45 the primary purpose of the passage is to
D outline several theories about a phenomenon and advocate one of it
我对于这个选项OG所给的官方解释不理解
官解：the use of phrase several theories is enough to make this inaccurate.two types of explanation are suggested :employee perference or employer interest.
是不是把several theories 改成 two theories就对了？还是two explanation？
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发表于 2014-6-3 18:01:22
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