请根据老师与同学们的对话，为衣物找到主人。
A: Is this your cap?
B: No, it's Mary's.
A: Is this your skirt, May?
B: No, it isn't. It's Lily's.
A: Is this your skirt, Lily?
C: Yes, it is.
A: Are these your gloves?
C: No, they aren't. They are Tom's.
A: Are these your shorts, Li Hai?
D: Yes, they are.
A: Whose scarf is this?
D: It's May's.
⑴Mary  ____                A.
⑵Lily  ____                 B.
⑶Tom  ____              C.
⑷Li Hai  ____               D.
⑸May  ____                E.

O是△ABC中∠ABC和∠ACB的平分线的交点，OD∥AB交BC于D，OE∥AC交BC于E点，若BC=10cm，那么△ODE的周长为（　　）

某校新建成一个喷游水池，在池底的中央安装了一只射灯．池内无水时，射灯发出的一束光照在池壁上，在S点形成一个亮斑，如图所示．现往池内注水，水面升至a位置时，站在池旁的人看到亮斑的位置在P点；如果水面上升至b位置时，人看到亮斑的位置在Q点，请画出P点，Q点所在的位置．

A lot of noises may _______ when the pop star appears.

图是验证阿基米德原理的实验步骤示意图，依次读出甲、乙、丙、丁图中弹簧测力计的示数分别为F₁、F₂、F₃、F₄．