A:正极反应为:Zn-2e-===Zn2+
B:电池反应为:Zn+Cu2+===Zn2++Cu
C:在外电路中,电子从正极流向负极
D:盐桥中的K+移向ZnSO4溶液
系:jì____ xì____ 陆:lù____ liù____
曲:qū____ qǔ____ 似:sì____ shì____
— If I work hard at my lessons from now on. Can I do well in them?
— Sure. .