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【单选题】
关于单摆,下列说法中正确的是 ( ) A .摆球运动的回复它受到的合力 B .摆球在运动过程中经过轨迹上的同一点时,加速度是不变的 C .摆球在运动过程中加速度的方向始终指向平衡位置 D .摆球经过平衡位置时,加速度为零
A.
1
B.
2
C.
3
D.
4
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举一反三
【单选题】______ the distance was too long and the time was short, we decided to fly there instead.
A.
Discovering
B.
To discover
C.
To have discovered
D.
Discovered
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【单选题】下列人物中,不属于中法战争中抗击侵略者的是()。
A.
刘铭传
B.
刘永福
C.
邓世昌
D.
冯子材
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【单选题】产生测量误差的因素主要有________。
A.
计量器具的误差      2、测量方法误差
B.
安装定位误差        4、环境条件所引起的误差
C.
1,2,3
D.
2,3,4
E.
1,3,4
F.
1,2,3,4
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【简答题】产生测量误差的因素主要有三方面,即观测者,测量仪器和观测过程中的 。
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【单选题】Four thousand kilometers _________ not a short distance.
A.
is
B.
are
C.
was
D.
were
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【判断题】网站有大量的优质原创内容，就不需要SEO。()
A.
正确
B.
错误
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【单选题】____ the distance was too far and the time was short, we decided to fly there instead of going there by train.
A.
Discovering
B.
To discover
C.
To have discovered
D.
Discovered
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【单选题】______ the distance was too long and the time was short, we decided not to drive to Florida.
A.
Discovering
B.
To discover
C.
To have discovered
D.
Discovered
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【简答题】A．Somewhere that is within a short distance of campus. B．An apartment without furnitures. C．A place where she can live alone. D．An apartment whose rent is very low.
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【简答题】A．Somewhere that is within a short driving distance of campus. B．An apartment with furniture already in it. C．A place where she can live alone. D．A big house with a parking space.
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相关题目：
【单选题】______ the distance was too long and the time was short, we decided to fly there instead.
A.
Discovering
B.
To discover
C.
To have discovered
D.
Discovered
查看完整题目与答案
【单选题】下列人物中,不属于中法战争中抗击侵略者的是()。
A.
刘铭传
B.
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C.
邓世昌
D.
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【单选题】产生测量误差的因素主要有________。
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计量器具的误差      2、测量方法误差
B.
安装定位误差        4、环境条件所引起的误差
C.
1,2,3
D.
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【简答题】产生测量误差的因素主要有三方面,即观测者,测量仪器和观测过程中的 。
查看完整题目与答案
【单选题】Four thousand kilometers _________ not a short distance.
A.
is
B.
are
C.
was
D.
were
查看完整题目与答案
【判断题】网站有大量的优质原创内容，就不需要SEO。()
A.
正确
B.
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【单选题】____ the distance was too far and the time was short, we decided to fly there instead of going there by train.
A.
Discovering
B.
To discover
C.
To have discovered
D.
Discovered
查看完整题目与答案
【单选题】______ the distance was too long and the time was short, we decided not to drive to Florida.
A.
Discovering
B.
To discover
C.
To have discovered
D.
Discovered
查看完整题目与答案
【简答题】A．Somewhere that is within a short distance of campus. B．An apartment without furnitures. C．A place where she can live alone. D．An apartment whose rent is very low.
查看完整题目与答案
【简答题】A．Somewhere that is within a short driving distance of campus. B．An apartment with furniture already in it. C．A place where she can live alone. D．A big house with a parking space.
查看完整题目与答案