完型填空。 Hi, boys and girls. I 1 Kate Brown. My last name is 2 . I have 3 good friend. Her name is Alice White. Her 4 name is Alice. She is a nice 5 . Here 6 two schoolbags. The black schoolbag is 7 . The red schoolbag is Alice’s. What is 8 ? It’s a photo 9 my family. The girl in a green jacket is my 10 . ( ) 1. A.is B.am C.are ( ) 2. A.Kate B.Brown C.Kate Brown ( ) 3. A.an B.如图所示,两个质量相等的物体从同一高度沿倾角不同的两个光滑斜面由静止自由滑下,到达斜面底端,则两物体具有相同的物理量是A.下滑过程中重力的冲量B.下滑过程中合力的冲量C.下滑过程中动量变化量的大小D.刚到达底端时的动量