“爱情三角形”包括：（）
A、亲密
B、激情
C、承诺
D、财富
参考答案：A, B, C
— Is that a pencil?
— ____. It's a pen. [ ]
A. Yes, it is
B. No, it isn't
C. No, that isn't
D. Yes, that is
谷糙分离的设备有（）和（）等。
