船舶有纵倾而量油孔的位置又不在油舱长的中点上，测得的空档高度就不是正浮时的空档高度，
题型：单项选择题
问题：
船舶有纵倾而量油孔的位置又不在油舱长的中点上，测得的空档高度就不是正浮时的空档高度，必须作对所测空档高度进行（）修正。
A．横倾
B．纵倾
C．拱垂
D．首尾垂线
题型：单项选择题
| 给下列图片选择正确的句子。 | |
1. | A. Danny wanted to fly a kite. He hurt his arm. |
2. | B. This is Jenny, Li Ming and Danny at their hotel. |
3.  | C. They played with a baby. |
4.  | D. This is a picture of the Palace Museum. |
5.  | E. This is Li Ming at Tian'anmen Square. |
