阅读下列材料，按要求完成各题。

    This is Mr. Wilson's room. It's clean and tidy. It looks like（像） a nice picture. The walls are white and the window is big. You can see a photo of his family and a photo of his girlfriend on the wall. His girlfriend is Peggy Carmen. A yellow desk is near the window. You can see some green plants and five colorful flowers on it. A blue clock is on it, too. It is seven now. A baseball is under his bed. His T-shirt and his bag are on the bed. Look! What's that in the drawer(抽屉) of the desk? Oh, it's Mimi, a cat. It's black. It looks like a hat.

在一个不透明的布袋中装有红色、白色玻璃球共60个，除颜色外其他完全相同．小明通过多次摸球试验后发现，其中摸到红色球的频率稳定在25%左右，则口袋中红色球可能有（　　）

读图“不同级别的天体系统示意图”，回答下题．

five—____—fifteen—____