【单选题】采掘工作面进风流中,氧气浓度不得低于()。
【判断题】语言的自组织性从协和度低的方向向协和度高的方向发展。()
【判断题】语言的自组织性从协和度高的方向向协和度低的方向发展。()
【单选题】新产品开发筛选必须考虑的两个重要因素是:()和企业是否具备足够的实力来开发所构思的新产品。
【单选题】What is the next step of improving one'S listening by watching movies?
A.
Watch the film two more times.
B.
Memorize the scenes and stories.
C.
Listen to the film instead of watching it.
D.
Repeat what the characters say in the film.
【单选题】采掘工作面进风流中,氧气浓度不得低于()。
【单选题】采掘工作面进风流中,氧气浓度不得低于( )。
【多选题】What are the two major purposes in listening? ( )
A.
The first is for social reason.
B.
The first is for answering questions.
C.
The second is to obtain and exchange information.
D.
The second is to take notes.
【单选题】《煤矿安全规程》规定,采掘工作面进风流中氧气浓度不得低于()
【多选题】What are the two models in the listening process?
B.
The top-middle-down model.
C.
The bottom-middle-up model.