The letter has to clearly mention ______ actually the problem is.
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The letter has to describe the problem______a precise manner.
A. on
B. in
C. of
All the dates, details, requirements, etc. have to be mentioned ______ it helps the reader understand the problem easily.
A. such that
B. so then
C. so that
当通过定义列表实现图文混排时,下列标记中用于插入图片的是( )
A.
B.
C.
D.
当通过定义列表实现图文混排时,可以定义图片解释说明文字的标记是()
A.
B.
C.
D.