Because of the novel coronavirus outbreak in Wuhan in December, the number of people infected and patients    1     died kept climbing. It is reported that the epidemic has something to do with the selling of wild     2     at South China Seafood Market. There is no doubt that hunting and killing wild animals has a bad influence. On the one hand, wild animals     3     for their meat, which causes the imbalance of nature. What’s worse, some of     4     may disappear forever. On the other hand, because of the contact (接触) between humans and wild animals, epidemics like SARS and pneumonia may infect humans     5    .

Since the outbreak of the disease, the Chinese government     6     down the city directly to prevent the spread of the disease. At the same time, the Chinese people pull together to fight the epidemic. Our relationship becomes even     7     in the face of the disaster.

For the further development, something must be done to stop this illegal action. First, Nature Reserves (保护区) are supposed to be built so as to offer more living space to wildlife. Second, be aware that never have wild animals for food     8     they are part of environment. Third, it is time for the government     9     laws about protecting wildlife. In this way, we can build a     10     and friendly society and ensure a sustainable development (可持续发展).

Today, people in the world have busy lives, and they often feel     1     under so much pressure. In fact,     2     happy is important and necessary for everyone. Most people want to be happy, but few know how to be happy. Money and     3     can bring pleasure, however, it won’t last long. Actually, happiness     4     on ourselves. Here are some ways to help you be happy.

The first secret is to enjoy the simple things in life. We often spend too much time     5     about the future, for example, going to a famous university or getting a good job after graduation. You should enjoy the simple pleasure in life, such as reading a good book, listening to your favorite music and spending time with good friends.

The second secret is to be     6     . Many people enjoy dancing or playing sports. You can forget all your problems and think     7     about the activity you are doing.

The third secret: helping others. It is a good way to keep happy. You always feel happy when you do something     8     for someone. You can do     9     for your parents, help a friend or a classmate, or go shopping to buy food for an old neighbor.

In a word, learning to be happy is good for your     10