【多选题】一般而言,进行证券投资组合的目的是( )
C.
在保持特定收益水平的条件下,把总风险降低到最低限度
D.
将风险限制在愿意承担的特定水平下并尽可能使收益最大化
【单选题】(2013·辽宁师范大学附中模拟)Fortunately it happened at night. If the hurricane ________ during the daytime, there ________ more deaths.
A.
had happened; would have been
C.
had happened; would be
D.
happened; would have been
【单选题】Which is NOT a sound argument?
A.
Sabrina wanted to be a better figure skater, so she took extra lessons and practiced every day. Her skating improved so much that she entered a competition.
B.
Yesterday, a black cat ran in front of me, and later, I lost my wallet. If I don’t see that black cat today, I won’t have any bad luck.
C.
We had a storm last night with hurricane-strength winds, and many trees were downed. There was a citywide power outage.
D.
On a clear day, I can see the top of Murphy Monument from my house. If it’s clear tomorrow, I’ll be able to see the monument.
【多选题】一般而言,进行证券投资组合的目的是( )
C.
在保持特定收益水平的条件下,把总风险降到最低限度
D.
将风险限制在愿意承担的特定水平下并尽可能使收益最大化
【简答题】霍夫曼重排反应时,当酰胺的a碳有手性,重排后构型()。(变,不变)
【单选题】发电机定子升不起电压,最直观的现象是( )
【简答题】霍夫曼重排反应时,当酰胺的 a 碳有手性,重排后构型____。
【简答题】大教堂?( ) A圣罗伦索大教堂 B圣彼得大教堂 C圣玛利亚教堂 D米兰大教堂