题干
— What time does Mary ________ every day?
— At 8:00.
A：go to the school
B：go to a school
C：go school
D：go to school
答案(点此获取答案解析）
D
— What time does Mary ________ every day?
— At 8:00.
A：go to the school
B：go to a school
C：go school
D：go to school
，若
，则实数
的取值范围是（ ）
=（sinθ，1）， 
=（1，﹣cosθ），θ∈（0，π）