题干
北海海滩公园内音乐喷泉上有一球形不锈钢雕塑．不锈钢属于（ ）
A：天然材料
B：合成材料
C：金属材料
D：复合材料
答案(点此获取答案解析）
C
What's this? 
Her name is Li Li.
Hello, Jenny.
I'm fine.
What's her name?
I have four.
How many books do you have?
It's a cat.
How are you?
Hi, Wang Hong.