With the development of society, chemical pesticides and artificial fertilisers have been in     1     use in farming for many years. They can help fight crop     2     and increase production. However, they can cause many problems     3    . For instance, pesticides can kill     4     bacteria and insects and crops grown with chemical fertilisers usually grow     5     to be full of nutrition. As a result, many people worry they may make them ill and even cause cancer.

To tackle this problem, farmers use natural waste as     6     and they often change the kind of crop grown in each field every year and they also plant diverse crops that use different     7     of soil to help keep it rich. But organic farming is nowhere near able to     8     the high demand for food. Therefore, there is still a long way to find a     9     solution that puts sufficient food on the dinner table while keeping people and the environment as     10     as possible.

Hello, everyone! Let me start by     1     you a question: what's the first thing you notice about a film? The acting? The music? Maybe the amazing sets?     2     your answer is, there's always a lot more to it than first meets the eye. Actually, the film you see on the screen is the     3     of a huge     4     of hard work, most of which takes place     5     the scenes. Today, I'll give you a brief introduction to some     6     of film-making you might not be     7     with.

PERU is a country on the Pacific coast of South America with three main areas:     1    , dry, flat land running along the coast, the Andes Mountains and the Amazon rainforest.

In the 1400s and 1500s, Peru was the centre of the     2     ancient Inca Empire. The Inca emperor lived in the now-famous     3     Machu Picchu. Spain took control     4     Peru in the 16th century and ruled until 1821. It is for this reason that Spanish is the main     5     language of Peru.

This four-day walking tour will take you on amazing     6     through the Andes Mountains on the way to the city of Machu Picchu. After reaching your     7    , you will have a day to     8     and be amazed by this ancient city. Especially amazing is the Inca’s dry stone method of building. Inca builders cut stones to     9     sizes so that nothing was needed to hold walls together other than the     10     fit of the stones.

The story of Chinese fashion began in 2011 when Feiyue and Huili, both Chinese sneaker brands (品牌), suddenly gained international attention. Their products     1    (see) on models all over the world then. Last year, Chinese sportswear brand LI-NING was at the New York, Fashion Week in September with new designs decorated with Chinese     2    (character). Now the Chinese brands are impressive and ambitious and can go head to head with foreign brands. And this ambition may be due to the fact that China's young people are now more     3     about their own culture.

The school adviser helped me choose the    1     ones: maths, English, chemistry, world history, and Chinese. I know that Chinese is a very difficult language, but I hope to be fluent when I     2    . My adviser     3     that I should sign up     4     advanced literature because I like English and I’ m good at it.

As human populations grow, animal     1     often begin to     2    . The good news is that in many places around the world, areas are now     3     set aside just for animal use. These wildlife     4     allow animals to live in their natural or wild, habitats. Animals are also     5     in many zoos around the world.

Every living thing in nature     6     to survive. Most plants are     7     by animals and people, as well as by other plants, and may have to live in difficult     8    . Plants survive by     9     to life in different environments, and by     10     successfully with other living things.

As a Chinese citizen (中国公民), I’m proud to experience how my motherland took actions to protect her citizens. I never thought Chinese citizenship     1     (save) our lives until I saw the government try everything it could to save overseas Chinese citizens. In 2011, the situation in Libya was tense. When the government learned of this situation, one warship, twenty civil aircraft and four military aircraft were sent there immediately and all 35,860 Chinese citizens     2     (move) out of Libya within a week. These actions have been highly praised around the world. The world isn’t peaceful. It’s just someone     3     carries the burden for you!

10 . Many elephants can paint. In fact, elephants in zoos sometimes draw on the ground     1     a stick. Seeing this, some trainers teach the elephants     2     they can hold paintbrushes, and encourage them to choose colors and paint. Of course, not every painting is good. Just like humans, only some elephants are very creative. Now, an online gallery sells paintings by these elephant artists. By doing this, the gallery hopes to earn money     3     (protect) elephants.