案例题新旧教材内容对比<br/> <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240227/21491151_0.png"><br/> <br/> <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240227/21491151_0_1.png">