【单选题】Jack feels a deep (深深的)sadness, because his family will move to another city, and he can not live here ____. A.no longer B. any longer C. any time D. no more
【判断题】电弧:是在电路断开触头间,由于强电场使中性质点游离( 或带电质点)在触头间放电而产生电弧。
【单选题】《中国药典》(2015年版)规定的药品溶解度术语“极易溶解”指( )。
A.
溶质1g(mL)能在溶剂1mL至小于10mL中溶解
C.
溶质1g(mL)能在溶剂100mL至小于1000mL中溶解
D.
溶质1g(mL)能在溶剂30mL至小于100ml中溶解
E.
溶质1g(mL)能在溶剂10mL至小于30ml中溶解
【单选题】Jack feels a deep ( 深深地 ) sadness, because his family will move to another city, and he can not live here ______.
【单选题】He feels a deep ______ towards his parents for his miserable childhood.
【单选题】( ), he knows it is far from ethical to cheat in exams, but he feels there is no other way open to him.
【判断题】《中国药典》2015年版规定,“澄清”系指供试品溶液的澄清度相当于所用溶剂,或未超过0.5号浊度标准溶液。
【单选题】在一个关系模型的数据库中,一个关键字( ).321