March 12th is Tree Planting Day in China. Trees are important to the earth. You can help to improve the environment and make the world a better place by planting trees. If you want to plant a tree, here are some simple     1     for you to follow.

Step 1: Choose the Right Kind

You need to choose the right kind of trees     2     you plant a tree. Some kinds live better in cool or cold places, while others live better in warm or hot places.

Step 2: Choose the Proper Place

Once you have your tree, find a proper place for planting. Look for an area that gets plenty of sunlight and enough space for the tree to grow. What's more, the ground should be neither too wet nor too     3    . Avoid planting your tree too close to buildings because when the tree     4    , it may influence the building nearby and its roots (根) may also cause trouble.

Step 3: Plant the Tree

Dig a hole that is just a little wider than the root ball of the tree. Pick up rocks from the soil (土壤) because they may     5     the roots. Now it's time to plant your tree. Carefully place the tree in the hole, and fill     6     with some soil. Make sure to press the soil down. Don't forget to tie a stick to the tree. In this way, the tree will stand     7    , not leaning (倾斜) to one side. After finishing the above steps, remember to water the tree well.

Step 4: Care for the Tree

Continue to water the tree once a week during the first year after planting. Then the tree will get used to the new environment sooner. Cut     8     some old branches so that the tree will grow better the next year.

In a word, planting trees is important to the health of our planet, and it's something that everyone can do.

About 75 percent of the city’s factories and buildings, 90 percent of its homes, and all of its hospitals were gone.     1     covered the ground like red autumn     2    .

Are you a “glass-half-empty” or a “glass-half-full” type of person? A study showed that optimists (乐观主义者) are more likely to live longer than those who have a(n)     1     (愁眉苦脸) in life. The theory goes that optimists may find it easier to control their emotions. Here are some people’s opinions about how to stay positive.

Vicki Siska has been through some stressful times but has managed to remain optimistic. “Music    2     (使我高兴起来), a sense of humour keeps me seeing the bright side of things, and I have good friends who love and care for me,” she said.

Humour also helped Pippa Kennedy stay positive. She watched a TV show named Dad’s Army to help her get through a bad     3     (心情). “I also think being grateful for what you have and lots of chocolate help,” she added.

Sue Oakley Dunn says she remains positive and healthy because she does “what makes my soul sing”. She has plenty of hobbies to do for     4     (娱乐). “It works for me,” says Sue.

As well as the benefits of friendship and laughter, Robyn Black, who does yoga and has better access to    5     (医疗保健), recommends that staying fit and healthy is quite     6     (必不可少的).

The Pursuit of Happyness is a 2006 American film. It tells how an African-American single parent and his five-year-old son struggle to survive and fulfill the American dream in San Francisco. The screenplay is based on the best-selling     1     (经典作品) — the 2006 book of the same name written by Chris Gardner and Quincy Troupe.

The Pursuit of Happyness is based on the true story of Chris Gardner. In the film, Chris Gardner is trying to make a living by selling medical equipment. His wife Linda is working two jobs to help pay his    2     (债务). Their five-year-old son, Christopher, goes to a daycare center. On the outside of the building, the term “the pursuit of happiness” is misspelled. The father has a(n)     3     (观念) that little details like this make all the difference in life. The pressure is too much for Linda to handle so she decides to take a job in New York and leaves Christopher and Chris.

Chris’s persistence     4     (取得成功) when he is chosen for an internship (实习) program. The     5     (雇主) does not pay any salary and only one of the 20 interns will eventually be hired. Meanwhile, a few of his machines are stolen, and he and his son are not allowed to live in their apartment anymore. Chris makes a brave move to land a new account by visiting a CEO at home.     6     (不过), the CEO tells him that he won’t allow him to handle his account because he is so new to the business. But the CEO’s       7     (拒绝) doesn’t destroy the intern’s hope and Chris achieves his dream at last.

The film does score some emotional points in its portrait of an African-American male who turns out to be a(n)     8     (非凡的) single parent. He takes care of his son with       9     (和蔼) and love, which is     10     (值得……) respect.