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【单选题】
—What do you think of the music teacher? —________ she is an elegant lady, she can be extremely difficult to work with. [ ]A.
Even if
B.
As
C.
Because
D.
While
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【简答题】All connecting passengers should_____________(前进)to the transit counter and go through the procedures for their connecting flight.
【多选题】关于双线性变换法设计IIR滤波器不正确的说法是（ ）
A.
双线性变换是一种线性变换
B.
不能用于设计高通和带阻滤波器
C.
双线性变换法将线性相位的模拟滤波器映射为一个线性相位的数字滤波器
D.
需要一个频率非线性预畸变
【简答题】Passengers who are just like you with something to declare should go through the red channel.A. 像您这样需要申报物品的旅客走红色通道。
【单选题】Passengers who have items to declare should go ________ the red channel.
A.
to
B.
past
C.
in
D.
through
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