单项选择题
A. the other one B. others C. another one D. all
A. people of different nations hold similar political views B. human beings as a whole have one common enemy C. people are willing to abandon their "national character" D. human beings are able to contact beings in outer space
A. shall be given no permits until 2011 B. have to pay for their existence C. will be allowed a fixed amount of emissions D. can benefit if they chose to be inside the EU