第1题
A、A) increase and continue to increase unabated.
B、B) increase until the new steady state is reached.
C、C) decrease until the new steady state is reached.
D、D) decrease and continue to decrease unabated.
第3题
A.point B.appoint C.disappoint D.point out
第4题
A、increase the steady state error
B、slow the response
C、attenuate the amplitude of vibration
D、increase the natural frequency
第5题
第6题
第7题
第9题
听力原文:What is the acceleration?
(15)
A.A kind of motion.
B.A steady speed.
C.The motion of a plane.
D.An increase in speed.
第10题
A.decrease dramaticlly
B.increase dramaticaly
C.remain steady
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