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You may know May Day, but do you know Lei Day? Like May Day, Lei Day is also celebrated (慶祝) on May 1st. People wear leis (花環) on this day. A lei is a big circle usually made of flowers . On Lei Day, people give leis to each other. Where do you know this holiday is celebrated? Hawaii, of course! People give leis on birthdays, weddings (婚禮) and as a way to say "I love you". In 1928, a writer, Don Blanding, wrote an article saying that this tradition should become a holiday. Another writer, Grace Tower Warren, thought of the idea of celebrating this day on May 1st and said, "May Day is Lei Day."On this day in 1928, people wore leis and celebrated with music, dancing and a lei-making competition. The next year, Lei Day became a public (公共的) holiday. Today, people still celebrate Lei Day in Hawaii. We hope they all have a happy May Day and a happy Lei Day!

1.The underli ned word "circle" can be replaced (替代) by "_________".

A. ring    B. card    C. garden    D. watch

2.What do people give each other on Lei Day?

A. Clothes.   B. Books.   C. Leis.    D. Cakes.

3.Lei Day became a public holiday in _____.

A. 1928     B. 1929    C. 1930     D. 1931

4.Which of the following is TRUE according to the passage?

A. Lei Day is on the day after May Day.

B. Lei Day was first celebrated in 1928.

C. Don Blanding said "May Day is Lei Day".

D. People all over the world celebrate Lei Day.

5.What is the passage about?

A. Lei Day in Hawaii.      B. May Day in Hawaii.

C. How to make a lei.      D. How to celebrate May Day.

Trees are useful to man in three important ways.

The first important way is that they provide(提供) man with food, wood and the other products. Trees provide not only man with food, but also many animals with food. Without trees many animals could not live on the earth. It’s not easy for man to live on the earth, either.

The second important way is that trees give us shade(陰涼). On a hot summer day, people are eager(渴望) to have a rest under the tree after they have a long walk. You can imagine how important the shade of a tree is to man and animals.

The third important way is that trees help to prevent droughts and floods(防止干旱和洪水). However, in many parts of the world, man hasn’t realized the third way. They were cutting trees down in large numbers. In the end they find that they have lost the best friends they had.

根據短文內容，回答下列問題。

1. How many important ways are trees useful to man?

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2. Trees only provide man with food, don’t they?

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3. On a hot summer day, what do trees give us?

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4. What does the underlined word “they” means？

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5. What’s the best title of the passage?

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