春秋五霸中最先取得霸主地位的是( ) A．楚庄王 B．宋襄公 C．齐桓公 D．晋

人体的呼吸系统是由______和______组成的．

Many teenagers(青少年) feel that the most important people in their lives are their friends. They believe that their family members don’t know them as well as their friends do. In large families, it is quite often for brothers and sisters to fight with each other and then they can only go to their friends for some ideas．

It is very important for teenagers to have one good friend or a group of friends. Even when they are not with their friends, they usually spend a lot of time talking among themselves on the phone. This communication is very important in children’s growing up, because friends can discuss something. These things are difficult to tell their family members.

However, parents often try to choose their children’s friends for them. Some parents may even stop their children from meeting their good friends. Have you ever thought of the following questions?

Who chooses your friends?

Do you choose your friends or your friends choose you?

Have you got a good friend your parents don’t like?

Your answers are welcome.

小题1:Many teenagers think that ____ can understand them better.

A．friends

B．brothers

C．sisters

D．parents小题2:When teenagers have something difficult to tell their parents, they usually____

A．stay alone at home

B．fight with their parents

C．discuss it with their friends

D．go to their brothers and sisters for help小题3:The sentence (句子) “Your answers are welcome．” means _______．

A．You are welcome to discuss the questions with us.

B．We have got no idea, so your answers are welcome.

C．Your answers are always right.

D．You can give us all the right answers.小题4:Which of the following is the writer’s attitude(态度)?

A．Parents should choose friends for their children

B．Children should choose everything they like

C．Parents should understand their children better

D．Teenagers should only go to their friends for help小题5:Part of the purpose of this passage is to ___.

A．give information for the parents to make their own judgment (判断)

B．give advice to children who want to choose their friends

C．help parents to find better friends for their children

D．get some information from many readers

28岁初孕妇，妊娠35周，自述剧烈腹痛伴发热、恶心、呕吐半日就诊。B超见子宫如妊娠35周，于子宫底左侧向腔生长一拳头大小肌瘤。查白细胞总数14.4×10⁹/L。在急诊。应告知病人需入院做( )。

A．对症处理，观察病情进展
B．采用黄体生成激素释放激素类似物
C．剖腹切除变性肌瘤
D．行剖宫产，同时切除肌瘤
E．行剖宫产，以后再考虑行肌瘤切除

关于脑干损伤，错误的是

A．原发昏迷

B．双侧瞳孔大小多变

C．双侧病理征阳性

D．高热

E．尿崩

交流高压真空接触器（）通过操作机构实现接触器的合闸操作。

A、弹簧储能机构

B、手动操作机构

C、控制电磁铁

D、液压操作机构