A. 唾液酶 B. 蛋白酶 C. 脂肪酶 D. 淀粉酶
A. 因机施教 B. 因材而授 C. 教必内动 D. 教必力行
A. Network, Application & User Monitoring B. Network Planning C. Security Analysis D. Accounting/Billing
A. 正确 B. 错误