复原力矩与船舶稳性的关系为()。
A.复原力矩值小,稳性大
B.复原力矩值大,稳性大
C.复原力矩值大,稳性小
D.复原力矩值与稳性无关
参考答案:B
若集合A={x|x(2x-1)>0},B={x|y=log3(1-x)},则A∩B等于______.
Which pen is , this one or that one? [ ]
A. cheap
B. cheaper
C. cheapest
D. the cheapest