题目内容:
toavoidtheriskofpoorlytimedinvestments,oneshould
A.adoptdollar—costaveragingstrategy. B.setalimittohisinvestmentatregularintervals.
C.suppressthetemptationtodropoutuntimely.
D.stopbuyingshareswhenthepricesaretoohigh.
参考答案:
答案解析: