It is unclear whether chimpanzees are unique among nonhuman species in their ability to learn behaviors from one another, or if, when other animals are studied in as much depth, similar patterns would be found.
if, when other animals are studied in as much depth, similar patterns would be found
if other animals were studied with as much depth they would exhibit similar patterns
would similar patterns be found in other animals if they were studied in as much depth
whether similar patterns would be exhibited in other animals that were studied with as much depth
whether other animals would exhibit similar patterns if they were studied in as much depth
看选项第一个单词,可以看成考固定搭配,or whether而不是0月if;同时,划线部分和未划线部分内容一致,需要考虑平行,讲话方式一致。
补充知识点:if只能表示“如果”,表达“是否”需用whether;when 不能引导条件状语从句。
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