在采用分光光度计比色法中,连接取样阀与取样胶管,并以()的流速放空,畅流3min。
A.1—2L/min
B.3—4L/min
C.5—6L/min
D.7—8L/min
参考答案:C
Tipping is neither encouraged nor common, although visitors may reward special services if they wish, _________ 10% of the bill is enough.
A which B where C in which D in which case
下列属于英国谈判对手性格特征的是()
A、尊重谈判业务
B、待人和善、尊重谈判业务
C、刻板固执
D、注重礼仪、待人和善、刻板固执