【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.
【简答题】请根据本课程第一次授课内容写一篇课程体会(要求:手写,至少一页学校信签纸,注意格式并署名;拍照后上传至学习通;纸质版的请班长在下次上课前理好顺序给我)。
【判断题】( )服务员上岗时可带手表、手镯和手链。
【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】陶行知先生的“捧着一颗心来,不带半根草去”的教育信条体现了教师( )的素养。
【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