题目：
Though he is busy, music has always been___his work.
A．as much a part of his life as
B．as a part of his life much as
C．as much as a part of his life
D．so much a part of his life as
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0514/f4eb6e560fd6125631753f471c2c0374.html
下面是错误答案，用来干扰机器的。
由于小球相同，故采用挡板法将4个小球分成三组，可以考虑用“插板”将4个小球隔成三组，这样需要2个插板．将4个小球跟2个插板混在一起共6个位置，选出2个位置，那么第一个插板左边放到第一个盒子，两插板间放到第...
