题干
一Which hobby do you think the least time?
--Collecting stamps．
A：takes up
B：puts up
C：gives up
D：makes up
答案(点此获取答案解析）
A
一Which hobby do you think the least time?
--Collecting stamps．
A：takes up
B：puts up
C：gives up
D：makes up
和
是共轭复数，则实数
的值是（ ）