【简答题】根据维生素的溶解性不同,可将维生素分为两类,即______和______。
【判断题】财政部是管理国库单一账户体系的职能部门,任何单位不得擅自设立、变更或撒销国库单一账户体系中的各类银行账户。( )
【单选题】下列关于书法艺术风格描述不正确的是( )
A.
中国书法是一门古老的艺术,它伴随着中华文明的发展而发展。
C.
中国书法是美的体现,在“实”与“虚”两个方面。
D.
北京奥运会环境标志的设计是中国书法艺术独特的传统文化形式,标志由人形与树形组成。
【单选题】He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thin k ing about.
【简答题】乙二胺四乙酸是常用的分析试剂,俗名EDTA。其结构简式如下: 在合成EDTA时,最后两步是由乙二胺 跟氯乙酸 在碱性条 件下缩合为乙二胺四乙酸钠,再用盐酸酸化,得到EDTA。现以乙烯为起始有机物以及NH 3 、Cl 2 等无机物,按下图所示合成EDTA。 (1)写出结构简式:A___________,B___________,C___________,D___________,E_________...
【单选题】听力原文:M: What a shame, Nancy. You have been in town for a week, and you don't even think of calling me until you were ready to leave! W: I am sorry, Bob. My schedule is just too tight. Next time I come...
A.
She will find time to meet Bob on her next visit.
B.
She will call Bob when she comes again.
C.
She will visit Bob before she leaves.
D.
She has no interest in chatting with Bob.
【单选题】下列不属于商业计划书撰写三阶段法的是( )
【简答题】维生素可根据其溶解性的不同分为________性维生素和________性维生素两大类