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【判断题】
超静定结构的自由度等于零。()A.
正确
B.
错误
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【单选题】Which of the following does not account for young adults returning to the nest?
A.
Young adults find housing costs too high.
B.
Quite a number of young adults attend local schools.
C.
Young adults seek parental comfort and moral support.
D.
Young adults are psychologically and intellectually immature.
【单选题】Which of the following does not account for young adults returning to the nest?
A.
Young adults find housing costs too high.
B.
Young adults are psychologically and intellectually immature.
C.
Young adults seek parental comfort and moral support.
D.
Quite a number of young adults attend local schools.
【简答题】若 |x|-3 x 2 -2x-3 的值为零，则x的值是______．
【简答题】若 x 3-x = x 3-x ，则x的取值范围是（ ） A．x＜3 B．x≤3 C．0≤x＜3 D．x≥0
【单选题】Which of the following docs NOT account for young adults returning to the nest?
A.
Young adults find housing costs too high.
B.
Young adults are psychologically and intellectually immature.
C.
Young adults seek parental comfort and moral support.
D.
Quite a number of young adults attend local schools.
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