问题
选择题
In the 21st century, all nations must take their ________of responsibility for the global safety.
A．blame
B．charge
C．share
D．notice
答案
答案：C
名词辨析。A责备；B要价，索价；C份额；D通知；结合句意可知C正确。句意：在21世纪，所有的国家都要承担起世界安全的重任。故C正确。