学习方式是指为使学生掌握课程内容、达到教育目标而规定的（）学习活动的类型、方法、途径的总和。
参考答案：学生
When he realized the police had seen him, the man ______ the exit as quickly as possible.
A．made off
B．made for
C．made out
D．made up
什么是抖动/漂移转移特性？
