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【单选题】
在研究教学方法与学习成绩的关系中,下列哪个因素可能为外变量?A.
教学方法
B.
学习成绩
C.
开始新教学法的时间
D.
学生的智力水平
E.
教学水平
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皮皮学刷刷变学霸
举一反三
【单选题】The teachers often tell us _________ in the river. It’s erous. A. not swim B. don’t swim C. not swimming D. not to swim
A.
not swim
B.
don’t swim
C.
not swimming
D.
not to swim
【简答题】中兴SDH设备主要功能模块有: 、 、 、 和主控单元。
【单选题】What's the main reason for big cities to build their own recycling plants?
A.
To deal with wastes in a better way.
B.
To protect the environment from pollution.
C.
To get raw materials locally.
D.
To get big profits from those plants.
【单选题】The boys don’t know ___________.
A.
how do they swim
B.
how swim
C.
they how swim
D.
how to swim
【单选题】What's the main reason for big cities to build their own recycling plants?
A.
To deal with waste in a better way.
B.
To protect the environment from pollution.
C.
To get raw materials locally.
D.
To get big profits from those plants.
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