SSS200系统译码器空载电压时，表头指针指示在黑色标区为（）V。
A.10
B.12
C.14
D.16
参考答案：B
4个（ ）是28，32是4的（ ）倍。
Our English teacher is wearing a gold watch, ________are made of small diamonds
A．whose the hands
B．of which hands
C．the hands of which
D．the hands of whom
