【判断题】曲线运动时,质点的速度方向是沿着轨道的切线方向
【判断题】所谓同步是指转子磁场与定子磁场以相同的方向和相同的速度旋转。
【单选题】企业的微观环境包括营销中介企业、顾客、竞争者、社会公众和( )。
【单选题】女性,68岁。有慢性咳嗽。咳痰史30年,近三年来出现进行性呼吸困难加重,伴发绀,双下肢水肿,应考虑为
【多选题】What are the factors that may cause reluctance for the learners to speak?
B.
Low proficiency in English.
C.
Psychological / affective factors.
D.
Learners’ prior learning experiences and the expectations created by these experiences.
【单选题】Which of the following factors may NOT be the cause of Nathan Rothschilds death?
A.
Failure to get timely treatment.
B.
A fatal wound on his back.
D.
Lack of good medicine and operation technique.
【多选题】【2018年真题•多选】道教供奉的“四御”有( )o
【单选题】All of the following are factors to help cause the shift from pure to applied science EXCEFT
A.
the commitment on large scale.
C.
private and government tendencies.
D.
complicated equipment and advanced laboratories.
【单选题】患者,女性,68岁。有慢性咳嗽、咳痰史30年,近3年来出现进行性呼吸困难加重,伴发绀,双下肢水肿,应考虑为
【单选题】The two major factors that cause changes in meaning are ______.
A.
historical reason and class reason
B.
historical reason and psychological reason
C.
class reason and psychological reason
D.
extra-linguistic factors and linguistic factors