造成彩色信号闪烁伪像的原因是（）。
A.深呼吸
B.增益太低
C.高通滤波
D.高速标尺
E.移动零位基线
参考答案：A
86.25-（19.8-3.75）-4.2．
Which of the following would the nurse expect to include in a community health program designed to control sexually transmitted diseases (STDs)
A．Mass screening of all individuals.
B．Location of the possible sources of infection.
C．Treatment of those with the disease.
D．Isolation of those suspected of having STDs.
