问题
单项选择题
对排列图的观察与分析，累计百分数在80%～90%之间的因素为( )。
A．系统因素
B．次要因素
C．一般因素
D．偶然因素
答案
参考答案：B
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对排列图的观察与分析，累计百分数在80%～90%之间的因素为( )。
A．系统因素
B．次要因素
C．一般因素
D．偶然因素
参考答案：B
| 读一读，选词填空，完成对话。 | |
Jenny: It's an eraser. Li Ming: Is this _________ eraser, Jenny? Jenny: No, Li Ming. It is not _________ eraser. It is yellow. Li Ming: Is it Steven's eraser? Jenny: _________, Li Ming. It is not _________ eraser. _________ has a blue eraser. Is it Kim's eraser? Li Ming: _________, it is not _________ easer. _________ has a pink eraser. Is it Danny's eraser? Jenny: _________, it is _________ eraser. He has a yellow eraser. |