节目成本
参考答案：
是指一个节目从开始构思至完成播出或销售工作所使用的所有经费的总和。包括物资消耗费用，人员成本及发行、销售成本。
由于汗液中无机盐的浓度低于体液中的浓度，一般情况下，运动中没有必要补充无机盐。 ( )
At an outpatient clinic, a client asks the nurse how she can prepare for pregnancy. Which of the following responses by the nurse would be best
A．"Begin an iron supplement of 100 mg daily. "
B．"Supplement your diet with 400 meg of folio acid. "
C．"Avoid raw eggs and cats until conception. "
D．"Receive immunization against toxoplasmosis. "
