选择题:关于乳腺X线摄影,说法正确的是()What are the correct statements about mammo

题目内容:

关于乳腺X线摄影,说法正确的是()What are the correct statements about mammography?

A.球管产生低能X射线The X-ray tube produces low-energy X-rays

B.球管产生高能X射线The X-ray tube produces high-energy X-rays

C.软组组对比度高High soft tissue contrast

D.多使用金属钼作为X射线管的阳极靶Metal molybdenum is often used as the anode target of X-ray tube

E.X射线管的阴极和阳极之间是高管电压There is a high voltage between the cathode and anode of the X-ray tube

参考答案:

声阻抗最大的是()Which tissue has the highest acoustic impedance?

声阻抗最大的是()Which tissue has the highest acoustic impedance?A.颅骨skullB.肺lungC.肌肉muscleD.血液blood

查看答案

In Fu Peirong’s definition of philosophy love falls into the

In Fu Peirong’s definition of philosophy love falls into the scope of mild rationality instead of er

查看答案

This marked a 7% increase and the r() of a steady five-year

This marked a 7% increase and the r() of a steady five-year downward trend. (turnaround, U-turn, bac

查看答案

选择工具可以实现对对象的()操作?

选择工具可以实现对对象的()操作?A.移动B.缩放C.旋转()D.复制

查看答案

在当前目录下有数据表文件“Xs.dbf”,执行下列SQL语句后(  )。 SELECT*FROMXS INTO CURS

在当前目录下有数据表文件“Xs.dbf”,执行下列SQL语句后(  )。 SELECT*FROMXS INTO CURSOR XS ORDER BY学号 A.生成一个按“学号”升序的临时表文件,将原来的

查看答案