一般海船的几何极限舵角为：（）
A.90°
B.45°～48°
C.35°～38°
D.38°～45°
参考答案：C
585+791+209的值是( )。
A．1584
B．1485
C．1585
D．1484
Without more wood ____ the fire, it would soon go out.
A．added to
B．adding to
C．added up
D．adding up
