题干
—You must be surprised and excited to see the film star here．
—You’re right．________________．
—You’re right．________________．
A：I don’t expect to see her here
B：I didn’t expect to see her here
C：I am expecting to see her here
D：I expected to see her here
答案(点此获取答案解析）
B
x+1的图像与x轴、y轴分别交于点A、B，把Rt△AOB绕点A顺时针旋转角α（30°＜α＜180°），得到△AO′B′． 
