【简答题】坐骨体后下方的粗糙隆起称( ),坐位时将承受体重,是坐骨最底部,可在体表触到。
【判断题】因为 N 型半导体的多数载流子是自由电子,所以它带负电 。
【判断题】因为N型半导体的多数载流子是自由电子,所以带负电。
【多选题】在企业价值链中,每一价值作业活动都有其自身的成本结构。成本结构由如下要素构成:( )。
【单选题】The selection of a lubricating oil depends to a great extent on the operating conditions, _____.
B.
the design of the engine
C.
the type of fuel to be burned
【单选题】It can be inferred that the criterion/criteria for the selection of qualified candidates is/are ______.
A.
the qualification of the applicants
B.
the quality of the applicants' papers
C.
the number of the papers presented
D.
the abstract of the papers submitted
【单选题】To minimize the bias in the selection of respondents, why was each respondent asked about their job role and supervisory responsibilities, their previous experience and working environment?
A.
To have a better understanding about the value and world view of the managers.
B.
To explore the managers' perceptions of equality and diversity policies.
C.
To test the sensitivity of perception and discrimination of the respondents.
D.
To get to know the manager's criteria on working.
【判断题】联系焊缝以及管道和圆筒形压力容器的环焊缝,采用低组配比较合适。()
【简答题】坐位时将承受体重,是坐骨最底部,可在体表触到是 。