皮皮学，免费搜题
登录
搜题
【单选题】
奖励那些所希望的行为以使其重复出现，这是强化类型中的( )A.
正强化
B.
惩罚
C.
自然消退
D.
负强化
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】选词填空time for reach for at the moment team invite appetite come across put up pastime beware 1.The 2008 Beijing Olympic s were such a good _____________ the world to know more about China. 2.Sorry,...
【单选题】To keep the aircraft from moving while it is on the jack， the wheels that are not jacked should be securely ____________.
A.
blocked
B.
clogged
C.
chocked
D.
stopped
【简答题】选词填空。 It's What's A: ___________ this? B: ___________ a desk.
【单选题】The four-wheeler was lost to sight, the sound of the slow wheels ().
A.
died away
B.
died off
C.
dying away
D.
dying off
相关题目：
参考解析：
知识点：
题目纠错 0
发布
