

A．07.04.10

B．2007.04.10

C．2007/04/10

D．2007.04.11

空间数据库管理的方式有哪几种，各有什么优缺点？