在物流预测的简单平均法中,一般组距越长,平滑的效果越强,预测值越接近数值序列的总平均值。
参考答案:对
阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填人一个适适的词或使用括号中词语的正确形式填空,并将答案填写在答卷标号的相应位置上。
There are times when people are so tired that they fall asleep almost anywhere. We can see a lot of people sleeping on the bus or train on their way home 小题1: work in the evening. A man will be reading the newspaper, and seconds later it appears as if he is trying to eat it. Or he will fall asleep on the shoulder of the stranger sitting next to him. Another place where 小题2: (plan) short sleep goes on is in the lecture hall 小题3: a student will start snoring so loudly that the professor has to ask 小题4: student to shake the sleeper awake. A more 小题5: (embarrass) situation occurs when a student starts falling into sleep and 小题6: weight of the head pushes the arm off the desk, and the movement carries the rest of the body along. The student wakes up on the floor with no memory of getting there. The 小题7: (bad) time to fall asleep is when driving. Police reports are full of accidents that occur when people fall into sleep and go off the road. 小题8: the drivers are lucky, they are not seriously hurt. One woman’s car, for example, went into the river. She woke up in four feet of water and thought that it 小题9: (rain). When people are really tired, 小题10: will stop them from falling asleep — no matter where they are.
女,39岁。双侧颞下颌关节区弹响、不适2年多,明显加重1周。近来因家事繁多、精神紧张、睡眠差并出现紧咬牙,自觉肌肉酸痛。检查:精神忧虑,张口度38mm,张口型偏摆不定,右侧关节开口末及左侧开口初弹响,咬肌、颞肌、翼外肌触痛。右侧上下第二、第三磨牙非工作侧干扰。合适的治疗方案为()。
A.调、心理治疗
B.理疗(消除肌肉疼痛)、治疗关节内病变、心理治疗
C.治疗关节内病变、调
D.心理治疗、理疗
E.心理治疗、理疗、必要时调