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问题 单项选择题

学位论文的文字总复制比小于论文全文（），责令申请人修改论文，导师签署学位论文《修改认定书》提交学院，一周后答辩。

A.5%

B.5%～10%

C.10%～15%

答案

参考答案：A

单项选择题

下列不属于交警主要职责的是( )。

A．依法对道路、行人、车辆和驾驶人员进行管理

B．防止和处理交通事故

C．开展安全宣传教育

D．维护交通秩序，保障交通安全和道路畅通
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单项选择题

Stress is with us all the time. It comes from mental or emotional activity as well as physical activity. It is unique and personal to each of us. So personal, in fact, that what may be relaxing to one person may be stressful to another. For example, if you’’re a busy executive who likes to keep occupied all of the time, "taking it easy" at the beach on a beautiful day may be extremely frustrating, nonproductive, and upsetting. You may be emotionally distressed from "doing nothing." Too much emotional stress can cause physical illnesses such as high blood pressure, ulcers, or even heart disease. Physical stress from work or exercise is not likely to cause such ailments. The truth is that physical exercise can help you to relax and to better handle your mental or emotional stress.

A source of stress NOT specifically mentioned in this passage is________.

A．educational activity

B．physical activity

C．mental activity

D．emotional activity
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