Step 1　Read the text and answer the following questions.

　　1．Scan the text and choose the main idea for each part.

　　Part 1　　A．Ways to protect yourself.

　　Part 2 B．Some wrong statements about AIDS.

　　Part 3 C．Background information about HIV/AIDS.

　　答案：Part 1-C, Part 2-A, Part 3-B

　　2．The passage tells us about .

　　A．some common understanding of HIV/AIDS

　　B．scientists have found a cure for HIV/AIDS

　　C．ways to protect ourselves

　　D．the definition of HIV/AIDS and the warning to us

　　答案：D

　　Step 2　Choose the best answers according to the text.

　　1．You can get HIV through .

　　A．having meals with the patients with AIDS

　　B．kissing someone with AIDS

　　C．injecting drugs using the same needle

　　D．touching someone infected with HIV

　　2．We can infer from the passage that .

　　A．HIV is the same as AIDS

　　B．HIV is different from AIDS

　　C．HIV weakens a person's immune system

　　D．you can have HIV in your blood for quite a long time

　　3．In order to stay safe, you .

　　A．should not use the needle someone else has used

　　B．have to avoid using anything else that the person has used while injecting drugs

　　C．should use a condom if you have sex with another person

　　D．all of the above

　　4．The passage is a(n) .

　　A．advertisement　　　　　 B．story

　　C．poster D．news report

答案：1～4　CBDC