A:AB:AC =' 4' :1
B:t1 :t2 =' 4' :1
C:AB:AC = 2:1
D:t1:t2 =:1
填一填
____气爽 ____丰登 ____秋实
____为家 ____怪状 ____成阴
化学与生活密切相关,下列说法不正确的是( )