TEXT G

　　First read the following question
　　83. The passage discusses the aim of___.
　　A. the organization
　　B. blood centers in the USA
　　C. FDA new rules
　　D. AIDS prevention

　　Now, go through TEXT G quick and answer question 83.
　　The US Food and Drug Administration (FDA) is taking steps to protect the country’s blood supply. People give blood to the centers, where it is kept until it is needed for medical purposes. The FDA has provided new rules for the blood centers. The government agency says new rules are designed to improve the blood supply system. The new rules call for blood centers to develop more ways to make sure their work is done correctly. These rules are another way to help keep the blood supply pure. A leading concern is that someone with AIDS virus might give blood to a blood centre. For this reason, there are tests to find out if blood contains viruses that cause AIDS and other diseases