根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，并将该项填写在答题卡指定的位置。选项中有两项为多余选项。
71 We’ve worked to make their streets and their schools safer, to give them something positive to do after school and before their parents get home. We’ve worked to teach our children that drugs are dangerous, illegal and wrong.
Today, I want to talk to you about the historic opportunity we now have to protect our nation’s children from an even more deadly threat. 72 Smoking kills more people every day than AIDS, alcohol, car accidents, murders, drugs and fires combined. Nearly 90% of those smokers lit their first cigarette before they turned 18. consider this: 3,000 children start to smoke every day illegally,
