题目内容：

    Blood donation, also called blood banking, is a meaningful thing to do. It is an easy and direct way to contribute to social work and help the community. It helps to save lives and helps those who lose blood during operation or in accidents.     

You are able to give or donate blood every three or four months. It is a great way to make a big difference to someone's life and you can always be proud of it after making valuable contributions to society, Blood donation is not a big problem, but you need to keep a few points in mind.

Before donating blood, make sure that the ferrum (铁) level in your body is high enough and for that you should take a healthy diet. For making hemoglobin(血红蛋百) in your body up to standard. drink lots of juice and other drinks. Fruit juice, such as apple juice, is very good for increasing the blood level in your body. For a good blood flow in your body, drink at least 6~7 glasses of water every day. It's not wise to drink wine before or after giving blood. Do not smoke half an hour before giving blood.

When you are going for blood donation, be relaxed, which helps keep the right blood pressure. While donating blood, take a deep breath and try to calm yourself. Don't take part in some other activities.

Blood donation is a very simple and fast process, but you need to take care of yourself after donating blood. Proper care helps to reduce bad effects. The following are a few tips that will help you out.

Take a rest for 15 minutes after the donation. It helps you to relax yourself.

Make sure that you have meals after donating blood. Smoking shouldn't be allowed for one hour after the process. Don't do any activities right away, for example, driving.

Finally, be proud of yourself because you have done a great thing in helping to save someone's life. Blood donation is a very important activity.

Blood Donation ---- An important activity

The importance of blood donation	Contribute to social work and the community. Help those people who are facing the 1. of blood. Give yourself a sense of 2. after donating blood.
The 3. on blood donation	Before the donation	Take a healthy 4.for a high ferrum level. Drink fruit juice for enough hemoglobin. Drink at least 6--7 glasses of water daily for a good 5. of blood. 6. drinking wine and smoking.
7. the donation	Relax and breathe  8. Never join in other activities.
After the donation	Take a rest. Have meals. Don’t smoke 9. one hour later. Don’t join in some activities 10. driving at once.