生于手指骨节间的疔疮称为（）
A.螺疔
B.蛇头疔
C.蛇眼疔
D.蛀节疔
E.舌肚疔
参考答案：D
Once again he didn’t hand in his homework _____ he had been given enough time to do it．
A．in case
B．as though
C．so that
D．even though
钢料锻前的加热方法有哪几种？
Once again he didn’t hand in his homework _____ he had been given enough time to do it．