下列( )地方能找到较多的草履虫?
A:大海
B:急流的河水
C:有机物丰富的池塘
D:凡是有水的地方都能找到
There is an interesting place ____ (call) the Great Wall in China.
下列家用电器正常工作20分钟消耗电能最多的是( )
____ ____ often ____ to the park at weekends?