阿摩線上測驗
8. It is crucial for hikers to wear appropriate protective gear, such as insulated clothing and waterproof boots, to prevent frostbite on their________ .
(A) amputations
(B) extremities
(C) extensions
(D) accessories
(E) supplements
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統計： A(4), B(23), C(3), D(8), E(3) #3222656
統計： A(4), B(23), C(3), D(8), E(3) #3222656
