对国际经营人员的考评主要从几个方面进行()()()。
参考答案:态度考评;能力考评;成绩考评
写出下列命题的否定和否命题并判断真假:
(1)若abc=0,则a、b、c中至少有一个为零;
(2)若x2+y2=0,则x,y全为零;
(3)平行于同一条直线的两条直线平行.
Many people who were once _____ now get better jobs after further education. [ ]
A. out of trouble
B. in need
C. out of work
D. in question