完型填空阅读下面短文,掌握其大意,然后从26-35各题所给的 A、B、C和D项中,选出最佳选项。The Arctic Region(北极地区) is one of col
You can find polar bears in the Arctic Circle, but not the Antarctic Circle. Paul Souders / Getty Images What is the Arctic Circle? It's a region located at the northernmost point of the world. It's also an incredibly fascinating place that spans a few countries. In this article, we...
Polar explorers wrap themselves in warm coats and furs. The cold makes life difficult. But the explorers can stay alive. What about animals? Can they survive? Do we find plants? Do we find life in the Arctic and in Antarctica? Yes, we do. There is life in the oceans. There is life...
F-region/ A9420J F-region A9420 IonosphereThe behaviour of the Arctic F-region has been examined in order to investigate further the tentative conclusion ( Duncan, 1962) that a certain degree of 'Universal Time control' is observed there during winter. Secondary maxima in the F2-layer ...
8. One fascinating species found only in the Arctic is the narwhal, often referred to as the ‘unicorn of the sea’. Why? Well, male narwhals have a straight tusk projecting from the front of their head that can grow to over 3m in length! 9. The word ‘Arctic’ comes from the Gree...
The Arctic is a beautiful and important part of our planet. We need to take action to protect this unique region and the animals and plants that live there. 1. What is the main source of food for polar bears? A. Fish B. Seals C. Walruses D. Plants 相关...
She herself grew up in the region, a “magical place” where the sun does not set in the summer and never rises in winter. Amid warming temperatures, business interest is growing in the Arctic, including in oil and gas exploration, fisheries, tourism and shipping. T...
阅读下列短文,在空白处填入1个适当的单词或括号内单词的正确形式。Antarctic a and the Arctic region are the most sou
What is the Arctic region?Defining Regions of the WorldThe Earth can be divided into various biomes and regions that are based either on physical location or the types of plants and animals that live there. For example, the tropical region of the Earth is located between the Tropics of ...
Top 10 Amazing Animals Found only in Africa African continent supports rich wildlife across its deserts, savannas, huge valleys, and forests... Nature 1Polar Bear Polar bears spend most of time in thick ice sheets in Arctic region. They have very thick fur within their body that help them...