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题库 / Prep2007E2-SC-103
The parachutelike membranes of Africa's scaly-tailed flying squirrels differ from those of the flying squirrels in the family Sciuridae because they are attached to a cartilage rod at the elbow instead of the wrist.
because they are attached to a cartilage rod at the elbow instead of
because of being attached to a cartilage rod at the elbow rather than at
in their attachment to a cartilage rod at the elbow instead of being attached at
in that they are attached to a cartilage rod at the elbow rather than at
in their being attached to a cartilage rod at the elbow instead of
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选项A instead of at的at不能省；不能意思可以变成they are attached to the wrist.
选项B Because of being表达不简洁
选项C in their attachment to和being attached at形式不对称;being attached at the wrist改变句子愿意
选项D 正确
选项E 歧义风险同A
in that在gmat里相当于because，并且in that（because）+句子比较好，because of 只能加名词
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