單項(xiàng)選擇題
A.x<LBB.x=LBC.x>LBD.不確定
A.6%B.5%C.9%D.10%
A.30mB.15mC.45mD.60m
A.0.3B.0.58C.0.28D.0.29
A.230.6B.289.2C.378.9D.231.6
A.2B.3C.4D.5
A.5%B.3%C.7%D.10%
A.36.57B.56.57C.28.265D.103.14
A.7.08B.1.77C.3.54D.12.78
A.BB.2BC.3BD.4B
A.0.05B.0.5C.0.1D.0.01