【判断题】在构建系统树过程中,距离法、最大简约法和最大似然法都需要选择合适的替换模型。
【单选题】连续梁施工时,梁段间工作缝宽度一般为( )米。
【多选题】我们党的全部任务和责任,就是为了实现人民群众的本根利益,因为我们党(),(),()。
【单选题】Many Americans believe that ______.
A.
sleep is the first thing that can be sacrificed when one is busy
B.
they need more sleep to cope with the complexities of everyday life
C.
to sleep is something one can do at any time of the day
D.
enough sleep promotes people's drive and ambition
【单选题】Many a man _______sacrificed his life for the cause of revolution.