东北地区的中学生寒假时间很长，主要原因是（　　）

(二)

    This is my room. Near the window there is a desk. I often do my homework at the desk. You can see some books, some flowers, a ruler and a pen on it. On the wall near the desk there is a picture of a cat. There is a clock above my bed. I usually put my football under my bed. There is a chair in front of the desk. I can see the trees and the roads outside when I sit there.

 阅读短文，选择最佳答案。

    Swedish businessman Nile Bergqvist is delighted with his new hotel, the world's first igloo(冰屋) hotel.

    ____(build) in a small town, it has been attracting lots of visitors but soon the fun will be over. In two weeks' time Bergqvist's ice creation ____(be) nothing more than a pool of water. “ We don't see it as a big problem,” he says. “ We just look forward to replacing it.”

    Bergqvist built his first igloo in 1991 for an art exhibition. It was ____successful that he designed the present one,____ measures roughly 200 square meters. Six workmen spent more than eight weeks ____(put)1, 000 tons of snow onto a wooden base；when the snow froze, the base ____(remove).

    After their stay, all visitors receive ____(congratulate) and a survival certificate recording their success.____ no windows, nowhere to hang clothes and temperatures below 0°C, it may seem more like a survival test ____a relaxing hotel break. “It's great fun,” Bergqvist explains, “As well as a good start in survival training.”

    The popularity of the igloo is beyond doubt：it is now attracting tourists from all over the world. At least 800 people have stayed at the igloo this season even ____ there are only 10 rooms.

一只蚂蚁从正方体ABCD﹣A₁B₁C₁D₁的顶点A处出发，经正方体的表面，按最短路线爬行到达顶点C₁位置，则下列图形中可以表示正方体及蚂蚁最短爬行路线的正视图是（　　）