Some misunderstanding is putting shark populations at risk now. Thousands of sharks are dying as    1     result of people’s false beliefs.

Female sharks need males to make babies. Some female sharks have the ability     2    (produce) a baby by themselves and have young sharks without a male shark. That’s something commonly     3    (see) in plants and insects like ants and bees.

Shark fins have medical function.     4    (tradition), it     5     ( believe) that shark fin soup has health benefits and is quite special in China.     6     modern scientists point out that shark tissue(组织) can be extremely high in poison. What’s more, shark fishing kills up to 100 million animals each year, endangering several different species.

If you’re bitten by a shark, you will be a goner. You are more than twice as likely to die from a lightning strike as from a shark bite, according     7     the Florida Museum’s International Shark Attack File (ISAF). “Even if you are bitten, the large     8    (major) of people survive”, says Dr. Chapman. In fact, there were sixty-six unprovoked(无端的) shark bite    9    ( incident) around the world in 2018, only six of    10     were dangerous.

Dian Fossey was an American zoologist who devoted 20 years of her life     1     the study and protection of Africa's rare and endangered mountain gorillas (山地大猩猩). She received instruction in fieldwork from chimp specialist Jane Goodall, and got down to     2     (observe) the behavior of mountain gorillas. Her work took her to Zaire and then to Rwanda,     3     she founded the Karisoke Research Center. After years of     4     (patience) observation, the gorillas came to know and trust her, and she found that she could sit among the gorillas and even play with     5     (they) young.

In 1980, she attended the University of Cambridge. Afterwards she took     6     teaching job at Cornell University in New York. And there she wrote a book called Gorillas in the Mist about her experiences in Rwanda. In 1984, she returned to the Karisoke Research Center     7     (continue) her fieldwork. When her favorite gorilla     8    (kill) by poachers (偷猎者), Fossey started a campaign against poaching.

    9     she did raised worldwide awareness about the endangered mountain gorilla, and the animals are now protected by the government of Rwanda and some international     10     (organize), including the Dian Fossey Gorilla Fund.

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.

Yet many       5     (difficulty) may arise from this phenomenon. Third-culture kids may not be able to adapt themselves completely     6     their new surroundings. Also, they often find it hard     7     (develop) new friendship. Additionally, for a third-culture kid, it is often easier to move to a new country     8     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.

In reality, some millionaires still worry about money after they achieve their goals and get rich. If they want to continue their     1     (wealth) life, they have to work hard to make money to ensure the sense of success they     2     (achieve) so far. It is believed by most people     3     they will be free of worries and live     4    (comfortable) after earning enough money.

School uniforms should be required for all students for some important reasons. Firstly,     1     (wear) uniforms makes everyone feel equal. It makes students who come from poor families feel the same. In addition, getting ready for school every morning can be much faster and     2     (easy). Many kids waste time choosing     3     to wear to school. Most importantly, some studies show that school uniforms make students perform better in school. Some people might say that uniforms take away personal freedom, but students still have many other ways to express     4     (they).