A:a>b>c
B:a>c>b
C:b>c>a
D:b>a>c
小华觉得最大称量时,该模拟电路的电流示数至少应该过满量程的一半,则应选择定值电阻:R2=20欧、R3=5欧和R4=1欧中哪个替换R0,替换后,最大称量时,电流表示数多大?
— The weather report says we are expecting another big snow storm tomorrow.
—________ . I planned to go mountain climbing with my classmates.