如图,已知△ABC的六个元素,则下列甲、乙、丙三个三角形中和△ABC全等的图形是 第9题图
Don't use _______ time to play computer games. A. too much B. much too C. too many D. man
如图,物体A静置于长木板B上,当B与水平面的夹角θ缓慢增大时,A仍静止在木板B上,则物体A所受的弹力N和摩擦力f的变化情况是A.N增大,f减小
常温下,将0.1mol・L-1盐酸和0.06mol・L-1氢氧化钡溶液等体积混合后,该混合溶液的pH是( )。A.1.7 B.12.3 C.12 D.2
如图,点P是反比例函数y=上的任意一点,PD⊥x轴于点D,则△POD的面积是__________.
—Has the television advertisement worked? —It did! orders flooded in. A. None B. Some