题干
–It’s said that Wang Meng spent almost 10 hours training every day.
--That’s true. She is really hard-working. ______, she won 3 golden medals in the 21st Winter Olympics.
--That’s true. She is really hard-working. ______, she won 3 golden medals in the 21st Winter Olympics.
A：By the way
B：First of all
C：As a result
D：In order to
答案(点此获取答案解析）
C
,那么集合
为 ( )
且
，则
在区间
上（ ）