为了保证商品房预售资金专款专用，开发商原则上应在建行开立（）
A.基本帐户
B.一般存款帐户
C.商品房预售监控帐户
D.往来帐户
参考答案：C
摩擦轮传动中的弹性滑动一般不会造成（）
A．速度损失
B．功率损失
C．传动比不准确
D．轮面严重磨损
Have you ever felt your cheeks get hot，your palms sweaty or been afraid to _______your teachers’ eyes when they are about to call on someone?[ ]
A．take on
B．look into
C．occur to
D．look at
