发酵技术与我们的生活息息相关。下列食品加工中，都是利用乳酸菌发酵的一组是[ ]
A．泡菜、酸奶
B．面包、米酒
C．泡菜、米酒
D．腐乳、酸奶
答案：A
This sweater doesn't suit me. It's a bit small. Could you give me_______ one? [ ]
A. a large
B. a larger
C. the largest
压缩机都是（）活塞式压缩机
A、双缸双作用两级水冷
B、单缸双作用两级水冷
C、双缸单作用两级水冷
D、单缸单作用一级水冷
