Last year I had a trip to Beijing with my parents. We visited many places of interest there. And there is lots of delicious food in Beijing, e____Beijing Duck. So we had it for s____ on the first day there. It____(taste)so delicious. I think it's really a Chinese t____We had a good time there for five days. We all think Beijing is well worth ____(visit).

如图，在平面直角坐标系xOy中，双曲线y=$\frac{m}{x}$与直线y=kx﹣2交于点A（3，1）．

（1）求直线和双曲线的解析式；

（2）直线y=kx﹣2与x轴交于点B，点P是双曲线y=$\frac{m}{x}$上一点，过点P作直线PC∥x轴，交y轴于点C，交直线y=kx﹣2于点D．若DC=2OB，写出点P的坐标.

下列建筑艺术与国家搭配错误的是（    ）

如图，从气球A上测得正前方的河流的两岸B，C的俯角分别为75°，30°，此时气球的高是60m，则河流的宽度BC等于（  ）