Ecotourism is a new term in today's tourism industry. But in an age of growing environ-mental awareness,     1     is not too difficult for us to imagine and understand this new form of holiday.

Ecotourism, which is considered as a kind of responsible tourism, is     2     (typical) defined as travel to places     3     special and unusual plants, animals and cultural heritages are the main attractions. It takes ecology and culture     4     consideration. Therefore, programs     5     (concern) the protection of some natural and cultural spots also form a part of ecotourism.

According to a recent report by the World Tourism Organization, ecotourism in recent years     6     (enjoy) an annual growth of about 5% worldwide. More than 80     7     (activity) have been listed for ecotourism. They include bird watching, hiking, diving, photography and taking part in     8     (variety) kinds of local cultural events.

Big cities are still the major places in our society today. However, it looks like some smaller towns and country areas may well become the new destinations for people     9     (visit) tomorrow because they are rich in ecological, cultural and historical resources.

Ecotourism has been gaining increasing recognition and popularity mainly for the relaxing, natural and vivid experience. People     10     (attract) to nature and long to be close to it. However, a conflict between nature and human beings is unavoidable. How to protect natural resources while taking advantage of them is of great importance.

Sailing home, Henry,     1     American businessman, found himself     2    (carry) out to sea by a strong wind. He was just about to give himself up when he     3    (spot) by a ship and so he landed in London by accident.     4    (hunger) and alone, he was walking in the streets of the city when he was     5    (unexpected) called into a mansion, where two rich brothers, Oliver and Roderick, gave him a letter and told him not to open it     6     two o'clock of the day. Not     7     (know) it was a million pound bank note, Henry left the mansion and went into a cheap restaurant to stuff his stomach. Everybody was rude to him because he was in rags and looked     8    (depress). Then, to the surprise of everybody, he handed the owner a million pound bank note to pay for the meal.     9    seeing the note, all the people in the restaurant became polite and tried their best     10    (please) Henry. Don’t you think it’s the most incredible tale in the world?

A survey by the China Association of Health Promotion and Education found that about 200 million Chinese,    1    (include) some 130 million males, were troubled by hair loss. The main age group    2    experienced the problem was 20 to 40 years old. The survey     3     (predict) that 260 million Chinese would suffer from hair loss in 2021.

Among males 20 to 40 years old, about one in four had some degree of hair loss. In addition, men in their 30s were losing hair     4     (fast) than any other age group, the survey found. Women were more likely     5     (feel) pressure from hair loss. Some 19 percent of male participants said they were becoming quite concerned     6     the problem, while 30 percent of women said so, the report said.

Wang Wenhui,     7     expert with Peking University Third Hospital, said most of her hair loss     8     (patient) are young people. She said this is generally because young people care more about     9     (they) looks than those who are older, and young people, especially those living in big cities, often have fast-paced lifestyles and are under great     10     (press). "It is common for a person to lose about 100 hairs a day. But if they are losing more than 200 to 400 a day, they should pay special attention," she said.

“Education”is generally defined as the process of learning and acquiring information. Formal learning in schools or universities     1    (be)one of the most common types，though self-teaching and so-called“life experiences”can also qualify. Communities around the world place a high value on educating people of all ages，    2     formally or informally. It is widely believed that constant exposure     3     new ideas and skills makes people better workers，thinkers，and societal     4     (contribute).

Most people associate education with schools and classrooms     5     trained teachers present information to students. Classroom learning generally starts when a child is     6     (relative)young—around age five in most countries—and continues until the teenage years. The purpose of most classroom learning is not to prepare a child for a specific job，but rather     7     (help)him or her develop critical reasoning and thinking skills. Reading，writing，and math are very common lessons for young learners. As students progress in     8     (they)schooling，they often come into contact with more     9     (challenge)subjects like written composition，history，and advanced sciences.

Exposing students to new ideas and essential facts is only part of most educational goals. Also，students     10     (expect)to retain most if not all of the information that they learn in schoo1. Teachers and professors commonly use exams and graded assignments to assess learning.

From China's Changcheng Research Station in the South Pole to Tuktoyaktuk, Canada in the North Pole,   Guizhou runner Bai Bin took 433 days and ran 24,000 kilometers     1     (complete) this journey.

    2       (bear) in Sinan county, Tongren, Southwest China's Guizhou province, Bai     3    (be) a running enthusiast since childhood. In 2006, Bai took 50 days to run from Guiyang to Lhasa. In 2011, Bai took 150 days to run from Istanbul to Xi'an.     4     (he) previous experience in grueling sports laid the foundation for him to push his limits. In 2018,     Bai and his friend Li Zhenyu     5    (plan) the route for running from the South Pole to the North Pole. According to the plan, the route will be by way of 219       6     (city) and towns in 14 countries. His journey started on March 2. 2018. In addition to       7    (run) , the extreme environment posed a major challenge for him.    8    the help of his team, local citizens, and overseas Chinese, Bai overcame massive difficulties and arrived in the North Pole on May 8.

However, Bai is continuing on to    9    new challenge. Next, he plans to cross the Bering Strait from the Arctic Ocean and run back to Xi'an,     10     climb Mount Qomolangma.

Did you grow up in one culture, your parents came from another, and you are now living in a     1     (total) different country? If so, then you are a third-culture kid.

The term “third-culture kid”     2     (use) in the 1960s for the first time by Dr. Ruth. She first came across this phenomenon while     3     (research) North American children living in India. In general, third-culture kids benefit     4     their intercultural experience and they often reach excellent academic results.

Yet many     5     (difficulty) may arise from this phenomenon. Third-culture kids may not be able to adapt     6     (they) completely to their new surroundings. Also, they often find it hard     7     (develop) new friendship. Additionally, for a third-culture kid, it is often     8     (easy) to move to a new country than to return to his homeland. For example, after living in Australia for many years, Louis finally returned to the country     9     she was born. She didn’t know anything about current TV shows     10     fashion trends. And she didn’t share the same values as other teens of her age.