图1-1-16是一幅经纬网格图,据此回答下列小题:
既位于北半球又位于西半球的点是()
①A点
②B点
③C点
④D点
A.①②
B.②③
C.③④
D.②④
参考答案:A
My father _________ Beijing many times. He _________ there again last week.
A.has been to; has gone
B.has gone to; went
C.has been in; has gone
D.has been to; went
由于船舶主甲板呈弧形和倾斜,其上边舱的压载水从测量管溢出,可采取下列措施()
A.按满舱水计算
B.应按实测深度进行校正计算。测量的有效方法是在测量口处加“延长管”,使液面处于“延长管”内某一位置,以测量这一位置时的压载水总高计算容积。
C.放弃测算
D.按船方意见办