两极同源分布
参考答案：
同时出现在南极和北极，南、北温带海区的动物。
—Liu Xiang has won the men’s 110 m hurdle final in 12.91 seconds.
—___________!He never got such a good result before.
A．Congratulations
B．What a good news
C．My goodness
D．How exciting the race
一般来说，工资水平低的企业应关注市场薪酬水平的（）点处。
A.15%
B.25%
C.50%
D.75%
