【判断题】若质点系的动量守恒,那么该质点系所受外力系为平衡力系。
【单选题】计算毛利时,毛利=销售收入-销售成本,有关销售收入和销售成本说法错误的是()
A.
销售收入按含税德价格计算,销售成本按不含税的价格计算
C.
销售收入按不含税的价格计算,销售成本按含税的计算
【单选题】Which of the following is in agreement with the logic behind such a dressing change the passage deals with?
A.
As America's economy slows, business casualty proves rather too casual.
B.
People in America are getting fed up with casual dress recently.
C.
Women wear suits and trousers to show their full equality with men in workplace.
D.
Workers intend to rely on their dressing to improve their social status.
【判断题】若一质点系所受合外力在直角坐标系的某个坐标轴上的分量为零,那么它在该坐标轴方向的动量分量守恒。
【单选题】Which of the following statements is INCORRECT?
A.
A language is a means of expressing a particular culture.
B.
All languages can well express their respective cultures
C.
American Indian languages are as sophisticated as English
D.
Some languages are better than other languages
【简答题】Which of the following costs are payable by the charterer under a time charter party. ( )
【简答题】Which of the following statements can best summarize the author' s view in the passage?
【单选题】All of the following are examples of issues that the organization described in the last paragraph would be likely to advise corporations on EXCEPT______.
B.
health and safety regulations
C.
retirement and pension programs
D.
how to develop new markets