城市集中热水供暖系统的输送距离一般不宜超过（）。
A.4km
B.6km
C.10km
D.l2km
参考答案：C
--Wow, so many new houses! I can’t believe that. It used to be a poor village.
--- Yes,_________ has changed here.
A．Nothing
B．something
C．Everything
D．Anything
Discuss the legal requirements for forming a partnership under the Partnership Proclamation 1957. (10 marks)
