请阅读下面短文,在短文后表格中的空白处填上适当的単词(注意:每空1个单词)。

Global warming is a big problem that we have to stop. One of the best things we can do is to plant more trees. Trees can take in carbon dioxide(二氧化碳)in the air and stop global warming.

According to a new report, China is doing a great job of "greening" the world.

A team of scientists at Boston University has been working with NASA to study Earth's green vegetation(植被). They used a special NASA camera and found that global leaf area has increased by 5 percent since the early 2000s. And China was responsible for 25 percent of that gain, according to the study. That's about one-quarter of the size of the entire Amazon rainforest.

The growth mainly came from China's forest protection programs, NASA said. For example, since 1962, China has been planting trees in Saihanba in Hebei province. It was once a desert. But now, China has turned the area into the country's largest man-made forest.

The Chinese public has also joined in these efforts. Ant Forest in the Alipay app gives users points for doing eco-friendly(环保的) things such as walking and going paperless in the office. Users can then use these points to water and grow their own virtual trees. When the virtual trees are big enough, Ant Forest will plant real trees somewhere in the world. More than 55 million trees have been planted in this way.

Title: Greening the world

Introduction

1.more trees is one of the best things we can do to stop global warming.

2.

Saihanba

China has3.many forests so far.

China has been planting trees in Saihanba in Hebei province.

And it is the largest man-made forest now.

Ant Forest

Ant Forest encourages users to do eco-friendly things.

4.Ant Forest, more than 55 million real trees

have been planted in the world.

Result

China has made great contributions to forest protection, which gains about

5.of the size of the whole Amazon rainforest.

Have you ever wondered what American high school life is really like?

An American high school has enclosed classroom buildings. Every student is given a locker. When students a_______ at school, they first go to their lockers to take out their textbooks and to put away their coats or things they don't need. As American textbooks are expensive, students would rather b_______ than buy them.

American students have different types of school transport, They usually take a yellow school bus or walk to school if they live n_______. Sometimes their parents drive them to school. When they turn 16, most take a free driving class at school for one term. If students have earned enough driving grades and passed their state driver's exam, they can begin driving themselves to school.

Each day, students take six or seven classes, including science, maths, English, p_______ and social studies. They can choose art, homemaking, fashion design and other classes. Students move from classroom to classroom for each subject, b_______ each subject teacher always stays in the same classroom. There is only a five- minute break between classes, when students have to use the toilet and hurry to their next class.

The usual school day ends early at 3 p. m. More than half students are busy taking part in after-school activities: football, basketball, b_______ and soccer or clubs such as speech, school newspaper, photograph or robot-making. Students have a relaxing . and busy school day.

1.a________

2.b________

3.n________

4.p________

5.b________

6.b________

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