---I am crazy about chocolate.---_____. That’s probably why I am becoming fatter and fatter.A.So I amB.So am IC.So do I D.So I do 答案:B解析:so +主语+助动词,表示主语与上文将的主语为一致的,而so+助动词+主语,表示主语与上文不是一致的,根据句子的意思,可知答案为B
化简.(1)5x×2
(2)6m×3
(3)8a÷4
(4)3×15x
(5)5x×6+8
(6)9a÷3
(7)38x-2x×9
(8)3k×5+6k
(9)30m÷3+8m.