【单选题】. .—What about your visit to Shangrao? —Great!What makes me excited is that great changes___________in my hometown over the past ten years, and a lot of factories and tall buildings_________.
A.
have taken place; are going up
B.
have taken place; have been gone up
C.
are taken place; had been gone up
【单选题】— ? — It was great..
A.
What did you do last weekend
C.
How did you spend your weekend
【单选题】it is to swim with your friends in summer! [ ]
【单选题】债券市场中有甲、乙、丙、丁四只债券,其票面价值均为1000 元,每年6 月30 日付息一次,其它基本要素如下表所示。某寿险公司开发了一只期限为10 年,不允许投保人提前退保的分红产品,并将该产品的保费收入全部购买债券乙。 债券息票利率期限 收益率债券类型甲4.2%3 年 4.5% 乙4.5%5 年 3.8% 国债丙4.0%10年 4.5% 地方政府债丁4.4%20年 5.5% 企业债 寿险公司决定...
【单选题】当预期市场利率将上升时,对债券投资的证券决策是( )。