皮皮学，免费搜题
登录
搜题
【判断题】
在经典条件反射中,强化物出现在反应之前,并引起反应。A.
正确
B.
错误
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
【简答题】改错。 1. Would you like having some tea? 2. We need a egg and some bread. 3. There are some pianoes in the room. 4. I don't like to have some meat now. 5. Let's buy some potatos and carrots. ___________...
【简答题】建筑安装工程费按工程造价形成顺序划分包括( ),( ),其他项目费,规费和税金
【单选题】From Paragraph 2 we learn that the author of the passage __
A.
is a supporter of some modem ideologies
B.
does not think that the adoption of any ideology could prevent war
C.
believes that the adoption of some ideologies could prevent war
D.
has no doubt about the truth of any ideologies
【简答题】简述万能杆件钢塔架的安装方法？
【简答题】建筑安装工程费用按工程造价形成顺序划分包括哪些费用?
【单选题】—We need ____ books about Beijing Opera. —Sorry, we don’t have ____.now.
A.
some, some
B.
any, some
C.
some, any
相关题目：