肺脓肿发病的最主要原因是A.血源播散 B.吸入性肺脓肿 C.继发性支气管肺癌 D.食

题型:单项选择题

问题:

肺脓肿发病的最主要原因是

A.血源播散

B.吸入性肺脓肿

C.继发性支气管肺癌

D.食管穿孔感染穿破至肺形成肺脓肿

E.继发性支气管扩张

考点:卫生资格考试(中初级)呼吸科专业实践能力呼吸科主治医师专业实践能力2
题型:单项选择题

阅读理解

     Come and look at the photo. It’s an American family. The woman in the middle is Beth White. She is

our teacher. The old woman on her right is her mother. She is Mrs. White. The man on her left is her

father, Mr White. He is an artist. The other young woman is Doris White. She is her sister. Doris White

has two children. They are students. Leo Bush is her son and May Bush is her daughter. May sits

between her grandfather and her father.

     "What are they doing?"

     "The family are having a big dinner on Thanksgiving Day(感恩节)."

1. This is          family photo.

A. an American  

B. an English    

C. a Chinese

2. There are          in Beth White’s family.

A. six people    

B. seven people  

C. five people

3. They are having           .

A. sports  

B. a family meeting  

C. a big dinner on Thanksgiving Day

4. Beth’s family name is           .

A. Smith  

B. White  

C. Bush

5. Leo and May’s father is _________.

A. Mr White    

B. Mr Smith  

C. Mr Bush

题型:单项选择题

_____ our club, please! [ ]

A. Join        

B. Join in        

C. Come        

D. Go

题型:单项选择题
如图所示,在x轴上方存在着垂直于纸面向里、磁感应强度为B的匀强磁场,一个不计重力的带电粒子从坐标原点O处以速度v进入磁场,粒子进人磁场时的速度方向垂直于磁场且与x轴正方向成120°角,若粒子穿过y轴正半轴后在磁场中到x轴的最大距离为a,则该粒子的比荷和所带电荷的正负是(  )

A.,正电荷

B.,正电荷

C.,负电荷

D.,负电荷

题型:单项选择题

怎样做到坚持严明纪律和严惩腐败同向发力?

题型:单项选择题

装置全面停电时,以下处理错误的是()。

A、保护好操作人员

B、保护好压缩机、炉子等关键设备

C、保护好催化剂、吸附剂等贵重化工原材料

D、保护好各塔、罐液面不要太高

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