已知抛物线y2=6x的焦点为F,准线为l,点P为抛物线上一点,且在第一象限,PA⊥l,垂足为A,|PF|=2,则直线AF的倾斜角为( )
A:4π5
B:2π3
C:3π4
D:5π6
在动物的运动方式中,能适应更广阔空间生活的是( )
你会做下列加法题吗?
①What's six and one? It's ____.
②What's two and three? It's ____.
③What's zero and nine? It's____.
④What's four and three? It's____.
⑤What's one and five? It's____.
选出下面成语使用错误的一项( )