What does blood do for us? It brings food to all parts of our bodies and takes waste away from them. All parts of our bodies are made of cells. These cells are very small. They all need all the time. No one could make pictures of cells because no one could see them.

What makes the blood move round the body? The heart is a pump. It pumps the blood and sends it round the body. The heart has rooms with doors between them. It pumps blood in and out through these doors by changing the size of the rooms so that the doors are opened and shut. The heart keeps a stream of blood going all around the body and back again to itself. The heart is a very important part of one's body. When it stops beating, one will die.

1.Blood is important to our body because it can         

2.What does the underline word "microscope" mean in Chinese?

3.According to the passage, a pump is used to         

As we all know, people couldn’t live without water. Some parts of our bodies are made of water. We depend on clean water to live every day.

However, we human beings are polluting water seriously. In some areas of China, people are still in great need of clean water. Dirty water is one of the world’s biggest healthy problems. It’s harmful to our health. When water from the rain and melting(融化) snow runs through roads, it picks up some dangerous chemicals and other things along the way. Many of the rivers are short of protections, so they are easy to be polluted by factories or animals’ waste.

World Water Day has grown to become one of the important dates since 1993. In 2013, World Water Day shares the topic of Water Cooperation. If everyone tries their best to save and protect the clean water, our living conditions will be much better.

根据短文内容，选择正确答案。

1.From the first paragraph, we know that people couldn’t live without _________.

A. fire????????????? B. water????????????? C. books????????????? D. language

2.Dirty water is ________ to our heath.

A. useful????????????? B. kind????????????? C. harmful????????????? D. cruel

3.Many of the rivers are easy to be polluted by __________.

A. schools????????????? B. factories or animals’ waste

C. fish????????????? D. human beings’ waste

4.What’s the topic of 2013 World Water Day?

A. Water and Food.????????????? B. City Water Protection.

C. Water Quality.????????????? D. Water Cooperation.

5.Which of the following is TRUE(对的)?

A. The clean water is enough in China.??????

B. We needn’t any clean water.

C. World Water Day started in 2013.????????

D. We should try our best to protect the clean water.

单词拼写：根据句子意思及首字母提示完成单词。

1.The weather is cold and _______________(干燥的).

2.I wash my _____________(脸) every day.

3.Shall we have fish i_____________ of meat today?

4.How can we p_______________ him to join us ?

5.These desks are made of w___________.

单词拼写：根据句子意思及首字母提示完成单词。
【小题1】The weather is cold and _______________(干燥的).
【小题2】I wash my _____________(脸) every day.
【小题3】Shall we have fish i_____________ of meat today?
【小题4】How can we p_______________ him to join us ?
【小题5】These desks are made of w___________.

What does blood do for us? It brings food to all parts of our bodies and takes waste away from them. All parts of our bodies are made of cells. These cells are very small. They all need all the time. No one could make pictures of cells because no one could see them.
What makes the blood move round the body? The heart is a pump. It pumps the blood and sends it round the body. The heart has rooms with doors between them. It pumps blood in and out through these doors by changing the size of the rooms so that the doors are opened and shut. The heart keeps a stream of blood going all around the body and back again to itself. The heart is a very important part of one's body. When it stops beating, one will die.
【小题1】Blood is important to our body because it can