The biggest difference of Arctic （北极）and Antarctic（南极） is A: The Arctic is the ocean surrounded by land, and the Antarctic is the land surrounded by ocean B: Arctic is bigger than Antarctic C: Arctic is warmer than Antarctic D: Upwelling is mostly at Arctic
The biggest difference of Arctic （北极）and Antarctic（南极） is A: The Arctic is the ocean surrounded by land, and the Antarctic is the land surrounded by ocean B: Arctic is bigger than Antarctic C: Arctic is warmer than Antarctic D: Upwelling is mostly at Arctic
A) Arctic ice is a major source of the world's fresh water.[br][/br] B) The melting Arctic ice has drowned many coastal cities.[br][/br] C) The decline of Arctic ice is irreversible.[br][/br] D) Arctic ice is essential to human survival.
A) Arctic ice is a major source of the world's fresh water.[br][/br] B) The melting Arctic ice has drowned many coastal cities.[br][/br] C) The decline of Arctic ice is irreversible.[br][/br] D) Arctic ice is essential to human survival.
Arctic explorers may catch colds when ______. A: they are working in the isolated arctic regions B: they are writing reports in terribly cold weather C: they are free from work in the isolated arctic regions D: they are coming into contact again with the outside world
Arctic explorers may catch colds when ______. A: they are working in the isolated arctic regions B: they are writing reports in terribly cold weather C: they are free from work in the isolated arctic regions D: they are coming into contact again with the outside world
Which of the following is true about the Arctic National Wildlife Refuge? A: It is a huge wildlife park. B: It is the largest protected wildness region in the US. C: It located within the arctic circle, in the region of Russia. D: It is the largest volcano park in the arctic circle.
Which of the following is true about the Arctic National Wildlife Refuge? A: It is a huge wildlife park. B: It is the largest protected wildness region in the US. C: It located within the arctic circle, in the region of Russia. D: It is the largest volcano park in the arctic circle.
Pugh visited the Arctic for the first time ________.
Pugh visited the Arctic for the first time ________.
The Arctic fox is found throughout the Arctic, usually on tundra or mountains （）the sea. A: by which near B: near of C: because near D: near
The Arctic fox is found throughout the Arctic, usually on tundra or mountains （）the sea. A: by which near B: near of C: because near D: near
Buck learned to survive in the arctic by ______. A: its primitive character B: becoming the strongest C: the law of club and fang D: adapt itself to the cold arctic
Buck learned to survive in the arctic by ______. A: its primitive character B: becoming the strongest C: the law of club and fang D: adapt itself to the cold arctic
______ is quite different from the Arctic marine fauna.
______ is quite different from the Arctic marine fauna.
Even _________ to believe otherwise, the central Arctic is not a solid sheet of ice.
Even _________ to believe otherwise, the central Arctic is not a solid sheet of ice.
It is important to study polar bears to assess the health of the ecosystem on the Arctic, because（） A: they are on the edge of extinction. B: they are on the top of the ecosystem. C: the food chain on the Arctic depends on them. D: there are no other big animals on the Arctic.
It is important to study polar bears to assess the health of the ecosystem on the Arctic, because（） A: they are on the edge of extinction. B: they are on the top of the ecosystem. C: the food chain on the Arctic depends on them. D: there are no other big animals on the Arctic.