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题库 / Prep2007E1-SC-115
Many population studies have linked a high-salt diet to high rates of hypertension and shown that in societies where they consume little salt, their blood pressure typically does not rise with age.
shown that in societies where they consume little salt, their
shown that in societies that have consumed little salt, their
shown that in societies where little salt is consumed,
they showed that in societies where little salt is consumed,
they showed that in societies where they consume little salt, their
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and 可以连接两个不一样的时态，参见OG宇宙大爆炸那题
这里原句没有表达出，link和show有一前一后的顺序，从语义上推测也无法推测者二者需要一前一后发生
所以在时态上这二者需要平行
在origin sentence没有出现逻辑错误的情况下，需要遵循origin sentence的逻辑
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