I ____________ English with Mike last Monday.[ ]
A. studied
B. studyed
C. study
答案:A
_________ you were born? [ ]
A. Was it where that
B. It was where that
C. Where it was that
D. Where was it that
冷冻循环中,冷冻剂氨在低压下汽化成气体,从被冷冻物质中()热量;再将低压气体通过压缩变成高压气体。
A、不吸
B、平衡
C、吸收
D、放出