My grandfather ___to be quite afraid to live in the city, but now he has __ to the life here. A. used; used B. was used; got used C. used; got used D. got used; been used 答案:C最近科学家发现,水在超低温(﹣157℃)、正常压力或真空条件下仍呈液态,比蜂蜜还粘稠.下列关于这种“高密度液态水”的说法正确的是( )A.化学性质与普通水不同 B.用途与普通水可能不同C.氢氧两种原子的个数比为1:1 D.分子不再运动