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【单选题】
在框架结构计算中，现浇钢筋混凝土结构中，内的纵向受力钢筋都将穿过节点或锚入节点区，这时节点应简化为()节点。A.
刚接
B.
铰接
C.
固接
D.
滑动铰接
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【简答题】放大器的静态工作点过高可能引起____失真,过低则可能引起____失真。
【单选题】The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals（）they travel through the ionosphere and troposphere.
A.
as
B.
that
C.
what
D.
where
【多选题】CATV is a short way of saying “community antenna( 天线 ) television.” But “cable television” is the term most people use. Cable television allows 46 to receive TV programs that they cannot pick up with ...
A.
follow F. special K. money
B.
into G. empty L. charge
C.
move H. for M. cost
D.
regular I. reach N. viewers
E.
from J. watchers O. extra
【单选题】In neuronal signaling, the chemical messenger is a neurotransmitter (acetylcholine, for example). Electrical signals (nerve impulses) originate in the cell body of a neuron and travel very rapidly ove...
A.
0.3
B.
0.6
C.
1
D.
2
【单选题】A 56Kbps Modem is a divice that translates the ( )aignals from your computer into analog signals that can travel over a standard phone line, and it can sends data at 56,000 bits per second.
A.
analog
B.
voice
C.
digital
D.
mouse
【简答题】放大器的静态工作点过高可能引起#tk#失真,过低则可能引起截止失真。
【简答题】放大器的静态工作点过高可能引起 #tk#失真,过低则可能引起截止失真。分压式偏置电路具有自动稳定静态工作点的优点。
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