A. adventure B. carelessly C. existence D. unspoiled E. exploit F. inaccessible G. minimized H. reflects I. maintaining J. visible K. wilderness |
Antarctica (南极洲) is the highest, driest and coldest place on Earth. It is also the remotest, a fact which account for its
For centuries, Europeans wondered about the
Once completely
Yet, Antarctica’s fragile and complicated eco-system is threatened by its human visitors. Damage to the environment is done as people come looking for resources beneath the ice, or
A. causes B. enemy C. factories D. kill E. trees F. friend G. spreads |
Pollution is our great
A.awareness B.combination C.sign up for D. think highly of E.emotionally F.physically G.significance |
So, what is plogging? As a matter of fact, it is a
A. affected B. efforts C. deaths D. floods E. emergency |
A powerful typhoon hit East China in July 2016. The
A. attacks B. plains C. reserves D. harmony E. threat F. exists |
Herds of Tibetan antelopes used to live on the
A. are dropping out B. have access to C. obsess over D. are dying out E. be aware of F. devote themselves to G. be to blame for |
Nowadays, the species in the world