【单选题】My walkman is broken. I want to go to ________ to buy a new one. [ ]
【单选题】犯罪后自首又有重大立功表现的,应如何处罚?( )
【单选题】His Walkman is different from, and it is more expensive.
【单选题】Walkman is a ______ motivated word.
【单选题】His walkman is different from , and it is more expensive. [ ]
【简答题】操作并计算. (1)画一个半径为2厘米的圆,并标出圆的圆心和半径. (2)计算出这个圆的周长和面积.