果蔬干制的主要目的是。（）
A通过脱掉果蔬一定量的水分
B来抑制微生物的生长
C酶的活性
D从而延长果蔬制品的货架供应期
参考答案：D
在微型机中微处理器、内存等主要硬件设备都安装在一块( )上。
A．塑料板B．金属板C．芯片D．主机板
The nurse is reviewing discharge instructions with a client after an uncomplicated delivery. Which of the following symptoms is LEAST important in characterizing postpartum depression
A．Crying easily and feeling despondent.
B．Loss of appetite and anxiety.
C．Altered body image.
D．Difficulty sleeping and poor concentration.
