【多选题】采用非水溶液滴定法测定有机碱的盐时,应注意
A.
测定氢卤酸盐时,在滴定前加入醋酸汞的冰醋酸溶液
B.
测定氢卤酸盐时,在滴定后加入醋酸汞的冰醋酸溶液
【单选题】The writer thinks that the use of modern technology will
A.
speed up the process of language interpretation.
B.
never replace the need for face-to-face interaction.
C.
help solve the problems involved in maintaining strong teams.
D.
not lead to greater communication between companies and clients.
【判断题】空间三角形平面的投影可以是直线、三角形或四边形等。
【单选题】The writer thinks of the past all the more when he sees those who had grown up with him _____________.
A.
continue to consider home to be the center of their lives
B.
leave the neighborhood they grew up in
C.
still enjoy playing card games in the evenings
D.
develop new interests and have new dreams
【单选题】操作机床时,要求穿着紧身合适的工作服,因为( )。
【单选题】操作机床时,要求穿着紧身合适的工作服,因为( )。
【单选题】操作机床时,要求穿着紧身合适的工作服,因为( )。
【简答题】在Visual C++ 6.0 IDE中编辑的C语言源程序文件名的后缀是( )。
【多选题】下列各项中,工业企业应通过“其他业务收入”科目核算的是( )