使船舶首线与沙脊棱线处于()状态通过沙脊,一是可以减小后坡回波而引起的偏航,二是可以保证船舶以最小航迹带通过鞍槽。
A、垂直
B、平行
C、斜较
D、锐角
参考答案:A
33.—I’m sure the Mexican Government will control the outbreak of the H1N1 flu in a very short time. Do you think so?
—Yes. _______ .
A.Great minds think alike
B.The early bird catches the worm
C.Facts speak louder than words
D.No pains, no gains
唐朝李世民发动玄武门之变,杀兄害弟,夺得皇位,历来为史学家所非议。这是因为他违反了( )
A.内外服制度
B.分封制度
C.宗法制度
D.礼制