有甲、乙两种不同品牌的保温杯，为了比较这两种品牌的保温杯盛水时的保温效果，小明按照科学探究的程序，明确了具体的探究问题，选择了适当的器材，在控制变量的前提下，在室内进行了实验，得到了一段时间内，甲、乙两种保温杯内水的温度的实验数据，根据数据绘制的图象如图所示．请你根据图象所提供的信息回答以下问题：

我国在南极建立的第一个科学考察站是（  ）

根据短文理解, 从所给的A、B、C、D四个选项中选择最佳答案填空。

    England is a very beautiful country. There are many places of  1 , such as the Big Ben, the Tower Bridge, and so on. Many people like going to England to spend their holidays. When you are traveling in England, you must be very   2  in the streets because the traffic drives 3 the left side of  the street in England. So, before you 4   a street, you must first look to the right and then to the left and wait till the traffic light changes to   5  .

    The streets are very busy 6big cities, especially during the rush hours when people are going to or coming back from work. Traffic is the most  7 at that time. Then, when you want to 8 a bus, you will  9   wait at the   10   side of the street too, or you will go the wrong way.