在海拔超过( )的地区，对低压电器宜采用相应的高原型产品。
A．2000m
B．2500m
C．3000m
D．4000m
参考答案：B
The shop ________from 9 a.m. to 9 p.m. But it ________at 8 pm. on Sundays.
A．is open, open
B．open, opens
C．is open, opens
D．is opened, open
In relation to the Russian legal system:
(c) Explain the role of codes within the overall framework of Russian law. (4 marks)
