水平敷设的蒸汽管道的变径应采用偏心大小头，大小头的下侧取平，以利于排水。
参考答案：对
The Turners consider ____ a computer, which is commonly considered _________ a great help in our work and study.
A．to buy; to be
B．buying; to be
C．to buy; being
D．buying; being
某公司年初未分配利润为借方余额900万元，本年净利润为700万元。若按10%计提法定盈余公积，则本年应提取的法定盈余公积金为( )万元。
A．70
B．90
C．20
D．0
