单细胞真菌是
A．以芽生方式繁殖
B．以二分裂的形式繁殖
C．以有丝分裂方式繁殖
D．以复制的形式繁殖
E．以裂解的形式繁殖
参考答案：A
Susan was just _____ at those pigeons at the time, so I don’t think she saw me.
A．spotting
B．watching
C．glaring
D．staring
A．U=vBl，流过固定电阻R的感应电流由b到d
B．U=vBl，流过固定电阻R的感应电流由d到b
C．U=vBl，流过固定电阻R的感应电流由b到d
D．U=vBl，流过固定电阻R的感应电流由d到b
vBl
vBl