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标题: 问cr bible上的一个练习. 感觉英语白学了- - [打印本页]

作者: udsifhi 时间: 2015-3-3 23:16
标题: 问cr bible上的一个练习. 感觉英语白学了- -
虽然不是啥重要的题吧但是实在不问不能安心==
Is the argument strong or weak?
If Ameer is correct, either the midterm is cancelled or the final is cancelled. But
the professor said in class last week that she is considering cancelling both tests
and instead having students submit a term paper. Because the professor has final
authority over the class schedule and composition, Ameer is probably incorrect.
然后答案是这样子的：
The argument is weak. Ameer has asserted that at least one of the two tests will be
cancelled, and the professor is apparently considering cancelling both. No evidence is
presented to contradict Ameer’s assertion, so there is no reason to conclude that
Ameer is incorrect.
那个either or难道不是二选一的意思吗？可以表示at least?

作者: turbidtear 时间: 2015-3-20 16:27
二选一么必然有一个会被cancel...

"有一个被cancel"不是"至少有一个被cancel的子集"吗...

作者: udsifhi 时间: 2015-5-23 00:11

turbidtear 发表于 2015-3-20 16:27
二选一么必然有一个会被cancel...

"有一个被cancel"不是"至少有一个被cancel的子集"吗... ...

“两个都cancel”并不是“cancel二者之一”的子集呀

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