【正文】
_ ___ _____ the Antarctica mainland. Today scientists from many countries travel to Antarctica to study its _________. A spirit of international friendship has replaced the _________. In 1961, 12 countries signed a ________, making Antarctica the world’s biggest nature reserve. Antarctica has bee perhaps the most successful symbol of man’s efforts to work together for progress and peace.Keys: desert holds state depth adapted lack information stand out set foot on resources rivalry treaty Step 3: Useful Expressions on earth, close to, from east to west, cut…in two, in a frozen state, on average, be full of, adapt to, as well as, lack of, the rest of, be made up of, as a result, in the form of, in colour, stand out, the first/last… to do sth., set foot on, nature reserve, aim to do sth., keep…free from, make an effort to do sth.Step 4: After reading1. Why is Antarctica an important place?2. Do you think the Antarctica Treaty is a good idea? Why / Why not?3. What might happen to Antarctica if there wasn’t an international treaty to protect it?4. What other international treaties do you know about ?5. What other international treaties do you think the world needs? 4 用心 愛(ài)心 專(zhuān)心