【单选题】根据下列文章,请回答 16~22 题。 Flu Shots or Not ? It sounded like a good idea when New York City’s mayor,Rudollph Giuliani,advised New Yorkers recently to get a flu shot.After all,20,000 Americans each year die ...
【单选题】阅读材料,回答题: Flu Shots Or Not? It sounded like a good idea when New York City&39;s ~nayor, Rudollph Giuliani, advised New Yorkers recently to get a flu shot. After all,20,000 Americans each year die of i...