氨制冷系统设备较多,管路复杂,常采取的排污方法是()排污法。
A、分段
B、整体
C、定时
参考答案:A
An ideal job should be one that ______ what you are good at with what you are interested in.
A.combines
B.connects
C.relates
D.joins
社会性是 * * 的()特性。