多媒体教学系统是()环境的重要组成部分,是实现现代化教学的基础条件。
A.现代化
B.信息化
C.便捷化
D.标准化
参考答案:B
微脉具有的脉象特征是()
A.极细极软,按之欲绝,若有若无
B.脉细如丝,应指明显
C.极软而沉细
D.浮大无根,应指散漫
E.浮而细软
Everything ()if Albert hadn't called the fire brigade.
A.will be destroyed
B.will have been destroyed
C.would bedestroyed
D.would have been destroyed