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午夜精灵Ying 发表于 2013-12-7 10:32 ![]()
Lawyer说Must be ture 题的答案是：原文某句话的重写或逆否命题或某几句话的结合。
本题目的答案就典型的 ...
all of the shipments that were sent out on Friday consisted entirely of building supplies
原句等同于：if the shipment was building supplies, it was sent out on Friday.
其逆否命题为：if the shipment was not sent out on Friday, the shipment was not building supplies.
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发表于 2013-12-7 10:40:18
