答:王老师家距学校大约 2000米
①14个沿海港口城市 ②经济特区 ③沿海经济开放区 ④上海浦东
- Who is she?
-She's my sister.
-- Would you like to play football after school?
-- ________. I have a lot of homework to do.
已知θ∈(π4,π2),在单位圆中角θ的正弦线、余弦线、正切线分别是a、b、c,则它们的大小关系是( )