皮皮学，免费搜题
登录
搜题
【单选题】
灭火器的种类有（）种。A.
6
B.
7
C.
8
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】Teaching is supposed to be a professional activity requiring long and complicated training as well as official certification. The act of teaching is looked upon as a flow of knowledge from a higher so...
A.
The author believes that it is not difficult to be a good teacher.
B.
The author believes that every person has the potential to be a teacher.
C.
The author believes that teaching is a professional activity requiring special training.
D.
The author believes that teaching is the flow of knowledge from a higher source to an empty container.
【判断题】There is a 200 - square - meter training room in the fitness center on board.
A.
正确
B.
错误
【简答题】淡水生物有哪些生态类群?各有何特点?
相关题目：