猜猜下面说的是哪种小动物。
Its ears are long. Its eyes are small. Its mouth is small. Its tail is short. What is it?
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如图,在直角坐标系中,以原点O为圆心的同心圆的半径由内向外依次为1,2,3,4,…,同心圆与直线y=x和y=-x分别交于A1,A2,A3,A4…,则点A30的坐标是( )
下列各项中,没有语病的一项是( )
—Jack ________ride a motorcycle to work.— Yes, but now he ________ there as motorcycles are not allowed on our city streets.