题干
--- Will you take up teaching as a career after graduation?
--- Hard to say. I _______ go abroad for higher education instead.
--- Hard to say. I _______ go abroad for higher education instead.
A：should
B：must
C：might
D：shall
答案(点此获取答案解析）
C
<α<0，则直线xcosα＋ysinα＝sinα的倾斜角为( )