【单选题】According to the International Labor Organization, labor standards need to be “international” because:
A.
the establishment of fair and equitable international labor standards helps promote world peace.
B.
the establishment of internationally uniform labor standards is a matter of both justice and humanity.
C.
only internationally effective standards will keep multinational companies from practicing “social dumping.”
【单选题】向量(1,1,2)与向量(0.5,0.5,1)的外积是
【单选题】Labor standards in trade are typically opposed by most developing countries who believe that they will be used
A.
To further neo-imperialist colonial exploitation.
B.
To charge these countries with crimes against child-labor standards at the Hague.
C.
As a protectionist tool by import-competing producers in industrial countries.
D.
As a means of spreading U.S. Corporate Values and destroying local cultures.
【多选题】用赢得值法进行成本控制,其基本参数有( )。
【多选题】用赢得值法进行成本控制,其基本参数有( )。
【单选题】在光滑水平面上,有一轻弹簧,其一端固定,另一端连接一质量 m =1 kg 的滑块.弹簧自然长度 l 0 =0.4 m ,倔强系数 k =900 N × m - 1 .设 t =0 时,弹簧长度为 l 0 ,滑块速度大小 v 0 =5 m × s - 1 ,速度方向与弹簧垂直.在某一时刻,弹簧长度 l =0.5 m .则该时刻滑块速度方向与弹簧长度方向间的夹角为
【单选题】如图所示,一直杆倾斜固定,并与水平方向成30°的夹角;直杆上套有一个质量为0.5kg的圆环,圆环与轻弹簧相连,在轻弹簧上端施加一竖直向上,大小F=7N的力,圆环处于静止状态,已知直杆与圆环之间的动摩擦因数为0.7,g=l0m/s 2 。下列说法正确的是()
【多选题】5用赢得值法进行成本控制,其基本参数有( )。
【多选题】用赢得值法进行成本控制,其基本参数有()。