低碳经济是发达国家才需要考虑的事情。
参考答案：错
国际上公认的较好的资产负债率指标是( )。
A．50%
B．60%
C．40%
D．70%
the end of the match, we had kicked four goals. [ ]
A. At
B. By
C. In
D. On
