陶陶居开业于哪个年代？（）
A、清代光绪年间
B、清代道光年间
C、明代万历年间
D、明代崇祯年间
参考答案：A
单项选择。
— Did you play football yesterday?
— ______. [ ]
A.Yes, I was
B.Yes, I did
C.No, I wasn't
D.No, I did
试述油脂的内含水分有什么害处？
