There is an amazing amount of economic friction up and down the

There is an amazing amount of economic friction up and down the real estate industry.
A、flash
B、clash
C、brush
D、crash
【正确答案】：B
【题目解析】：句意:房地产业到处都存在着惊人的经济摩擦。friction 意为“摩擦”。选项中flash意为“闪光,闪现”;clash意为“冲突”;brush意为“争吵”;crash意为“碰撞,坠毁”。故本题选B。