倒钩针针法是自左向右缝一针后,再向()后退一针。
A.左
B.右
C.后
D.中间
参考答案:A
(-1)3等于[ ]
A.-1
B.1
C.-3
D.3
A vessel’s quarter is that section which is().
A.abeam
B.dead astern
C.just aft of the bow
D.on either side of the stern