23rd, March.,10th,This weekend.,Next weekend.;……

单项选择题A．Because tourists may protect the environment.B．Because tourists can feed the penguins there.C．Because tourists can become the native population there.D．Because tourism can bring the money to support its preservation.

填空题warning。[解析] 细节题。录音提到“Most running injuries do not come out of the blue...there are warning signs.”。

单项选择题A．She wants to see the penguins.B．She wants to see the ice caps.C．She wants to advocate environmental protection there.D．She wants to make profit.

单项选择题A．A shared room.B．A room with a TV.C．A room with a balcony.D．A room with a sofa.

填空题fitness。[解析] 信息题。健身专家们有五个公认的降低运动受伤的方法。录音中提到“Here are five commonly shared ideas among fitness experts to reduce the risk of injury for people who are new to running or jogging.”，题目中的shared ideas是提示信息。

单项选择题A．370.B．3,700.C．37,000.D．370,000.

单项选择题A．Beginning.B．Intermediate.C．Advanced.D．It s hard to say.

填空题reducing。[解析] 信息题。录音中提“...speed, distance and how often one runs made little difference in reducing the risk of death.”。不同的跑步的速度、距离、频率在降低死亡危险方面并没有什么大的区别。

单项选择题A．Global warming in Antarctica.B．Penguins in Antarctica.C．Tourism in Antarctica.D．Environmental protection in Antarctica.

单项选择题A．Before 8 p.m.B．After 8 p.m.C．Before 9 a.m.D．Between 9 and 9:30 a.m.