题干
— Let's go hiking ________ staying at home, shall we?
— Good idea.
A：as well as
B：in order to
C：instead of
D：even though
答案(点此获取答案解析）
C
— Let's go hiking ________ staying at home, shall we?
— Good idea.
A：as well as
B：in order to
C：instead of
D：even though
,则三棱锥P-ABC的侧面积的最大值为
