Q1.When is the World Aids day? A. Dec. 21 B. Nov. 1 C. Dec. 1 D. Nov. 21 Q2.Roughly how many people worldwide are living with HIV ? A.about 10 million. B. about 20million C.about 30 million D. over 30 million Q3. Which region has most people living with HIV/ AIDS? A.Asia B. Europe C. USA D. Africa Q4.What does the Red Ribbon stand for? A. understanding and supporting B. loving and caring C. international symbol of HIV and AIDS Q5.Which people can’t be infected with HIV? A. Married man B. girls C. children D. no one