【判断题】极限环是指即使系统的输出为零,在反馈回路中持续存在固定频率和振幅的振荡。
【单选题】The businessman prefer to see in his employees______.
A.
the willingness to work alone on academic research
B.
the ability to do simple calculations and plain guesswork
C.
the willingness to take business risks
D.
the ability to solve problems in the real world
【单选题】Willingness to pay
A.
measures the value that a buyer places on a good.
B.
is the amount a seller actually receives for a good minus the minimum amount the seller is willing to accept.
C.
is the maximum amount a buyer is willing to pay minus the minimum amount a seller is willing to accept.
D.
is the amount a buyer is willing to pay for a good minus the amount the buyer actually pays for it.
【单选题】A seller’s willingness to sell is
A.
measured by the seller’s cost of production.
B.
to her supply curve as a buyer’s willingness to buy is to his demand curve.
C.
less than the price received if producer surplus is a positive number.
D.
All of the above are correct.
【单选题】Willingness to collaborate may imply
B.
b. use of loaded language
【判断题】当零件的表面精度越高,其表面粗糙度值应越小。( )
【单选题】Conversation calls for (a) willingness to alternate the role of speaker with (one) of (listener), and it calls for occasional 'digestive pauses' (by) both.
【判断题】只有在纳税期限内实际发生的销项税额,才是法定的当期销项税额