皮皮学，免费搜题
登录
搜题
【简答题】
区域创新的运行机制主要包括学习机制、集体学习机制和()。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The passage is about a girl ______.
A.
who came to visit her grandfather
B.
who had been away in college and came back home
C.
who returned home later than the appointed time
D.
who ran away from home and returned
【简答题】什么方法的重写?怎样在子类中使用被子类重写的父类方法?
【单选题】Who ______ the right answer to the question? [ ]
A.
came up with
B.
came up
C.
caught up with
D.
find out
相关题目：