A-A+
The environmental balance among ecological com
问题详情
The environmental balance among ecological communities is exceedingly complex.
A．almost
B．successfully
C．extremely
D．rarely
参考答案
正确答案：C
解析：almost几乎，差不多；successfully顺利地，成功地；extremely极端地，非常地；rarely很少地，罕见地；exceedingly非常地，极度地。
