Chemicals in the body our food into useful substance.
A. mix up
B. deal with
C. bring in
D. break down
网友回答
A. mix up
B. deal with
C. bring in
(答案→)D. break down
解析:短语辨析。 mix up 混淆; deal with 处理; bring in 引进,生产; break down分解,失败。句意:我们体内的化学物质把我们的食物分解有用的物质。故选D。