爱偷拍的豆腐魚 发表于 2017-1-26 01:10
请问D答案对the second分析错在哪里啦,傻傻看不懂
猪小王 发表于 2017-1-26 04:03
(D) The first provides support for the conclusion of the argument; the second calls that conclusion ...
HarrisZheng 发表于 2012-10-30 19:11
结论是Delta 公司换新技术省油,也就是第二句黑体的内容第一句+since后面那句话 是前提举个例子 : ...
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