单项选择题

A．It helps children to make their own decisions.
B．It gives a measure of choice in making decisions about how the money is spent.
C．It gives a sense of independence.
D．It can satisfy the children's necessities.

A.It
B.
B．It
C.
C．It
D.
D．It
E.

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单项选择题

A.设备、管道焊接保护措施
B.设备、管道施工安全防冻
C.总工期
D.隧道内施工的通风、供水、供气、供电、照明及通信设施

单项选择题

单项选择题

A．It helps children to make their own decisions.B．It gives a measure of choice in making decisions about how the money is spent.C．It gives a sense of independence.D．It can satisfy the children's necessities.