化妆师应在接受()培训并考核合格后方可上岗。
A、体能
B、治安
C、英语
D、卫生知识
参考答案:D
较重视长期的时间介入,且强调理性的分析与评估,背后隐含着合理的风险与收益的是( )。
A.投资
B.投机
C.赌博
D.冒险
I don't think teenagers should be allowed to drive, because they are _____.
A. not enough serious
B. not serious enough
C. too serious
D. to serious