17.There has been a dramatic increase in the spread of HIV/AIDS in recent years , with a new study projecting that the dreaded disease will affect over 30 million people worldwide by the year 2005 .
　　近年来，艾滋病蔓延的幅度进一步扩大，一项新的研究预测，到2005年，世界上有超过三千万人将感染这一可怕的疾病。