問題詳情

35-36)Around, and around, and around again! Dogs will often circle the bed or carpet two or three times before curling(捲曲) upand going to sleep. Are they checking for bed bugs or snakes? Not necessarily(一定). Many times dogs are just flattening(弄平)out their beds to get comfortable. Actually, this behavior is a genetic(遺傳) trait(特徵) left over from when the dog’sancestors(祖先) used to dig their own shelters(隱藏處). After digging, the dogs would feel comfortable in their “dens” andplop(撲倒) down for some much needed shut-eye.
35. Why do dogs turn around before lying down?
(A) Because they look for animals.
(B) Because they want to find some food before sleeping.
(C) Because they are too bored.
(D) Because they try to make themselves comfortable.

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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