单项选择题
听力原文: In constructing a joint venture, the parties must...
未知题型听力原文: In constructing a joint venture, the parties must have covered the gambit of possible legal problems as fully as possiblE.(84)
生产逐渐发展,工人就业增加,物价稳步上升,企业利润增加,这是( )A.萧条阶段 B.繁荣阶段 C.危...
单项选择题生产逐渐发展,工人就业增加,物价稳步上升,企业利润增加,这是( )
drop()方法可以删除列。 正确 ...
判断题drop()方法可以删除列。 正确 错误