题干
— _ good time we had at the party last night!
— Yes. It was _____ exciting party that I would never forget it.
— Yes. It was _____ exciting party that I would never forget it.
A：What; so
B：How; such
C：What a: such a
D：How a; so a
答案(点此获取答案解析）
C
与l2: 2x＋3y－6＝0的交点M在第一象限，则l1的倾斜角的取值范围是（ ▲ ）