单击并释放按钮时，动画打开百度主页。on（release）{______（"http：//www.baidu.com"）；}
参考答案：getURL
A clean environment can help the city bid for the Olympics, which _______ will promote its economic development.
A．in nature
B．in return
C．in turn
D．in fact
社会体育的特点是？
