). That’s why it’s important to protect (保护) the glaciers.With more people visiting the polar regions, choosing greener ways to travel can make a difference.With more people visiting the polar regions ……

that protect polar bears.Support action groups that protect polar bears.Learn more about the difficult... tourism to polar regions to see polar bears.Support eco-friendly tourism to polar regions to see polar ……

important to protect glaciers, especially in the polar regions.Most of the world’s glaciers... to find ways to protect these places.At the same time, more tourists are visiting the polar regions, so we ……

, is crucial.With polar tourism growing rapidly, it’s important to know how to reduce the impact on these fragile (脆弱的) environments.With polar tourism growing rapidly, it’s important to know how to reduce ……

, more tourists are visiting the polar regions, so we need to find ways to protect these places.Meanwhile, more tourists are visiting the polar regions, so we need to find ways to protect these places ……

Page IPage IPage 4Page 4I. 1. flood  2. polar bears  I. 1. flood  2. polar...; 3. seconds  4. sleep  5. rest  6. protect   7. longIII. 1. scientists ……

“Hello, little girl. Come in and swim with me!” The big polar bear (北极熊) greets its visitor. It lives in a zoo in Hungary (匈牙利). Do you know how to protect polar bears? 节约能源，保护环境！ ……

Polar bears are left-handed. ……

in charge of the Zhangbei Highway sent shockwaves through the tourism business. It announced... and that it discouraged tourism.However, local officials claimed that tourists have damaged ……

this ecosystem (生态系统) at risk.Hopefully, though, we can reverse this damage. In 2016, the Chinese... a congratulatory letter to the forum, encouraging efforts to protect the environment and improve biological ……

, seals, *polar bears, *walrus, seabirds, and fish found nowhere else on Earth – adapted and *thrived in this icy world. The rich marine ecosystem has also supported *Inuit and other *indigenous ……

(保卫人员). They protect the players, so polar bears won’t hurt them. ……

) heating3. Scientists say that polar ____________ are melting.a) ice cubes b) ice capsc) ice blocks d ……

为什么越来越多的人开始吃素？Whether it’s to protect the planet or save the lives of animals, more people worldwide are choosing to become vegans. They see it as an ethical choice. ……

. Polar Programs, which is part of the NSF, supports scientists in both the Arctic and the Antarctic... in Antarctica,” Polar Programs spokesman Peter West said.Some scientists study the movement of glaciers ……