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【单选题】
关于数据与研究的真实性,以下哪一条表述是正确的:A.
由于数据失真会影响到研究的真实性，在记录数据时应该删除哪些误差较大的数据。
B.
由于已经公开发表的成果一般是通过同行评议后发表的，一旦发现捏造后篡改数据的情况，应该由科学共同体共同承担相应的责任。
C.
捏造和篡改数据的研究人员，应该受到包括撤销论文等在内的相应的处罚。
D.
数据与研究的真实性是相对而言的，只要不被发现，捏造和篡改数据有利于多出成果。
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【多选题】如图甲,小球与轻质细杆连接后绕固定点O在竖直平面内做圆周运动,小球经过最低点时的速度大小为v,此时轻杆的拉力大小为F,拉力F与速度的平方 的关系如图所示,图象中的数据a、b及重力加速度g均为已知量,以下说法正确的是( )
A.
数据a与小球的质量无关
B.
数据b与小球的质量无关
C.
只与小球的质量有关，与圆周轨道半径无关
D.
利用数据a、b和g能够求出小球的质量和圆周轨道半径
【单选题】——Did you see Lucy last night ?She must have left home as she was wondering round the town at midnight . ——The fact that she was wondering round the town at midnight she had left home for good .
A.
was not meaning
B.
does not mean
C.
was not mean
D.
would not mean
【单选题】3She stared at the painting, wondering where she it.
A.
saw
B.
has seen
C.
sees
D.
had seen
【简答题】I _____ (am wondering/was wondering) if she could give us the chance.
【单选题】She stared at the painting, wondering where she ______it.
A.
saw
B.
has seen
C.
sees
D.
had seen
【单选题】She stared into the overwhelming darkness, wondering if he was as aware of her presence as ______.
A.
she was of his
B.
she was of him
C.
she did of him
D.
she did of his
【单选题】_____herself wondering whether she had made a mistake, she felt embarrassed and at a loss.
A.
Catching
B.
Caught
C.
Being caught
D.
Having been caught
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