A. 低压 B. 中压 C. 中高压 D. 高压
A. 正确 B. 错误
A. 晚三天 B. 早三天 C. 晚二天 D. 早二天
A. 精加工策略 B. 支持策略 C. 资源管理策略 D. 元认知策略
A. which; has leaded B. which; has been leading C. that; has leaded D. that; has been leading