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【单选题】
下列说法中不正确的是( )
A.
误差是测量值与真值之差
B.
偏差是测量值与算术平均值之差
C.
通过一次测量即可求出标准偏差S x，所以称之为单次测量的标准偏差
D.
我们在试验中用的是平均值的标准偏差作为随机误差的估计值
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【简答题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics and war. ...
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【单选题】We have two new . [     ]
A.
a friend
B.
friend
C.
friends
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【单选题】一辆汽车静止不动,我们可以得出地球向下拉汽车的引力和地球对汽车向上的接触力大小相等,方向相反。这是因为
A.
这两个力是一对作用力和反作用力
B.
汽车所受的净外力等于零
C.
这两个力都作用在汽车上
D.
以上都不对
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【单选题】I have two ______ . Do you know _____ ? [     ]
A.
friend; they
B.
friends;  them
C.
friends; they
D.
sister; them
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【单选题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes, Most【B1】history courses primarily concentrate on polities, economies, and...
A.
usual
B.
typical
C.
average
D.
popular
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【单选题】I have two good _____________. [     ]
A.
friend
B.
a friend
C.
friends
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【单选题】Passage 2 A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics...
A.
art history shows us nothing but the political values
B.
general history only focuses on politics
C.
art history gives us an insight (洞察力) into the essential qualities of a time and a place
D.
general history concerns only religious beliefs, emotions and psychology
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【单选题】I have two friends. _____ are Peter and Sandy. [     ]
A.
He
B.
You
C.
They
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【单选题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics, and war....
A.
shows us the religious beliefs and emotions of a people in addition to political values
B.
provides us with information about the daily activities of people in the past
C.
gives us an insight into the essential qualities of a time and a place
D.
all of the above
查看完整题目与答案
【单选题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics, and war....
A.
shows us the religious and emotions of a people in addition to political values
B.
provides us with information about the daily activities of people in the past
C.
gives us an insight into the essential qualities of a time and a place
D.
all of the above
查看完整题目与答案
相关题目：
【简答题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics and war. ...
查看完整题目与答案
【单选题】We have two new . [     ]
A.
a friend
B.
friend
C.
friends
查看完整题目与答案
【单选题】一辆汽车静止不动,我们可以得出地球向下拉汽车的引力和地球对汽车向上的接触力大小相等,方向相反。这是因为
A.
这两个力是一对作用力和反作用力
B.
汽车所受的净外力等于零
C.
这两个力都作用在汽车上
D.
以上都不对
查看完整题目与答案
【单选题】I have two ______ . Do you know _____ ? [     ]
A.
friend; they
B.
friends;  them
C.
friends; they
D.
sister; them
查看完整题目与答案
【单选题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes, Most【B1】history courses primarily concentrate on polities, economies, and...
A.
usual
B.
typical
C.
average
D.
popular
查看完整题目与答案
【单选题】I have two good _____________. [     ]
A.
friend
B.
a friend
C.
friends
查看完整题目与答案
【单选题】Passage 2 A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics...
A.
art history shows us nothing but the political values
B.
general history only focuses on politics
C.
art history gives us an insight (洞察力) into the essential qualities of a time and a place
D.
general history concerns only religious beliefs, emotions and psychology
查看完整题目与答案
【单选题】I have two friends. _____ are Peter and Sandy. [     ]
A.
He
B.
You
C.
They
查看完整题目与答案
【单选题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics, and war....
A.
shows us the religious beliefs and emotions of a people in addition to political values
B.
provides us with information about the daily activities of people in the past
C.
gives us an insight into the essential qualities of a time and a place
D.
all of the above
查看完整题目与答案
【单选题】A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes. Most typical history courses concentrate on politics, economics, and war....
A.
shows us the religious and emotions of a people in addition to political values
B.
provides us with information about the daily activities of people in the past
C.
gives us an insight into the essential qualities of a time and a place
D.
all of the above
查看完整题目与答案
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