题目

DID you get a flu shot this year? For the first time, the Centers for Disease Control and Prevention in the US is recommending that all children aged from 6 months to 18 years receive the flu vaccine． Vaccines battle diseases caused by bacteria and viruses．A weakened form of the germ （微生物） is introduced into the body．The body makes special substances called antibodies to fight the germs．If the actual germs were to attack, the antibodies would fight it．    Because there are many kinds of flu viruses, scientists must create a new vaccine  formula （方程式） each year关于欧洲西部旅游景点的说法，正确的是（　　）A．英国的峡湾风光引人入胜B．伦敦的艾菲尔铁塔令人景仰C．南部地中海沿岸国家的海滨沙滩优美宜人D．芬兰的花卉尤其是郁金香闻名世界