河南的道地药材有( ) A．黄连、附子 B．大黄、当归 C．细辛、五味子 D．地黄

A、B两个单摆，当摆角很小的情况下，在相同的时间内A摆动20次，B摆动12次，则A、B两摆长之比为：             。

This is a true story. Tristin Saghin enjoyed the movie Black Hawk Down very much，which is about the conflict in Somalia.The battle scenes and the exciting rescues of people who are dying，interested him greatly.

There was just one problem：Tristin was only 9 years old，and it was thought that movie was not for children. When his parents caught him watching it on TV，they made him turn it off，though he had finished his homework and it was not late. Then one day，Tristin and his family were visiting his grandmother in Mesa，Arizona. Tristin’s 2­year­old sister got out of the house and fell in the backyard pool. Realizing the little girl was missing，the family ran outside，only to find the girl had fallen into the water.

Pulled from the pool and placed on the ground，the child wasn’t breathing. The family called the ambulance (救护车)，but no one knew how to do first aid. No one，that is，except for Tristin. A scene in Black Hawk Down describes a doctor giving first aid. Tristin remembered it. Then the 9­year­old gave first aid to his sister at once and saved her life.

His parents don’t stop him seeing the movies he likes any more. Tristin taught himself how to do first aid but he had never thought he could use it to save his little sister’s life. Any skill can be used in time，so you should always learn.

小题1:Black Hawk Down is a(n)________．

A．war movie

B．comedy

C．action movie

D．love film小题2:Why did Tristin Saghin’s parents order him to turn off the TV?

A．They wanted him to help look after his sister.

B．He often spent too much time watching films.

C．They thought the film was not good for children.

D．He was asked to finish his homework first.小题3:The author’s purpose in writing the text is to advise readers to________.

A．see more movies

B．learn more skills

C．save others bravely

D．do what they like

与气的生成密切相关的脏是（）。

A.心肝脾

B.肺肝肾

C.肺脾肾

D.肝脾肾

E.心肺肾

实物示教与模似操作法是强调通过实践来培训，适用于（）的操作培训。

A、具体服务项目

B、员工上岗前

C、服务知识

D、员工互教

DSA超脉冲减影方式的特点是

A．射线量大

B．图像运动模糊小

C．频率高

D．具有动态解像率

E．脉宽窄