在对证券投资组合业绩进行评估时,只需比较投资活动所获得的收益,不用衡量投资所承担的风险情况。( )
参考答案:错
解析: 熟悉证券组合管理的意义、特点、基本步骤。
Eating a lot of _____ and vegetables ______ for your health.
A.fruit; is good
B.fruits; are well
C.fruits; are good
D.fruit; are well
简述朱自清散文的情感基调。