“寒因寒用”，“热因热用”是
A．反佐B．反治C．两者均是D．两者均非
参考答案：B
Since the film “Life of Pi” was on, it _________ more and more people around the world.
A．attracted
B．had attracted
C．has attracted
D．will have attracted
后张法预应力筋锚固后的外露部分宜采用机械方法切割，其外露长度不宜小于（）
A、20mm
B、30mm
C、40mm
D、50mm
