【单选题】When Gina Garro and Brian Duplisea adopted 4-month-old Andres from Colombia last month, they were determined to take time off from work to care for him. Though Garro's $ 40,000 salary will cover their...
A.
the couple have made a lot of sacrifices to take care of their children'
B.
Garro can earn more money so she should go back to work
C.
Duplisea's boss is so considerate as to allow him to keep his job
D.
Garro and Duplisea used to live a comfortable and easy life
【判断题】1421年,明成祖迁都北京,但是仍保留南京衙署。
【单选题】合同的类型有多种,前期物业服务合同属于( )。
【单选题】日常饮食中加入黑芝麻、黑木耳、黑豆等深色食品,对乌发、生发( )。
【多选题】下面哪些是比特币和以太坊1.0两种区块链技术的区别()
【简答题】图示的曲线分别表示了氢气和氦气在同一温度下的分子速率的分布情况。由图可知,氢气分子的最概然速率为_______________m/s。(取四位有效数字)
【单选题】关于前期物业服务合同的说法,错误的是( )。