1. (2022高三上·嘉定期中) Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

A. adventure   B. carelessly C. existence   D. exploit  E. inaccessible F. minimized  G. reflects  H. responsible  I. accounts  J. visible   K. wilderness

Antarctica is the highest, driest and coldest place on Earth. It is also the remotest, a fact which for its unspoiled environment. It is widely described as the last on our planet. The cold climate is for maintaining the continent's year-round ice fields. Even though Antarctica receives more sunlight than the equator (赤道), the temperatures are lower because the ice sheet the heat back into space.

For centuries, Europeans wondered about the of a South-Polar continent, but no one actually knew for certain Antarctica was there until 1820 when European explorers "discovered" it. Since then, men have gone to Antarctica in search of . Testing their abilities, several teams of explorers set out in 1911 to be the first men to stand at the South Pole.

Once completely , Antarctica has more recently been playing host to adventurers seeking for excitement, scientists interested in experimenting, and companies looking to this wild area for profit.

Yet, Antarctica's fragile and complicated eco-system is threatened by its human visitors. Damage to the environment occurs as people come looking for resources beneath the ice, or leave their garbage behind. Currently, countries are working to ensure that the damage to Antarctica's environment is , and that Antarctica will remain an unspoiled place.