在□ABCD中,AB=3,BC=4,则□ABCD的周长等于( )
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被誉为传播学经典的传播模式是()
A.马斯洛多向传播
B.施拉姆双向传播
C.拉斯韦尔五因素
D.华生七因素
E.格林互动传播
For a ship with longitudinal inclination,an increase in GML causes().
A.list to stabilize at an angle of loll
B.trim to stabilize at an angle of loll
C.trim to increase
D.trim to decrease