【单选题】为了保护南极的环境,对南极的考察只限于 [ ]
【判断题】常见的有线信道包括明线、双绞线、同轴电缆和光纤等。
【单选题】Imagining being asked to spend twelve or so years of your life in a society which consisted only of members of own sex, how would you react? Unless there was something definitely wrong with you, you w...
A.
Only co-education can make women equal to men.
B.
People are in need of both co-education and aggregated education.
C.
What makes the society truly harmonious is simply unthinkable.
D.
Co-education has many features.
【单选题】The country finally gained independence after being ________ by the British for so many years. [ ]
【单选题】下列选项中,属于伦理行为原动力规律内容的有()。