脂肪乳应在被使用后()弃去,配制48h后弃去,以确保最佳稳定性,减少受污染的概率。
A.12h
B.24h
C.48h
D.60h
E.6h
参考答案:B
Two short blasts of the whistle have all of the following meanings except().
A.I intend to meet you starboard to starboard
B.I do not intend to hold course and speed
C.I intend to overtake you on your port side
D.I intend to alter my course to port
习 * * * * 指出:“现在,大家都在讨论中国梦,我认为,()就是中 * * 近代以来最伟大的梦想。”
A、实现 * * 主义
B、全面建成小康社会
C、实现中 * * 伟大复兴
D、消灭剥削,消除两极分化