【简答题】通过文件的学习, 请写出印象最深的5种。另外你还知道哪些文章没有提及的设备?
【多选题】机器设备的重置成本应该包括机器设备的( )。
【单选题】The old lady was suffering from the empty nest syndrome for so long that she felt like to find someone she could talk to her.
A.
to find someone to talk
B.
finding someone to talk
C.
to find someone to talk to
D.
finding someone to talk to
【判断题】在丙类谐振功放电路中,基极并馈电路是指输入信号、基极偏置电源、三极管的发射结是处于并联关系。( )
【单选题】_______at his son, the old lady felt _______.
A.
surprised ,disappointed
B.
surprised , disappointing
C.
surprising, disappointing
D.
surprising, disappointed