问题
选择题
If something ________, it becomes less and less and eventually disappears completely.
A．dies off
B．breaks off
C．dies out
D．breaks out
答案
答案：C
词义辨析题。A. dies off 挨个死 B. breaks off 折断 C. dies out 灭绝 D. breaks out 爆发 句意：如果某物灭绝的话它会越来越少最终直至消失。 根据语境选C