Seagulls are large and 【小题1】 (noise) birds, commonly seen on beaches around the world. Many people like to feed them 【小题2】 entertainment. It can be amusing to watch the birds fighting over little pieces of bread or chips. However, when animals get used to being fed by humans, they will lose their fear of them and may become aggressive. Seagulls are not very dangerous, but they have been known to attack humans, especially people who 【小题3】 (hold) food.

Tibetan antelopes live on the plains of Tibet, Xinjiang, and Qinghai. 【小题1】 (watch) them move slowly across the green grass, I’m struck by their 【小题2】(beautiful). At the same time, I’m also reminded 【小题3】the danger they are in. They【小题4】(hunt), illegally, for their valuable fur. Zhaxi, a villager from Changtang, works at the Changtang National Nature Reserve. “We’re not trying to save the animals,” he says. “【小题5】 (actual), we’re trying to save ourselves.”

The 1980s and 1990s were bad times for the Tibetan antelope. Hunters were shooting antelopes 【小题6】(make) profits. Their habitats were becoming 【小题7】 (small) as new roads and railways were built. In order 【小题8】 (save) them, the Chinese government placed them under national protection. The measures were 【小题9】(effect). The antelope population 【小题10】 (recover) and in June, 2015, the Tibetan antelope was removed from the endangered species list.

Emperor penguins are the largest of all penguins— 【小题1】 average bird stands some 45 inches tall. 'These flightless animals live on the Antarctic ice and in the frigid surrounding water.

【小题2】 (employ) physiological adaptations and cooperative behaviors, emperor penguins can deal with the incredibly difficult environment in Antarctic,【小题3】 wind chills (寒冷) can reach -76°F. They escape wind and save 【小题4】 (warm) by gathering together. Once one penguin has warmed a bit it will move to tie perimeter (边缘) of the group so that others can enjoy protection 【小题5】 the icy environment.

Emperor penguins spend the long winter on the open ice — and even breed during this freezing season. In mid-May, females lay a single egg and then soon leave 【小题6】 behind. Throughout the winter, males keep the eggs warm while females make long journey to the open ocean 【小题7】 (feed) itself during the most unforgiving weather on the earth. When female penguins return to the breeding site with a belly full of food, with which they will feed the 【小题8】 (new) hatched chicks, the males 【小题9】(suffer)bunger for four months and lost almost half their weight. Meanwhile, their duty done, male emperors make their way to the sea in search of food for themselves. In December, Antarctic summer, the pack ice begins to break up and open water 【小题10】 (appear) near the breeding site, just as young emperor penguins are ready to swim and fish on their own.