慢性肾功能不全患者突发抽搐、意识丧失、心脏骤停而死，其死亡原因可能是（） A.代谢性

根据电话内容，设计一个来电信留言。

A: Hello! May I speak to Ann?

B:  I'm sorry she isn't in. Who is that?

A: This is Tom speaking. Tom Green. Is that Mrs Brown?

B: Yes. I'm Ann's mother. Can I take a message?

A: That's very kind of you, Mrs Brown. I'm sorry to tell you that our teacher Miss Gao is ill in hospital.

    And we want to go to the hospital to see her tomorrow.

B: I'm sorry to hear that I'll let Ann know. When are you going to the hospital;?

A: We'll meet her at 9:00 at the gate of the People's Hospital.

B: OK. I'll tell her as soon as she comes back.

A: Thanks. Good bye!

B: Bye!

有史学家说：“（春秋战国时期）完全的、自由的土地所有权，不仅意味着毫无阻碍和毫无限制地占有土地的可能性，而且也意味着把它出让的可能性。”此现象出现的根本原因在于

A．手工业的发展

B．铁器和牛耕的使用

C．商品经济的发展

D．地主土地私有制的确立

Last month they went to travel with some friends of ______.[ ]

A. they      

B. them            

C. their              

D. theirs

常用的塑料管有()。

A．硬聚氯乙烯(PVC)管

B．聚乙烯(PE)管

C．聚丙烯(PP)管

D．耐酸酚醛塑料管

狭窄性腱鞘炎所侵及的肌腱是（）

A.拇短展肌与拇对掌肌

B.小指展肌与拇短屈肌

C.拇对掌肌与小指收肌

D.拇短屈肌与小指对章肌

E.拇长展肌与拇短伸肌