根据压力容器的安全状况，划分为几个等级（）
A.3
B.4
C.5
参考答案：C
如图，已知∠C=90°，∠1=∠2，若BC=10，BD=6，则点D到边AB的距离为（ ）．
Having appeared in more than 50 films and _______numerous Hong Kong Film Awards, Stephen Chow has been regarded_______ Hong Kong’s King of Comedy.
A．winning, as
B．won, as
C．won, with
D．winning, with
