Dreams of finding lost treasure almost came true recently.A new machine called 'The Revealer' has been invented .Armed with the new machine,a search party went into the cave 为什么后面一句要用现在完成时,我觉得在这篇课本中这里

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Dreams of finding lost treasure almost came true recently.A new machine called 'The Revealer' has been invented .Armed with the new machine,a search party went into the cave 为什么后面一句要用现在完成时,我觉得在这篇课本中这里
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Dreams of finding lost treasure almost came true recently.A new machine called 'The Revealer' has been invented .Armed with the new machine,a search party went into the cave 为什么后面一句要用现在完成时,我觉得在这篇课本中这里
Dreams of finding lost treasure almost came true recently.A new machine called 'The Revealer' has been invented .Armed with the new machine,a search party went into the cave 为什么后面一句要用现在完成时,我觉得在这篇课本中这里应该用过去完成时.因为很明显这件事发生在过去.
我是指争对整篇课文,感觉应该用过去完成时比现在完成时要好一点.纠结

Dreams of finding lost treasure almost came true recently.A new machine called 'The Revealer' has been invented .Armed with the new machine,a search party went into the cave 为什么后面一句要用现在完成时,我觉得在这篇课本中这里
过去完成时是用于过去的过去,现在完成时是指过去发生的并对现在有影响.
过去的过去给你举个例子,
我昨天赶到巴士站时巴士已经开走了——The bus had gone when I got to the bus station.
整件事发生在过去,而巴士开走是在“我到达巴士站”这个相对于现在是过去的事还要之前的事,就是过去的过去,所以要用过去完成时.
新机器是在过去被发明并且现在也有影响,并不涉及过去的过去,所以不该用过去完成时.
不知道这么说,你明白了没= =