①适度分散投资,规避投资风险
②投资股票,实现风险最小化
③优化组合投资方式,追求收益和风险的平衡
④采用多种投资方式,实现投资收益最大化
A:①③
B:①④
C:②③
D:②④
解释下列词语
①枯燥
②苏醒
The Greens ________live in the south of Asia . They don't want to move to the north because they ________ the cold weather.