南征北战：东讨西伐 A.万紫千红：姹紫嫣红  B.古往今来：天南地北  C.朝三暮四

以下疾病中早期易出现蜂窝肺改变的是 （）

A.硅沉着病

B.结节病

C.寻常性间质性肺炎

D.狼疮性肺炎

E.慢性支气管炎

妇女若从事过重的体力劳动，或不适当的剧烈活动，可致月经______；妊娠期可引起______、______、______、产后过早活动，易致______。

More than 6000 children were expelled(开除) from US schools last year for bringing guns and bombs to school, the US Department of Education said on May 8.

The department gave a report on the expulsions as saying handguns accounted for 58 percent of the 6093 expulsions in 1996—1997, against 7 percent for rifles(步枪) or shotguns and 35 percent for other types of firearms.

"The report is a clear sign that our nation’s public schools are cracking down(严惩)on students who bring guns to school", Education Secretary Richard Riey said in a statement, "We need to be tough-minded(坚强的) about keeping guns out of our schools and do everything to keep our children safe. "

In March 1997, an 11-year-old boy and a 13-year-old using handguns and rifles shot dead four children and a teacher at a school in Jonesboro, Arkansas. In October, two were killed and seven wounded in a shooting at a Mississippian school. Two months later, a 14-year-old boy killed three high school students and wounded five in Daducab, Kentucky.

"Most of the expulsions(开除), 56 percent, were from high schools, which have students from about age 13, 34 percent were from junior high schools and 9 percent were from elementary schools. " The report said.

The report from the US Department of Education shows that（）.

A．the number of the expulsions is now large

B．the number of the expulsions is wrong

C．there are soldiers hiding among the students

D．guns are out of control in US schools

活塞连杆组由（）组成

A.活塞，活塞环，活塞销，连杆等

B.活塞，飞轮，活塞销，连杆

C.活塞，轴瓦，活塞销，连杆等

股份有限公司募集成立的程序，按时间先后作出的以下四种排列，哪一个是正确的( )

A．①制作招股说明书；②发起人认购股份；③召开创立大会；④签订承销协议和代收股款协议；⑤申请批准募股；⑥公开募股；⑦申请设立登记

B．①制作招股说明书；②签订承销协议和代收股款协议；③申请批准募股④发起人认购股份；⑤公开募股；⑥召开创立大会；⑦申请设立登记

C．①发起人认购股份；②签订承销协议和代收股款协议；③申请批准募股；④制作招股说明书；⑤公开募股；⑥召开创立大会；⑦申请设立登记

D．①发起人认购股份；②制作招股说明书；③签订承销协议和代收股款协议；④申请批准募股；⑤公开募股；⑥召开创立大会；⑦申请设立登记