图示电路原已处于稳态，开关S断开后的响应。

A、正确
B、错误

Magic realism is a Latin-American narrative strategy th...

单项选择题Magic realism is a Latin-American narrative strategy that includes fantastic or mythical elements into seemingly realistic fictions.
A、正确
B、错误

中药饮片的结构鉴别可以采用： A、化学法 B、光谱法 C、色谱法 D、显微鉴别法

单项选择题中药饮片的结构鉴别可以采用：
A、化学法
B、光谱法
C、色谱法
D、显微鉴别法

The basic idea of present value of multiple cash flows ...

单项选择题The basic idea of present value of multiple cash flows calculated by discounting back one period at a time is
A、from the farthest cash to discount back one period and plus the previous period cash flow, then to discount back one period again and then plus the previous period cash flow, and to continue the preceding process until present value is calculated
B、from the farthest cash to discount back one period, then to discount back one period again, and to continue the preceding process until present value is calculated
C、from the farthest cash to compound and plus the previous period cash flow, then to compound again and then plus the previous period cash flow, and to continue the preceding process until present value is calculated
D、from the farthest cash to compound, then to compound again, and to continue the preceding process until present value is calculated