题干
—Where do you sit, Peter?
—I sit ________ Millie. She is just on my right.
A： next to
B：in front of
C：before
D：behind
答案(点此获取答案解析）
A
—Where do you sit, Peter?
—I sit ________ Millie. She is just on my right.
A： next to
B：in front of
C：before
D：behind
的一条切线的斜率为
，则该切线的切点横坐标为