职业培训的作用是()
A.提高劳动者素质
B.提升我国企业在国际市场中的竞争能力
C.预防失业
D.促进就业
E.实现经济增长方式的转变
参考答案:A, B, C, D, E
Can you think ?
A.what is his job
B.what does his job
C.what his job does
D.what his job is
SQL语句中的DROP关键词的功能是( )。
A.创建表 B.在表中增加新字段C.从数据库中删除表 D.删除表中记录