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【单选题】
系统误差是指由于测量系统或测量仪器的不完善、测量技术受限、实验方法不够完善或没有保证正确的实验条件等原因产生的测量值与真实值之间的差别。 根据上述定义，下列情况属于系统误差的是（ ）。A.
百米运动员两次参加比赛的成绩相差0．1秒
B.
分别在松花江上下游采集的水样密度不同
C.
伏安法测电阻时没有考虑电表内阻对实验结果的影响
D.
晚餐饮酒过量对第二天体检血液相关指标检查结果的影响
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【单选题】I wonder if you realize just how many others share your problem. It is so common for people to distort the truth about themselves. Sometimes its just an invented excuse when youre late for something o...
A.
glowing up with
B.
living with
C.
seeking
D.
sticking to
【简答题】上传下图的墙体和地面铺装的绘制截图以及绘制步骤
【单选题】听力原文：Q: How many people will attend the meeting? (15)
A.
About 10 people.
B.
Up to 20 people.
C.
90 people.
D.
120 people.
【简答题】风险的三要素是 、 和 。
【单选题】听力原文： How many men do housework? Recently a European commission tried to find out people's ideas and reactions to the women's movement. As part of the survey, they asked many men and women the questio...
A.
In Britain.
B.
In Italy.
C.
In Denmark.
D.
In Europe.
【单选题】How many people outside cities go into cities to look for jobs each day?
A.
70% of the people.
B.
4% of the people in the world.
C.
More than 75 000.
D.
About 75 000 people.
【单选题】How many people outside cities go into cities to look for jobs each day?
A.
70% of the people.
B.
4% of the people in tile world.
C.
More than 75 000.
D.
About 75 000 people.
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