分舱载重线
参考答案:
船舶分舱计算时的初始水线,一般计算时取为≥满载水线。
The old lady _____ great pain when her only son was killed in a traffic accident. [ ]
A. took
B. suffered
C. suffered from
D. stood
腮腺的开口位置是()
A.下颌第2磨牙牙冠相对的颊黏膜
B.上颌第2磨牙牙冠相对的颊黏膜
C.上颌第1磨牙牙冠相对的颊黏膜
D.上颌尖牙牙冠相对的颊黏膜
E.下颌尖牙牙冠相对的颊黏膜