如图所示,某电子电路的输入端输入电流既有直流成分,又有交流低频成分和交流高频成分.若通过该电路只把交流的低频成分输送到下一级,那么关于该电路中各器件的作用,下列说法中正确的有( )
A:L在此的功能为通直流,阻交流,叫高频扼流圈
B:C1在此的功能为通交流,隔直流,叫隔直电容
C:C2在此的功能为通高频、阻低频,叫做高频旁路电容
D:上述说法都不对
Hello. I'm Lucy. Let's meet my family. I'm twelve years old. My year is the year of the pig. My mother is thirty-six years old. Her year is also the year of the pig. My father is thirty-seven years old. His year is the year of the dog. My brother is two years old. His year is the year of the rooster.
⑴Lucy ____ A.12 a.
⑵Father ____ B.2 b.
⑶Mother ____ C.37 c.
⑷Brother ____ D.36
辨字组词。
栅:____ 诺:____ 棘:____ 睽:____
姗:____ 喏:____ 辣:____ 葵:____
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