—It's ________ elephant.
A:a
B:an
C:the
若2lg(x-2y)=lgx+lgy,则log2xy的值为( )
党的十八届五中全会指出,全面建成小康社会必须牢固树立和切实贯彻创新、协调、绿色、开放、共享的发展理念。下列战略体现绿色发展理念的是( )
They found __________ impossible to finish so much work in such a short time.