【简答题】How was your vocation?
【单选题】早在1977年联合国就向全世界发出警告,继石油危机之后的下一个危机便是( )危机
【单选题】A: How’s your vocation?
C.
Quite good, what about you?
D.
Yes, fine, how are you, then?
【单选题】--- How is your vocation?-----____________
【判断题】已知L[f1(t)]=F1(s),L[f2(t)]=F2(s),k1和k2为常数,则L[k1f1(t)+k2f2(t)]=k1F1(s)+k2F2(s).
【单选题】Make authorship your __________, not your vocation.
【简答题】早在1977年联合国就向全世界发出警告,继石油危机之后的下一个危机是什么?
【多选题】下列哪些论断是中华民族优良道德传统所推崇的“仁爱”原则的体现?( )
【单选题】已知 L[f(t)]=F(s),则 L[f (3) ( t )] = :