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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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in that “因为，由于”，但过去正式，且慢慢被弃用。而从此题来看，in that仍旧能够使用，这点得改变自己的意识啊。
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