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【单选题】
Z6-02-05 电偶极子的电偶极矩是一个矢量,它的大小是 (其中 是正负电荷之间的距离),它的方向是由___。
A.
正电荷指向负电荷
B.
负电荷指向正电荷
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【判断题】介绍信在结构上一般由标题、称谓、正文、结语、落款这五部分组成。( )
A.
正确
B.
错误
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【简答题】A．Tom will certainly come to repair the stereo. B．Tom cannot repair the stereo. C．Tom doesn't keep his word. D．Tom is very trustworthy.
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【单选题】The t-statistics is
A.
the ratio of a parameter estimate to the standard error of the parameter estimate.
B.
a measure of the interval around the parameter estimate that indicates with 95% accuracy the "true" parameter estimate.
C.
the ratio of the total variation explained by the regression to the total unexplained variation.
D.
the ratio of total variation explained by the regression to total variation.
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【简答题】所谓类的封装是指在定义一个类时,将类中的属性私有化,即使用 关键字来修饰。
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【单选题】--utoCAD的保存格式是
A.
*.DWG
B.
*.MAX
C.
*.Mid
D.
*.PSD
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【判断题】丝巾就是系在颈部的,觉对不可能变身为一件礼服。
A.
正确
B.
错误
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【简答题】A child born to a Chinese or English speaking family takes about the same number of years to acquire their native tongue. Regardless of their .()
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【单选题】青蒿素属于哪种倍半萜成分
A.
五环倍半萜
B.
单环倍半萜
C.
双环倍半萜
D.
三环倍半萜
E.
四环倍半萜
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【单选题】单项选择题。 —What did you do ________ ? —I went to the movies. [     ]
A.
next morning
B.
over the weekend
C.
in the weekend
D.
next Monday
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【单选题】MEMO To: Peter From: Tom The public leaflets for the new model will not be back from the printers until Friday 11 September.
A.
We might have the leaflets before 11 September.
B.
We won't have the leaflets before 11 September.
C.
We are sure to have the leaflets before 11 September.
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相关题目：
【判断题】介绍信在结构上一般由标题、称谓、正文、结语、落款这五部分组成。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】A．Tom will certainly come to repair the stereo. B．Tom cannot repair the stereo. C．Tom doesn't keep his word. D．Tom is very trustworthy.
查看完整题目与答案
【单选题】The t-statistics is
A.
the ratio of a parameter estimate to the standard error of the parameter estimate.
B.
a measure of the interval around the parameter estimate that indicates with 95% accuracy the "true" parameter estimate.
C.
the ratio of the total variation explained by the regression to the total unexplained variation.
D.
the ratio of total variation explained by the regression to total variation.
查看完整题目与答案
【简答题】所谓类的封装是指在定义一个类时,将类中的属性私有化,即使用 关键字来修饰。
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【单选题】--utoCAD的保存格式是
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*.DWG
B.
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C.
*.Mid
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*.PSD
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【判断题】丝巾就是系在颈部的,觉对不可能变身为一件礼服。
A.
正确
B.
错误
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【简答题】A child born to a Chinese or English speaking family takes about the same number of years to acquire their native tongue. Regardless of their .()
查看完整题目与答案
【单选题】青蒿素属于哪种倍半萜成分
A.
五环倍半萜
B.
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双环倍半萜
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三环倍半萜
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【单选题】单项选择题。 —What did you do ________ ? —I went to the movies. [     ]
A.
next morning
B.
over the weekend
C.
in the weekend
D.
next Monday
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【单选题】MEMO To: Peter From: Tom The public leaflets for the new model will not be back from the printers until Friday 11 September.
A.
We might have the leaflets before 11 September.
B.
We won't have the leaflets before 11 September.
C.
We are sure to have the leaflets before 11 September.
查看完整题目与答案