中央电视台新闻报道：国家财政部设立专项基金20个亿（人民币），用于“非典型性肺炎”的防治工作，用科学记数法可表示为（　　）元．

A．0.2×10¹⁰

B．2×10⁹

C．2×10⁸

D．20×10⁷

It is easy for people to ______ the bad habits such as smoking and drinking, which are not so easy

to get rid of.   [ ]

A. look into

B. slide into

C. break into

D. knock into