我国地形的特点是（　　）

若关于x的一元一次不等式组 $\{\begin{array}{c}3-2x>1\\ x-a>0\end{array}$ 恰有3个整数解，那么a的取值范围是（   ）

电子计算器中所用纽扣式电池为银锌电池，其电极分别为Ag₂O和Zn，电解质溶液为KOH溶液，电极反应为Zn+2OH^﹣﹣2e^﹣═Zn（OH）₂，Ag₂O+H₂O+2e^﹣═2Ag+2OH^﹣，总反应式为Ag₂O+H₂O+Zn═Zn（OH）₂+2Ag．下列叙述不正确的是（　　）

根据短文理解，选择正确答案。

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