电气控制线路图中，各组成电路的功能和作用在（）的方格中标明。 A.图下部 B.图左侧

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

. Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky, __9

A．though

B．also

C．either

D．too

下列有关社区诊断的描述不正确的是

A．通过一定的定性与定量调查研究方法、方式和手段，收集必要的资料

B．通过科学、客观地分析，确定并得到社区人群认可的该社区的主要公共卫生问题

C．通过对患者各种体征和生化指标的综合分析，给患者所患疾病作出专业结论

D．摸清本社区内疾病的分布情况，找出影响社区人群的主要健康问题及其影响因素

E．了解卫生资源和服务的提供与利用情况，为社区卫生服务计划的制订提供科学依据

根据《生产安全事故报告和调查处理条例》(国务院令第493号)，对事故发生单位落实防范和整改措施的情况进行监督检查的部门应是( )。

A．安全生产监督管理部门和负有安全生产监督管理职责的有关部门
B．工会组织
C．监察机关和人民法院
D．公安机关和司法机关

扫描总剂量不变，CT的采样频率越高，结果是：()

A．密度分辨率越高

B．噪声越小

C．密度分辨率降低

D．空间分辨率降低

E．低对比度分辨率越高