【单选题】如下图所示电路,为电动机自锁连续控制和点动控制局部电路,当按下 ____可实现______控制。( )
【判断题】匀晶反应只能发生在三元相图中任意液、固两相区。
【单选题】In order to increase ______, the finance manager began selling off some of the company's assets.
【简答题】News came from the sales manager _________the new product had been selling well in the local market for three months. A) whose B) what C) which D) that
【多选题】在旅游过程中,遇到地震灾害,一时无法脱身,下列做法正确的有
【单选题】News came from the sales manager _______ the new product had been selling well in the local market for three months.
【判断题】匀晶反应只能发生在三元相图中任意液、固两相区。
【多选题】在旅游过程中,遇到地震灾害,一时无法脱身,下列做法对的有
【单选题】进行吸量管洗涤时,以下做法错误的是
A.
用洗耳球吸入适量洗液,小心放平后充分浸洗内壁
B.
放平洗涤时,要保证洗液能够浸润到吸量管刻度线以上5cm
C.
吸量管较脏时,可以用滴管加入洗液,堵住两端,浸泡洗涤
D.
用洗液洗涤完毕后,应该用洗耳球吸入自来水清洗,而非淋洗
【单选题】促销目标是企业通过开展各类促销活动所达到的预期目的,某企业围绕“塑造品牌、提升知名度”开展的促销活动时,应该树立的促销目标是