下列的()不是用于低温试验设备的消耗性制冷剂。
A.R13
B.干冰
C.液体二氧化碳
D.液氨
参考答案:A
My friend, Tom had just lost his job when, at the precise moment, his girlfriend ______ up with him. She was rubbing salt into his wound.
A.breaks
B.has broken
C.had broken
D.broke