细胞是物质、能量和信息的统一体，细胞的控制中心是

在甲型H1N1流感爆发期间，同学们都分期分批免费注射了甲流疫苗，注射的药物和预防措施、免疫类型分别是（    ）

生物圈中，____ 能够利用光能，合成____， 因此是生物圈中的____ ；____ 通过直接或者间接以绿色植物为食，属于生物圈中的____ ；腐生性微生物、真菌以及少部分动物能够分解动植物遗体和残渣，它们属于生物圈中的____ ．

根据短文意思及所给出的单词提示填空。

A. no longer    B. completely   C. compete    D. given up   E. encourage

   Though the sale of bottled water is still on the rise. Certain policy makers have taken steps to reduce it and ____ people to drink tap water. In September 2009, the Australian city of Bundanoon became the first city in the world to ____ stop bottled water from being sold in stores, building water fountains instead.

   Among the cities in America that have taken action are San Francisco and Seattle, which ____buy water for city use, and Chicago which adds a five-cent tax on each bottle. Several restaurants in those cities have also ____ bottled water for tap water. Other cities are also considering taking action.