The Old Town of Lijiang is a few hours bus-ride away     1     the ancient city of Dali in Yunnan Province. Surrounded by fields, mountains and rivers, the Old Town of Lijiang     2     (look) like a jade (翡翠) ink stone in spring and summer. Each year, many foreign     3     (tourist) visit the Old Town, and the place is like “Venice in the East” to them.

Black robins (知更鸟) are the birds     1     humans saved from extinction. In 1980, there were only five black robins left in the world. They all lived on a small island off the coast of New Zealand. Only one of those birds, a female called Old Blue, was able to lay eggs. Wildlife workers     2     (begin) a programme for raising black robin chicks. They protected Old Blue’s eggs, helped them to hatch, and looked after the chicks     3     (careful). Thanks to their efforts, there are now more than 250 black robins, and the population is spreading.     4     (help) them survive, people are restoring their habitats and removing small animals that hunt them.

Bill Gates is the world’s leading figure in personal computer software, best     1     (know) as the founder, former chairman, and CEO of Microsoft. Bill Gates has experienced failure. His first company     2     (call) Traf-O- Data, but unfortunately, its product didn’t work. It was a total disaster. But     3     Gates learnt from this experience contributed to the global success of Microsoft.

With their long tusks, elephants look elegant and strong. However, this unique feature is also the reason for     1     the animal is endangered. It has long been a problem worldwide that people kill elephants     2     their tusks.     3     laws have been introduced to ban the selling of tusks, they have not been enough to save the elephants.

Recently I had an experience of eating dinner at a “dark restaurant”,     1     people eat in complete darkness. Diners ate     2     (they) whole meal in total blackness and had to rely on the waiters’ guidance if they needed to go to the bathroom. I wanted to understand the experience of being blind. Then I found out eating was a     3     (real) difficult activity.

Soil     1     (find) nearly everywhere. And it seems unlikely that we would ever lose all the soil on Earth. However,     2     we may lose is the deep and rich agricultural soil because of over-farming, a lack of plant cover off-season and a collection of salt from watering and fertilization (施肥).     3     proper measures, some experts warn, there could be serious agricultural soil problems before the end of this century.

Cats are second only to dogs as the most common pets in the world.     1     (compare) with dogs, cats might seem cold, but they can form strong emotional bonds with their owners. Studies have shown that cat-owning seniors often exhibit lower levels of     2     (lonely), anxiety, and depression.     3     (own) a cat invites several costs, for food, litter, medications, toys and care. However, cats do not need regular bathing     4     they have health problems that make it necessary.

Davyon Johnson, an 11-year-old boy, was honored by his community after saving two lives in one day. On Dec. 9, a choking student tripped into the classroom     1     Davyon was. Davyon did the Heimlich immediately and saved him. Hours later, on his way home, Davyon spotted a house on fire. Everybody     2     (run) out except for an elderly lady. As the woman struggled     3     (move) using her walker, Davyon raced up the steps and helped her escape the burning building.

YOLO, directed by Jia Ling, was the highest-grossing film in China over the Lunar New Year.    1     (adapt) from the 2014 Japanese movie 100 Yan Love, YOLO centers on the transformation of Le Ying. Le is an jobless woman     2     her 30s still living with her parents whose life transforms after meeting a boxing coach that changes her life. The spirit of YOLO, with the title meaning “you only live once”,     3     (carry) a universal message — self-love and self-esteem (自尊), which forms the groundwork for the film to bridge cultural gaps and attract a global audience.