精选优质文档-倾情为你奉上答案15 ABCAA 610 BCBBA 1115 BABAC 1620 BAAAB 2125 CACAA26-30ABCDC 31-35ABDCD 36-40 CADDB 41-45BADDA 46-50 CBDCC 51-55BBCDA 56-60ACDBC61. plans 62.12/twelve 63.plenty of/many/lots of/a lot of 64.shorts 65.eat66. by hand67. a dishwasher / a machine68. Here are the steps to create inventions.69. It is coming up with a problem and finding a solution./ Coming up with a problem and finding a solution.70.通过从不同的方面看待一个问题，你经常可以想出这个问题的解决方案。7
