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题库 / OG2016-SC-92
A proposal has been made to trim the horns from rhinoceroses to discourage poachers; the question is whether tourists will continue to visit game parks and see rhinoceroses after their horns are trimmed.
whether tourists will continue to visit game parks and see rhinoceroses after their horns are
whether tourists will continue to visit game parks to see one once their horns are
whether tourists will continue to visit game parks to see rhinoceroses once the animals' horns have been
if tourists will continue to visit game parks and see rhinoceroses once the animals' horns are
if tourists will continue to visit game parks to see one after the animals' horns have been
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表是否意思是有whether,便不用if.因为if作为连词有两个意思：是否和如果；而A选项中their指代不清，因为前句有很多复数名词
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