在起吊工具和施工现场受限的情况下,设备一般采用()方法就位。
A.人字拔杆
B.解体再组装
C.设备滑移
D.叉车叉运
参考答案:C
I would have helped you, but I __ really occupied the whole week.
A.was
B.am
C.had been
D.were
结膜结石为充满上皮和角质素残屑的上皮性包涵性囊肿。