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【单选题】
如图所示电路，根据叠加定理，求2V电压源单独作用时，电压V的分量。【图片】A.
0V
B.
1V
C.
2V
D.
3V
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【简答题】出卖法是政府委托推销机构利用金融市场直接售出国债。( )
【简答题】政府委托推销机构利用金融市场直接售出国债的国债发行方法是（ ）。
【单选题】For the standard F-test, which statement is correct?
A.
the standard F-test should not be used under heteroskedasticity.
B.
the standard F-test should not be used in testing a single restriction.
C.
the standard F-test is applicable when error terms show serial correlation
D.
the standard F-test should not be used when regressors show near-mulcollinearity.
【简答题】Section D. 19. How many books can a student borrow? books.
【单选题】Why did the writer’s father keep his old battle jacket?
A.
To show how dangerous his role in D-Day had been.
B.
To demonstrate his loyalty to his old regiment.
C.
To remind himself that he’d been very lucky.
【简答题】He did keep his word.
【简答题】How many books can a student borrow? ______ books
【单选题】毛氏I1错牙合畸形的主要机制是
A.
牙量相对大于骨量
B.
牙量相对小于骨量
C.
上下颌或上下牙弓的宽度过小
D.
上颌或上下牙弓的长度过大
E.
下颌或下牙弓的长度过大
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