题干
John told me he’d like to go hiking with me, his voice _______joy.
A：was heavy with
B：was full of
C：heavy with
D：full with
答案(点此获取答案解析）
C
的焦点为F，准线
交
轴于R点，过抛物线上一点P（4，4）作PQ⊥L于Q，则梯形PQRF的面积为 ( )