根据下列各项对履约义务的描述,可判断其为在某一时段内履行履约义务的有( )。
A. 为客户提供每周一次,为期两年的家政服务
B. 为客户改建办公楼
C. 向客户销售一台不需要安装的设备
D. 为客户定制一架具有不可替代用途的私人飞机,并约定有权就累计至今已完成的履约部分收取款项
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下列各项中,制造业企业应确认为其他业务收入的有( )。(2019年)
A. 出售固定资产残料变价收入
B. 随同产品出售单独计价的包装物收入
C. 出租闲置生产设备租金收入
D. 转让专利使用权收入
Freddy Adu will earn_________ older professional athletes.
A. less than
B. the same as
C. more than
Edison is a school for _________. .
A. professional soccer players
B. soccer and tennis coaches
C. talented young athletes
One difficulty for professional athletes is _______. .
A. taking care of small children
B. being in the spotlight
C. taking tests